VB.Net by API/System.Windows.Forms/TreeView
Содержание
Inherits TreeView
<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Windows.Forms Imports System.ruponentModel Imports System.Drawing.Drawing2D Imports System.IO Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Private components As System.ruponentModel.IContainer
Friend WithEvents tree As JobTree
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.ruponents = New System.ruponentModel.Container()
Me.tree = New JobTree()
Me.SuspendLayout()
"
"tree
"
Me.tree.Location = New System.Drawing.Point(8, 8)
Me.tree.Name = "tree"
Me.tree.Scrollable = False
Me.tree.Size = New System.Drawing.Size(368, 288)
Me.tree.TabIndex = 0
"
"CustomJobUserTree
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
Me.ClientSize = New System.Drawing.Size(384, 310)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.tree})
Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Name = "CustomJobUserTree"
Me.Text = "JobUser Tree"
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub CustomJobUserTree_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
tree.AddJob("Job 1", JobTree.StatusType.InProgress)
tree.AddJob("Job 2", JobTree.StatusType.Unassigned)
tree.AddJob("Job 3", JobTree.StatusType.Unassigned)
tree.AddJob("Job 4", JobTree.StatusType.Closed)
tree.AddJob("Job 5", JobTree.StatusType.Closed)
End Sub
End Class Public Class JobTree
Inherits TreeView
Public Enum StatusType
Unassigned = 101
InProgress = 102
Closed = 103
End Enum
Private nodeUnassigned As New TreeNode("Unassigned", 0, 0)
Private nodeInProgress As New TreeNode("In Progress", 1, 1)
Private nodeClosed As New TreeNode("Closed", 2, 2)
Public Sub New()
MyBase.New()
MyBase.Nodes.Clear()
If Me.DesignMode = False Then
MyBase.Nodes.Add(nodeUnassigned)
MyBase.Nodes.Add(nodeInProgress)
MyBase.Nodes.Add(nodeClosed)
End If
End Sub
Public Sub AddJob(ByVal name As String, ByVal status As StatusType)
Dim nodeNew As New TreeNode(name, 3, 4)
nodeNew.Tag = status
Select Case status
Case StatusType.Unassigned
nodeUnassigned.Nodes.Add(nodeNew)
Case StatusType.InProgress
nodeInProgress.Nodes.Add(nodeNew)
Case StatusType.Closed
nodeClosed.Nodes.Add(nodeNew)
End Select
End Sub
End Class
</source>
TreeView.AfterSelect
<source lang="vbnet"> Imports System Imports System.Collections Imports System.Data Imports System.Drawing Imports System.Windows.Forms Imports System.ruponentModel Imports System.Drawing.Drawing2D Imports System.IO Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents treeFood As System.Windows.Forms.TreeView
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.treeFood = New System.Windows.Forms.TreeView()
Me.SuspendLayout()
"
"treeFood
"
Me.treeFood.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _
Or System.Windows.Forms.AnchorStyles.Left) _
Or System.Windows.Forms.AnchorStyles.Right)
Me.treeFood.ImageIndex = -1
Me.treeFood.Location = New System.Drawing.Point(4, 4)
Me.treeFood.Name = "treeFood"
Me.treeFood.SelectedImageIndex = -1
Me.treeFood.Size = New System.Drawing.Size(284, 256)
Me.treeFood.TabIndex = 0
"
"TreeViewExample
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
Me.ClientSize = New System.Drawing.Size(292, 266)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.treeFood})
Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Name = "TreeViewExample"
Me.Text = "TreeView Example"
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub TreeViewExample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim node As TreeNode
node = treeFood.Nodes.Add("Node")
node.Nodes.Add("Leap 1")
node.Nodes.Add("Leap 2")
node = treeFood.Nodes.Add("Node 2")
node.Nodes.Add("Leap 3")
node.Nodes.Add("Leap 4")
End Sub
Private Sub treeFood_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles treeFood.AfterSelect
If e.Action = TreeViewAction.ByMouse Then
MessageBox.Show(e.Node.FullPath)
End If
End Sub
End Class
</source>
TreeView.AllowDrop
<source lang="vbnet"> Imports System Imports System.Collections Imports System.Data Imports System.Drawing Imports System.Windows.Forms Imports System.ruponentModel Imports System.Drawing.Drawing2D Imports System.IO Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents treeOne As System.Windows.Forms.TreeView
Friend WithEvents Splitter1 As System.Windows.Forms.Splitter
Friend WithEvents treeTwo As System.Windows.Forms.TreeView
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.treeOne = New System.Windows.Forms.TreeView()
Me.Splitter1 = New System.Windows.Forms.Splitter()
Me.treeTwo = New System.Windows.Forms.TreeView()
Me.SuspendLayout()
"
"treeOne
"
