VB.Net Tutorial/GUI/Splitter — различия между версиями

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Текущая версия на 15:57, 26 мая 2010

Splitter Control

<source lang="vbnet">Imports System.Windows.Forms public class SplitterControl

  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 Splitter1 As System.Windows.Forms.Splitter
   Friend WithEvents TreeView1 As System.Windows.Forms.TreeView
   Friend WithEvents ImageList1 As System.Windows.Forms.ImageList
   Friend WithEvents Splitter2 As System.Windows.Forms.Splitter
   Friend WithEvents Panel1 As System.Windows.Forms.Panel
   Friend WithEvents Label1 As System.Windows.Forms.Label
   Friend WithEvents Splitter3 As System.Windows.Forms.Splitter
   Friend WithEvents ListView1 As System.Windows.Forms.ListView
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.ruponents = New System.ruponentModel.Container
       Me.Splitter1 = New System.Windows.Forms.Splitter
       Me.TreeView1 = New System.Windows.Forms.TreeView
       Me.ImageList1 = New System.Windows.Forms.ImageList(Me.ruponents)
       Me.Splitter2 = New System.Windows.Forms.Splitter
       Me.Panel1 = New System.Windows.Forms.Panel
       Me.Label1 = New System.Windows.Forms.Label
       Me.Splitter3 = New System.Windows.Forms.Splitter
       Me.ListView1 = New System.Windows.Forms.ListView
       Me.Panel1.SuspendLayout()
       Me.SuspendLayout()
       "
       "Splitter1
       "
       Me.Splitter1.Location = New System.Drawing.Point(0, 0)
       Me.Splitter1.Name = "Splitter1"
       Me.Splitter1.Size = New System.Drawing.Size(3, 266)
       Me.Splitter1.TabIndex = 0
       Me.Splitter1.TabStop = False
       "
       "TreeView1
       "
       Me.TreeView1.Dock = System.Windows.Forms.DockStyle.Left
       Me.TreeView1.Location = New System.Drawing.Point(3, 0)
       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("1"), New System.Windows.Forms.TreeNode("2"), New System.Windows.Forms.TreeNode("3"), New System.Windows.Forms.TreeNode("4")})})
       Me.TreeView1.Size = New System.Drawing.Size(101, 266)
       Me.TreeView1.TabIndex = 1
       "
       "Splitter2
       "
       Me.Splitter2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
       Me.Splitter2.Location = New System.Drawing.Point(104, 0)
       Me.Splitter2.Name = "Splitter2"
       Me.Splitter2.Size = New System.Drawing.Size(8, 266)
       Me.Splitter2.TabIndex = 2
       Me.Splitter2.TabStop = False
       "
       "Panel1
       "
       Me.Panel1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
       Me.Panel1.Controls.Add(Me.ListView1)
       Me.Panel1.Controls.Add(Me.Splitter3)
       Me.Panel1.Controls.Add(Me.Label1)
       Me.Panel1.Dock = System.Windows.Forms.DockStyle.Top
       Me.Panel1.Location = New System.Drawing.Point(112, 0)
       Me.Panel1.Name = "Panel1"
       Me.Panel1.Size = New System.Drawing.Size(248, 264)
       Me.Panel1.TabIndex = 3
       "
       "Label1
       "
       Me.Label1.Dock = System.Windows.Forms.DockStyle.Top
       Me.Label1.Location = New System.Drawing.Point(0, 0)
       Me.Label1.Name = "Label1"
       Me.Label1.Size = New System.Drawing.Size(244, 32)
       Me.Label1.TabIndex = 0
       Me.Label1.Text = "Label1"
       "
       "Splitter3
       "
       Me.Splitter3.Dock = System.Windows.Forms.DockStyle.Top
       Me.Splitter3.Location = New System.Drawing.Point(0, 32)
       Me.Splitter3.Name = "Splitter3"
       Me.Splitter3.Size = New System.Drawing.Size(244, 8)
       Me.Splitter3.TabIndex = 1
       Me.Splitter3.TabStop = False
       "
       "ListView1
       "
       Me.ListView1.Dock = System.Windows.Forms.DockStyle.Fill
       Me.ListView1.Location = New System.Drawing.Point(0, 40)
       Me.ListView1.Name = "ListView1"
       Me.ListView1.Size = New System.Drawing.Size(244, 220)
       Me.ListView1.TabIndex = 2
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(360, 266)
       Me.Controls.Add(Me.Panel1)
       Me.Controls.Add(Me.Splitter2)
       Me.Controls.Add(Me.TreeView1)
       Me.Controls.Add(Me.Splitter1)
       Me.Panel1.ResumeLayout(False)
       Me.ResumeLayout(False)
   End Sub
   Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelect
       Dim childnum, index, i As Int32
       childnum = TreeView1.SelectedNode.GetNodeCount(False)
       index = TreeView1.SelectedNode.Index
       index = index + 1
       ListView1.Items.Clear()
       For i = 0 To childnum - 1
           ListView1.Items.Add(index.ToString + "." + i.ToString, 1)
       Next
       Label1.Text = TreeView1.SelectedNode.FullPath
   End Sub