Me.treeOne.Dock = System.Windows.Forms.DockStyle.Left
Me.treeOne.HideSelection = False
Me.treeOne.ImageIndex = -1
Me.treeOne.Location = New System.Drawing.Point(5, 5)
Me.treeOne.Name = "treeOne"
Me.treeOne.SelectedImageIndex = -1
Me.treeOne.Size = New System.Drawing.Size(236, 351)
Me.treeOne.TabIndex = 0
"
"Splitter1
"
Me.Splitter1.Location = New System.Drawing.Point(241, 5)
Me.Splitter1.Name = "Splitter1"
Me.Splitter1.Size = New System.Drawing.Size(3, 351)
Me.Splitter1.TabIndex = 2
Me.Splitter1.TabStop = False
"
"treeTwo
"
Me.treeTwo.Dock = System.Windows.Forms.DockStyle.Fill
Me.treeTwo.HideSelection = False
Me.treeTwo.ImageIndex = -1
Me.treeTwo.Location = New System.Drawing.Point(244, 5)
Me.treeTwo.Name = "treeTwo"
Me.treeTwo.SelectedImageIndex = -1
Me.treeTwo.Size = New System.Drawing.Size(271, 351)
Me.treeTwo.TabIndex = 3
"
"TreeViewExample
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
Me.ClientSize = New System.Drawing.Size(520, 366)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.treeTwo, Me.Splitter1, Me.treeOne})
Me.DockPadding.Bottom = 10
Me.DockPadding.Left = 5
Me.DockPadding.Right = 5
Me.DockPadding.Top = 5
Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Name = "TreeViewExample"
Me.Text = "TreeView Example"
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub TreeViewExample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim node As TreeNode
node = treeOne.Nodes.Add("Node 1")
node.Nodes.Add("Leap 1")
node.Nodes.Add("Leap 2")
node.Expand()
node = treeTwo.Nodes.Add("Node 2")
node.Nodes.Add("Leap 3")
node.Nodes.Add("Leap 4")
node.Expand()
treeTwo.AllowDrop = True
treeOne.AllowDrop = True
End Sub
Private Sub treeOne_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles treeOne.MouseDown, treeTwo.MouseDown
Dim tree As TreeView = CType(sender, TreeView)
Dim node As TreeNode
node = tree.GetNodeAt(e.X, e.Y)
tree.SelectedNode = node
If Not node Is Nothing Then
tree.DoDragDrop(node.Clone(), DragDropEffects.Copy)
End If
End Sub
Private Sub treeTwo_DragOver(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles treeOne.DragOver, treeTwo.DragOver
Dim tree As TreeView = CType(sender, TreeView)
e.Effect = DragDropEffects.None
If Not e.Data.GetData(GetType(TreeNode)) Is Nothing Then
Dim pt As New Point(e.X, e.Y)
pt = tree.PointToClient(pt)
Dim node As TreeNode = tree.GetNodeAt(pt)
If Not node Is Nothing Then
e.Effect = DragDropEffects.Copy
tree.SelectedNode = node
End If
End If
End Sub
Private Sub treeTwo_DragDrop(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles treeOne.DragDrop, treeTwo.DragDrop
Dim tree As TreeView = CType(sender, TreeView)
Dim pt As New Point(e.X, e.Y)
pt = tree.PointToClient(pt)
Dim node As TreeNode = tree.GetNodeAt(pt)
node.Nodes.Add(e.Data.GetData(GetType(TreeNode)))
node.Expand()
End Sub
End Class
</source>
TreeView.CheckBoxes
<source lang="vbnet"> Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class TreeViewSelectionCheckBoxes
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents TreeView1 As System.Windows.Forms.TreeView
Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
Friend WithEvents Button1 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.TreeView1 = New System.Windows.Forms.TreeView
Me.TextBox1 = New System.Windows.Forms.TextBox
Me.Button1 = New System.Windows.Forms.Button
Me.SuspendLayout()
"
"TreeView1
"
Me.TreeView1.ImageIndex = -1
Me.TreeView1.Location = New System.Drawing.Point(88, 64)
Me.TreeView1.Name = "TreeView1"
Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Root", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node 1", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node 2"), New System.Windows.Forms.TreeNode("Node 3")}), New System.Windows.Forms.TreeNode("Node 4", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node 5"), New System.Windows.Forms.TreeNode("Node 6")})})})
Me.TreeView1.SelectedImageIndex = -1
Me.TreeView1.Size = New System.Drawing.Size(121, 120)
Me.TreeView1.TabIndex = 0
"
"TextBox1
"
Me.TextBox1.Location = New System.Drawing.Point(88, 200)
Me.TextBox1.Name = "TextBox1"
Me.TextBox1.Size = New System.Drawing.Size(120, 20)
Me.TextBox1.TabIndex = 1
Me.TextBox1.Text = ""
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(88, 232)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(120, 23)
Me.Button1.TabIndex = 3
Me.Button1.Text = "Show Check Boxes"
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.TextBox1)
Me.Controls.Add(Me.TreeView1)
Me.Name = "Form1"
Me.Text = "Form1"
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelect
TextBox1.Text = e.Node.Text & " was selected."