End Class</source>

Use Spliter

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class UseSpliter

  public Shared Sub Main
       Application.Run(New frmMultipane)
  End Sub

End class Public Class frmMultipane

   Inherits System.Windows.Forms.Form
  1. 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 Splitter1 As System.Windows.Forms.Splitter
   Friend WithEvents Panel1 As System.Windows.Forms.Panel
   Friend WithEvents ListView1 As System.Windows.Forms.ListView
   Friend WithEvents ImageList1 As System.Windows.Forms.ImageList
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.ruponents = New System.ruponentModel.Container()
       Me.TreeView1 = New System.Windows.Forms.TreeView()
       Me.Splitter1 = New System.Windows.Forms.Splitter()
       Me.Panel1 = New System.Windows.Forms.Panel()
       Me.ListView1 = New System.Windows.Forms.ListView()
       Me.Panel1.SuspendLayout()
       Me.SuspendLayout()
       "
       "TreeView1
       "
       Me.TreeView1.Dock = System.Windows.Forms.DockStyle.Left
       Me.TreeView1.Name = "TreeView1"
       Me.TreeView1.SelectedImageIndex = -1
       Me.TreeView1.Size = New System.Drawing.Size(200, 221)
       Me.TreeView1.TabIndex = 0
       "
       "Splitter1
       "
       Me.Splitter1.Location = New System.Drawing.Point(200, 0)
       Me.Splitter1.Name = "Splitter1"
       Me.Splitter1.Size = New System.Drawing.Size(8, 221)
       Me.Splitter1.TabIndex = 1
       Me.Splitter1.TabStop = False
       "
       "Panel1
       "
       Me.Panel1.Controls.AddRange(New System.Windows.Forms.Control() {Me.ListView1})
       Me.Panel1.Dock = System.Windows.Forms.DockStyle.Fill
       Me.Panel1.Location = New System.Drawing.Point(208, 0)
       Me.Panel1.Name = "Panel1"
       Me.Panel1.Size = New System.Drawing.Size(192, 221)
       Me.Panel1.TabIndex = 2
       "
       "ListView1
       "
       Me.ListView1.Dock = System.Windows.Forms.DockStyle.Fill
       Me.ListView1.Name = "ListView1"
       Me.ListView1.Size = New System.Drawing.Size(192, 221)
       Me.ListView1.TabIndex = 0
       "
       "frmMultipane
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(400, 221)
       Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.Panel1, Me.Splitter1, Me.TreeView1})
       Me.Name = "frmMultipane"
       Me.Text = "Multi-Pane Example"
       Me.Panel1.ResumeLayout(False)
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub Form1_Load(ByVal sender As Object, ByVal e As System.EventArgs) _
   Handles MyBase.Load
       TreeView1.ShowPlusMinus = True
       TreeView1.Sorted = True
       TreeView1.ShowLines = True
       Dim aNode As New TreeNode("c:\")
       aNode.Tag = "c:\"
       TreeView1.Nodes.Add(aNode)
   End Sub
   Private Sub getDirs(ByVal sender As Object, ByVal e As TreeViewEventArgs)Handles TreeView1.AfterSelect
       If Not e.Node.Nodes.Count = 0 Then Exit Sub
       Dim directory As New System.IO.DirectoryInfo(e.Node.Tag.ToString())
       getFiles(directory)
       Dim directories As System.IO.DirectoryInfo()
       directories = directory.GetDirectories()
       For Each directory In directories
           Dim aTreenode As New TreeNode(directory.Name)
           aTreenode.Tag = directory.FullName
           e.Node.Nodes.Add(aTreenode)
       Next
       e.Node.Expand()
   End Sub
   
   Sub getFiles(ByVal directory As System.IO.DirectoryInfo)
       ListView1.Columns.Clear()
       ListView1.Items.Clear()
       ListView1.View = View.Details
       ListView1.Columns.Add("Filename", 100, HorizontalAlignment.Left)
       ListView1.Columns.Add("Extension", 50, HorizontalAlignment.Left)
       ListView1.Columns.Add("Bytes", 50, HorizontalAlignment.Right)
       Dim files() As System.IO.FileInfo = directory.GetFiles
       Dim file As System.IO.FileInfo
       For Each file In files
           Dim li As New ListViewItem(file.Name)
           li.SubItems.Add(file.Extension)
           li.SubItems.Add(file.Length)
           ListView1.Items.Add(li)
       Next
   End Sub

End Class</source>