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
TreeView1.CheckBoxes = True
End Sub
Private Sub TreeView1_AfterCheck(ByVal sender As Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterCheck
If e.Node.Checked Then
TextBox1.Text = e.Node.Text & " is checked."
Else
TextBox1.Text = e.Node.Text & " is not checked."
End If
End Sub
End Class
</source>
TreeView.DoDragDrop
<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Reflection Imports System.Windows.Forms public class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents ListBox1 As System.Windows.Forms.ListBox
Friend WithEvents TreeView1 As System.Windows.Forms.TreeView
Friend WithEvents DestinationTextBox As System.Windows.Forms.TextBox
Friend WithEvents SourceTextBox As System.Windows.Forms.TextBox
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.DestinationTextBox = New System.Windows.Forms.TextBox()
Me.SourceTextBox = New System.Windows.Forms.TextBox()
Me.ListBox1 = New System.Windows.Forms.ListBox()
Me.TreeView1 = New System.Windows.Forms.TreeView()
Me.SuspendLayout()
"
"DestinationTextBox
"
Me.DestinationTextBox.AllowDrop = True
Me.DestinationTextBox.Font = New System.Drawing.Font("Verdana", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.DestinationTextBox.Location = New System.Drawing.Point(4, 166)
Me.DestinationTextBox.Multiline = True
Me.DestinationTextBox.Name = "DestinationTextBox"
Me.DestinationTextBox.Size = New System.Drawing.Size(354, 195)
Me.DestinationTextBox.TabIndex = 1
Me.DestinationTextBox.Text = ""
"
"SourceTextBox
"
Me.SourceTextBox.Font = New System.Drawing.Font("Verdana", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.SourceTextBox.Location = New System.Drawing.Point(4, 4)
Me.SourceTextBox.Multiline = True
Me.SourceTextBox.Name = "SourceTextBox"
Me.SourceTextBox.ScrollBars = System.Windows.Forms.ScrollBars.Vertical
Me.SourceTextBox.Size = New System.Drawing.Size(354, 144)
Me.SourceTextBox.TabIndex = 2
Me.SourceTextBox.Text = "Use your right or left key to drag and drop item in left ListBox or Tree to the bottom TextBox."
"
"ListBox1
"
Me.ListBox1.Font = New System.Drawing.Font("Verdana", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.ListBox1.ItemHeight = 14
Me.ListBox1.Items.AddRange(New Object() {"Item 1", "Item 2", "Item 3", "Item 4", "Item 5", "Item 6", "Item 7", "Item 8", "Item 9", "Item 10", "Item 11", "Item 12", "Item 13", "Item 14", "Item 15"})
Me.ListBox1.Location = New System.Drawing.Point(370, 4)
Me.ListBox1.Name = "ListBox1"
Me.ListBox1.SelectionMode = System.Windows.Forms.SelectionMode.MultiExtended
Me.ListBox1.Size = New System.Drawing.Size(190, 144)
Me.ListBox1.TabIndex = 3
"
"TreeView1
"
Me.TreeView1.Font = New System.Drawing.Font("Verdana", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.TreeView1.ImageIndex = -1
Me.TreeView1.Location = New System.Drawing.Point(370, 166)
Me.TreeView1.Name = "TreeView1"
Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node0", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node1"), New System.Windows.Forms.TreeNode("Node12", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node13")}), New System.Windows.Forms.TreeNode("Node14"), New System.Windows.Forms.TreeNode("Node15", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node16"), New System.Windows.Forms.TreeNode("Node17")})}), New System.Windows.Forms.TreeNode("Node2", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node3", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node4"), New System.Windows.Forms.TreeNode("Node5"), New System.Windows.Forms.TreeNode("Node6")}), New System.Windows.Forms.TreeNode("Node7"), New System.Windows.Forms.TreeNode("Node8", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Node10"), New System.Windows.Forms.TreeNode("Node11")}), New System.Windows.Forms.TreeNode("Node9")})})
Me.TreeView1.SelectedImageIndex = -1
Me.TreeView1.Size = New System.Drawing.Size(187, 195)
Me.TreeView1.TabIndex = 4
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.AutoScroll = True
Me.ClientSize = New System.Drawing.Size(564, 367)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.TreeView1, Me.ListBox1, Me.SourceTextBox, Me.DestinationTextBox})
Me.Name = "Form1"
Me.Text = "Drag and Drop Demo"
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub Destination_DragDrop(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles DestinationTextBox.DragDrop
DestinationTextBox.Text = e.Data.GetData(DataFormats.Text).ToString
DestinationTextBox.BackColor = Color.White
End Sub
Private Sub Destination_DragEnter(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles DestinationTextBox.DragEnter
DestinationTextBox.BackColor = Color.Yellow
e.Effect = DragDropEffects.Copy
End Sub
Private Sub SourceTextBox_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles SourceTextBox.MouseDown
SourceTextBox.DoDragDrop(SourceTextBox.SelectedText, DragDropEffects.Copy Or DragDropEffects.Move)
End Sub
Private Sub ListBox1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles ListBox1.MouseDown
Dim i As Integer, selItems As String
For i = 0 To ListBox1.SelectedItems.Count - 1
selItems = selItems & ListBox1.SelectedItems.Item(i) & vbCrLf
Next
SourceTextBox.DoDragDrop(selItems, DragDropEffects.Copy Or DragDropEffects.Move)
End Sub
Private Sub Destination_DragLeave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DestinationTextBox.DragLeave
DestinationTextBox.BackColor = Color.White
End Sub
Private Sub TreeView1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles TreeView1.MouseDown
If e.Button = MouseButtons.Right Then
TreeView1.DoDragDrop(TreeView1.SelectedNode.Text, DragDropEffects.Copy Or DragDropEffects.Move)
End If
End Sub
End Class
</source>
TreeView.ExpandAll()
<source lang="vbnet">
Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Data.SqlClient
public class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim factory, group, person As TreeNode
" Create some nodes.
trvOrgChart.Nodes.Clear()
factory = trvOrgChart.Nodes.Add("f Name", "Name", 0, 0)
group = factory.Nodes.Add("g Dept 1", "Dept 2", 1, 1)
person = group.Nodes.Add("p Name 1", "Name 1", 2, 2)
person = group.Nodes.Add("p Name 2", "Name 2", 2, 2)
group = factory.Nodes.Add("g Dep 2", "Dep 2t", 1, 1)
person = group.Nodes.Add("p Name 1", "Name 1", 2, 2)
person = group.Nodes.Add("p Name 2", "Name 2", 2, 2)
factory = trvOrgChart.Nodes.Add( _
"f Dept 3", "Dept 3", 0, 0)
group = factory.Nodes.Add( _
"g Name 1", "Name 1", 1, 1)
person = group.Nodes.Add( _
"p Name 2", "Name 2", 2, 2)
person = group.Nodes.Add( _
"p Name 3", "Namr 3", 2, 2)
group = factory.Nodes.Add( _
"g Dep 5", "Dep 5", 1, 1)
person = group.Nodes.Add( _
"p Name 1", "Name 1", 2, 2)
person = group.Nodes.Add( _
"p Name 2", "Namr 2", 2, 2)
person = group.Nodes.Add( _
"p Name 3", "Name 3", 2, 2)
group = factory.Nodes.Add( _
"g Dept 10", "Dept 10", 1, 1)
person = group.Nodes.Add( _
"p Name 1", "Namr 1", 2, 2)
person = group.Nodes.Add( _
"p Namr 2", "Name 2", 2, 2)
trvOrgChart.ExpandAll()
trvOrgChart.Nodes(0).EnsureVisible()
End Sub
Private Sub trvOrgChart_BeforeLabelEdit(ByVal sender As Object, ByVal e As System.Windows.Forms.NodeLabelEditEventArgs) Handles trvOrgChart.BeforeLabelEdit
e.CancelEdit = (e.Node.FullPath.IndexOf(trvOrgChart.PathSeparator) = -1)
End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Dim TreeNode1 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Cameron, Charlie", 2, 5)
Dim TreeNode2 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Davos, Debbie", 2, 5)
Dim TreeNode3 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Engineering", 1, 4, New System.Windows.Forms.TreeNode() {TreeNode1, TreeNode2})
Dim TreeNode4 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Test", 1, 4)
Dim TreeNode5 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("R & D", 0, 3, New System.Windows.Forms.TreeNode() {TreeNode3, TreeNode4})
Me.trvOrgChart = New System.Windows.Forms.TreeView
Me.SuspendLayout()
"
"trvOrgChart
"
Me.trvOrgChart.Dock = System.Windows.Forms.DockStyle.Fill
Me.trvOrgChart.ImageIndex = 0
Me.trvOrgChart.LabelEdit = True
Me.trvOrgChart.Location = New System.Drawing.Point(0, 0)
Me.trvOrgChart.Name = "trvOrgChart"
TreeNode1.Name = "Node6"
TreeNode1.SelectedImageIndex = 5
TreeNode1.Text = "Cameron, Charlie"
TreeNode2.Name = "Node7"
TreeNode2.SelectedImageIndex = 5
TreeNode2.Text = "Davos, Debbie"
TreeNode3.ImageIndex = 1
TreeNode3.Name = "Node5"
TreeNode3.SelectedImageIndex = 4
TreeNode3.Text = "Engineering"
TreeNode4.ImageIndex = 1
TreeNode4.Name = "Node8"
TreeNode4.SelectedImageIndex = 4
TreeNode4.Text = "Test"
TreeNode5.ImageIndex = 0
TreeNode5.Name = "Node0"
TreeNode5.SelectedImageIndex = 3
TreeNode5.Text = "R & D"
Me.trvOrgChart.Nodes.AddRange(New System.Windows.Forms.TreeNode() {TreeNode5})
Me.trvOrgChart.SelectedImageIndex = 0
Me.trvOrgChart.Size = New System.Drawing.Size(292, 273)
Me.trvOrgChart.TabIndex = 1
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.Add(Me.trvOrgChart)
Me.Name = "Form1"
Me.Text = "UseTreeView"
Me.ResumeLayout(False)
End Sub
Friend WithEvents trvOrgChart As System.Windows.Forms.TreeView
End Class
</source>
TreeView.GetNodeAt
<source lang="vbnet">
Imports System Imports System.Collections Imports System.Data Imports System.Drawing Imports System.Windows.Forms Imports System.ruponentModel Imports System.Drawing.Drawing2D Imports System.IO Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents treeOne As System.Windows.Forms.TreeView
Friend WithEvents Splitter1 As System.Windows.Forms.Splitter
Friend WithEvents treeTwo As System.Windows.Forms.TreeView
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.treeOne = New System.Windows.Forms.TreeView()
Me.Splitter1 = New System.Windows.Forms.Splitter()
Me.treeTwo = New System.Windows.Forms.TreeView()
Me.SuspendLayout()
"
"treeOne
"
Me.treeOne.Dock = System.Windows.Forms.DockStyle.Left
Me.treeOne.HideSelection = False
Me.treeOne.ImageIndex = -1
Me.treeOne.Location = New System.Drawing.Point(5, 5)
Me.treeOne.Name = "treeOne"
Me.treeOne.SelectedImageIndex = -1
Me.treeOne.Size = New System.Drawing.Size(236, 351)
Me.treeOne.TabIndex = 0
"
"Splitter1
"
Me.Splitter1.Location = New System.Drawing.Point(241, 5)
Me.Splitter1.Name = "Splitter1"
Me.Splitter1.Size = New System.Drawing.Size(3, 351)
Me.Splitter1.TabIndex = 2
Me.Splitter1.TabStop = False
"
"treeTwo
"
Me.treeTwo.Dock = System.Windows.Forms.DockStyle.Fill
Me.treeTwo.HideSelection = False
Me.treeTwo.ImageIndex = -1
Me.treeTwo.Location = New System.Drawing.Point(244, 5)
Me.treeTwo.Name = "treeTwo"
Me.treeTwo.SelectedImageIndex = -1
Me.treeTwo.Size = New System.Drawing.Size(271, 351)
Me.treeTwo.TabIndex = 3
"
"TreeViewExample
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
Me.ClientSize = New System.Drawing.Size(520, 366)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.treeTwo, Me.Splitter1, Me.treeOne})
Me.DockPadding.Bottom = 10
Me.DockPadding.Left = 5
Me.DockPadding.Right = 5
Me.DockPadding.Top = 5
Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Name = "TreeViewExample"
Me.Text = "TreeView Example"
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub TreeViewExample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim node As TreeNode
node = treeOne.Nodes.Add("Node 1")
node.Nodes.Add("Leap 1")
node.Nodes.Add("Leap 2")
node.Expand()
node = treeTwo.Nodes.Add("Node 2")
node.Nodes.Add("Leap 3")
node.Nodes.Add("Leap 4")
node.Expand()
treeTwo.AllowDrop = True
treeOne.AllowDrop = True
End Sub
Private Sub treeOne_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles treeOne.MouseDown, treeTwo.MouseDown
Dim tree As TreeView = CType(sender, TreeView)
Dim node As TreeNode
node = tree.GetNodeAt(e.X, e.Y)
tree.SelectedNode = node
If Not node Is Nothing Then
tree.DoDragDrop(node.Clone(), DragDropEffects.Copy)
End If
End Sub
Private Sub treeTwo_DragOver(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles treeOne.DragOver, treeTwo.DragOver
Dim tree As TreeView = CType(sender, TreeView)
e.Effect = DragDropEffects.None
If Not e.Data.GetData(GetType(TreeNode)) Is Nothing Then
Dim pt As New Point(e.X, e.Y)
pt = tree.PointToClient(pt)
Dim node As TreeNode = tree.GetNodeAt(pt)
If Not node Is Nothing Then
e.Effect = DragDropEffects.Copy
tree.SelectedNode = node
End If
End If
End Sub
Private Sub treeTwo_DragDrop(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles treeOne.DragDrop, treeTwo.DragDrop
Dim tree As TreeView = CType(sender, TreeView)
Dim pt As New Point(e.X, e.Y)
pt = tree.PointToClient(pt)
Dim node As TreeNode = tree.GetNodeAt(pt)
node.Nodes.Add(e.Data.GetData(GetType(TreeNode)))
node.Expand()
End Sub
End Class
</source>
TreeView.Nodes
<source lang="vbnet">
Imports System Imports System.Data Imports System.Windows.Forms Imports System.Drawing Imports System.Data.SqlClient public class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim factory, group, person As TreeNode
" Create some nodes.
trvOrgChart.Nodes.Clear()
factory = trvOrgChart.Nodes.Add("f Name", "Name", 0, 0)
group = factory.Nodes.Add("g Dept 1", "Dept 2", 1, 1)
person = group.Nodes.Add("p Name 1", "Name 1", 2, 2)
person = group.Nodes.Add("p Name 2", "Name 2", 2, 2)
group = factory.Nodes.Add("g Dep 2", "Dep 2t", 1, 1)
person = group.Nodes.Add("p Name 1", "Name 1", 2, 2)
person = group.Nodes.Add("p Name 2", "Name 2", 2, 2)
factory = trvOrgChart.Nodes.Add( _
"f Dept 3", "Dept 3", 0, 0)
group = factory.Nodes.Add( _
"g Name 1", "Name 1", 1, 1)
person = group.Nodes.Add( _
"p Name 2", "Name 2", 2, 2)
person = group.Nodes.Add( _
"p Name 3", "Namr 3", 2, 2)
group = factory.Nodes.Add( _
"g Dep 5", "Dep 5", 1, 1)
person = group.Nodes.Add( _
"p Name 1", "Name 1", 2, 2)
person = group.Nodes.Add( _
"p Name 2", "Namr 2", 2, 2)
person = group.Nodes.Add( _
"p Name 3", "Name 3", 2, 2)
group = factory.Nodes.Add( _
"g Dept 10", "Dept 10", 1, 1)
person = group.Nodes.Add( _
"p Name 1", "Namr 1", 2, 2)
person = group.Nodes.Add( _
"p Namr 2", "Name 2", 2, 2)
trvOrgChart.ExpandAll()
trvOrgChart.Nodes(0).EnsureVisible()
End Sub
Private Sub trvOrgChart_BeforeLabelEdit(ByVal sender As Object, ByVal e As System.Windows.Forms.NodeLabelEditEventArgs) Handles trvOrgChart.BeforeLabelEdit
e.CancelEdit = (e.Node.FullPath.IndexOf(trvOrgChart.PathSeparator) = -1)
End Sub
End Class
<Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Public Class Form1
Inherits System.Windows.Forms.Form
"Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
<System.Diagnostics.DebuggerStepThrough()> _
Private Sub InitializeComponent()
Dim TreeNode1 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Cameron, Charlie", 2, 5)
Dim TreeNode2 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Davos, Debbie", 2, 5)
Dim TreeNode3 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Engineering", 1, 4, New System.Windows.Forms.TreeNode() {TreeNode1, TreeNode2})
Dim TreeNode4 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("Test", 1, 4)
Dim TreeNode5 As System.Windows.Forms.TreeNode = New System.Windows.Forms.TreeNode("R & D", 0, 3, New System.Windows.Forms.TreeNode() {TreeNode3, TreeNode4})
Me.trvOrgChart = New System.Windows.Forms.TreeView
Me.SuspendLayout()
"
"trvOrgChart
"
Me.trvOrgChart.Dock = System.Windows.Forms.DockStyle.Fill
Me.trvOrgChart.ImageIndex = 0
Me.trvOrgChart.LabelEdit = True
Me.trvOrgChart.Location = New System.Drawing.Point(0, 0)
Me.trvOrgChart.Name = "trvOrgChart"
TreeNode1.Name = "Node6"
TreeNode1.SelectedImageIndex = 5
TreeNode1.Text = "Cameron, Charlie"
TreeNode2.Name = "Node7"
TreeNode2.SelectedImageIndex = 5
TreeNode2.Text = "Davos, Debbie"
TreeNode3.ImageIndex = 1
TreeNode3.Name = "Node5"
TreeNode3.SelectedImageIndex = 4
TreeNode3.Text = "Engineering"
TreeNode4.ImageIndex = 1
TreeNode4.Name = "Node8"
TreeNode4.SelectedImageIndex = 4
TreeNode4.Text = "Test"
TreeNode5.ImageIndex = 0
TreeNode5.Name = "Node0"
TreeNode5.SelectedImageIndex = 3
TreeNode5.Text = "R & D"
Me.trvOrgChart.Nodes.AddRange(New System.Windows.Forms.TreeNode() {TreeNode5})
Me.trvOrgChart.SelectedImageIndex = 0
Me.trvOrgChart.Size = New System.Drawing.Size(292, 273)
Me.trvOrgChart.TabIndex = 1
"
"Form1
"
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(292, 273)
Me.Controls.Add(Me.trvOrgChart)
Me.Name = "Form1"
Me.Text = "UseTreeView"
Me.ResumeLayout(False)
End Sub
Friend WithEvents trvOrgChart As System.Windows.Forms.TreeView
End Class
</source>
TreeView.PointToClient
<source lang="vbnet"> Imports System Imports System.Collections Imports System.Data Imports System.Drawing Imports System.Windows.Forms Imports System.ruponentModel Imports System.Drawing.Drawing2D Imports System.IO Public Class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Inherits System.Windows.Forms.Form
- Region " Windows Form Designer generated code "
Public Sub New()
MyBase.New()
"This call is required by the Windows Form Designer.
InitializeComponent()
"Add any initialization after the InitializeComponent() call
End Sub
"Form overrides dispose to clean up the component list.
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
"Required by the Windows Form Designer
Private components As System.ruponentModel.IContainer
"NOTE: The following procedure is required by the Windows Form Designer
"It can be modified using the Windows Form Designer.
"Do not modify it using the code editor.
Friend WithEvents treeOne As System.Windows.Forms.TreeView
Friend WithEvents Splitter1 As System.Windows.Forms.Splitter
Friend WithEvents treeTwo As System.Windows.Forms.TreeView
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.treeOne = New System.Windows.Forms.TreeView()
Me.Splitter1 = New System.Windows.Forms.Splitter()
Me.treeTwo = New System.Windows.Forms.TreeView()
Me.SuspendLayout()
"
"treeOne
"
Me.treeOne.Dock = System.Windows.Forms.DockStyle.Left
Me.treeOne.HideSelection = False
Me.treeOne.ImageIndex = -1
Me.treeOne.Location = New System.Drawing.Point(5, 5)
Me.treeOne.Name = "treeOne"
Me.treeOne.SelectedImageIndex = -1
Me.treeOne.Size = New System.Drawing.Size(236, 351)
Me.treeOne.TabIndex = 0
"
"Splitter1
"
Me.Splitter1.Location = New System.Drawing.Point(241, 5)
Me.Splitter1.Name = "Splitter1"
Me.Splitter1.Size = New System.Drawing.Size(3, 351)
Me.Splitter1.TabIndex = 2
Me.Splitter1.TabStop = False
"
"treeTwo
"
Me.treeTwo.Dock = System.Windows.Forms.DockStyle.Fill
Me.treeTwo.HideSelection = False
Me.treeTwo.ImageIndex = -1
Me.treeTwo.Location = New System.Drawing.Point(244, 5)
Me.treeTwo.Name = "treeTwo"
Me.treeTwo.SelectedImageIndex = -1
Me.treeTwo.Size = New System.Drawing.Size(271, 351)
Me.treeTwo.TabIndex = 3
"
"TreeViewExample
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
Me.ClientSize = New System.Drawing.Size(520, 366)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.treeTwo, Me.Splitter1, Me.treeOne})
Me.DockPadding.Bottom = 10
Me.DockPadding.Left = 5
Me.DockPadding.Right = 5
Me.DockPadding.Top = 5
Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
Me.Name = "TreeViewExample"
Me.Text = "TreeView Example"
Me.ResumeLayout(False)
End Sub
- End Region
Private Sub TreeViewExample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim node As TreeNode
node = treeOne.Nodes.Add("Node 1")
node.Nodes.Add("Leap 1")
node.Nodes.Add("Leap 2")
node.Expand()
node = treeTwo.Nodes.Add("Node 2")
node.Nodes.Add("Leap 3")
node.Nodes.Add("Leap 4")
node.Expand()
treeTwo.AllowDrop = True
treeOne.AllowDrop = True
End Sub
Private Sub treeOne_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles treeOne.MouseDown, treeTwo.MouseDown
Dim tree As TreeView = CType(sender, TreeView)
Dim node As TreeNode
node = tree.GetNodeAt(e.X, e.Y)
tree.SelectedNode = node
If Not node Is Nothing Then
tree.DoDragDrop(node.Clone(), DragDropEffects.Copy)
End If
End Sub
Private Sub treeTwo_DragOver(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles treeOne.DragOver, treeTwo.DragOver
Dim tree As TreeView = CType(sender, TreeView)
e.Effect = DragDropEffects.None
If Not e.Data.GetData(GetType(TreeNode)) Is Nothing Then
Dim pt As New Point(e.X, e.Y)
pt = tree.PointToClient(pt)
Dim node As TreeNode = tree.GetNodeAt(pt)
If Not node Is Nothing Then
e.Effect = DragDropEffects.Copy
tree.SelectedNode = node
End If
End If
End Sub
Private Sub treeTwo_DragDrop(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles treeOne.DragDrop, treeTwo.DragDrop
Dim tree As TreeView = CType(sender, TreeView)
Dim pt As New Point(e.X, e.Y)
pt = tree.PointToClient(pt)
Dim node As TreeNode = tree.GetNodeAt(pt)
node.Nodes.Add(e.Data.GetData(GetType(TreeNode)))
node.Expand()
End Sub
End Class
</source>
TreeView.SelectedNode
<source lang="vbnet"> Imports System.Windows.Forms public class TreeViewAddDeleteItem
public Shared Sub Main
Application.Run(New Form1)
End Sub
End class Public Class Form1
Inherits System.Windows.Forms.Form
Public Sub New()
MyBase.New()
InitializeComponent()
End Sub
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing Then
If Not (components Is Nothing) Then
components.Dispose()
End If
End If
MyBase.Dispose(disposing)
End Sub
Private components As System.ruponentModel.IContainer
Friend WithEvents TreeView1 As System.Windows.Forms.TreeView
Friend WithEvents Button1 As System.Windows.Forms.Button
Friend WithEvents Button2 As System.Windows.Forms.Button
<System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
Me.TreeView1 = New System.Windows.Forms.TreeView
Me.Button1 = New System.Windows.Forms.Button
Me.Button2 = New System.Windows.Forms.Button
Me.SuspendLayout()
"
"TreeView1
"
Me.TreeView1.ImageIndex = -1
Me.TreeView1.Location = New System.Drawing.Point(48, 16)
Me.TreeView1.Name = "TreeView1"
Me.TreeView1.Nodes.AddRange(New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("a", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("Visual Basic"), New System.Windows.Forms.TreeNode("Visual C++"), New System.Windows.Forms.TreeNode("Delphi"), New System.Windows.Forms.TreeNode("Java")}), New System.Windows.Forms.TreeNode("B", New System.Windows.Forms.TreeNode() {New System.Windows.Forms.TreeNode("B1"), New System.Windows.Forms.TreeNode("B2"), New System.Windows.Forms.TreeNode("B3"), New System.Windows.Forms.TreeNode("B4")})})
Me.TreeView1.SelectedImageIndex = -1
Me.TreeView1.Size = New System.Drawing.Size(200, 168)
Me.TreeView1.TabIndex = 0
"
"Button1
"
Me.Button1.Location = New System.Drawing.Point(48, 200)
Me.Button1.Name = "Button1"
Me.Button1.Size = New System.Drawing.Size(80, 24)
Me.Button1.TabIndex = 1
Me.Button1.Text = "Add"
"
"Button2
"
Me.Button2.Location = New System.Drawing.Point(176, 200)
Me.Button2.Name = "Button2"
Me.Button2.Size = New System.Drawing.Size(80, 24)
Me.Button2.TabIndex = 2
Me.Button2.Text = "Delete"
"
"Form1
"
Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
Me.ClientSize = New System.Drawing.Size(292, 238)
Me.Controls.Add(Me.Button2)
Me.Controls.Add(Me.Button1)
Me.Controls.Add(Me.TreeView1)
Me.ResumeLayout(False)
End Sub
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Dim str As New TreeNode
TreeView1.SelectedNode.Nodes.Add("New")
End Sub
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
TreeView1.Nodes.Remove(TreeView1.SelectedNode)
End Sub
End Class
</source>
