VB.Net by API/System.Windows.Forms/ListViewItem — различия между версиями

Материал из VB Эксперт
Перейти к: навигация, поиск
м (1 версия)
 
(нет различий)

Текущая версия на 12:52, 26 мая 2010

ListViewItem.ImageIndex

  
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
    Friend WithEvents cmdFillList As System.Windows.Forms.Button
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents optSmallIcon As System.Windows.Forms.RadioButton
    Friend WithEvents optLargeIcon As System.Windows.Forms.RadioButton
    Friend WithEvents optDetails As System.Windows.Forms.RadioButton
    Friend WithEvents optList As System.Windows.Forms.RadioButton
    Friend WithEvents listAuthors As System.Windows.Forms.ListView
    Private components As System.ruponentModel.IContainer
    "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.
    <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
        Me.ruponents = New System.ruponentModel.Container()
        Me.GroupBox1 = New System.Windows.Forms.GroupBox()
        Me.optLargeIcon = New System.Windows.Forms.RadioButton()
        Me.optList = New System.Windows.Forms.RadioButton()
        Me.optDetails = New System.Windows.Forms.RadioButton()
        Me.optSmallIcon = New System.Windows.Forms.RadioButton()
        Me.listAuthors = New System.Windows.Forms.ListView()
        Me.cmdFillList = New System.Windows.Forms.Button()
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        "
        "GroupBox1
        "
        Me.GroupBox1.Anchor = (System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right)
        Me.GroupBox1.Controls.AddRange(New System.Windows.Forms.Control() {Me.optLargeIcon, Me.optList, Me.optDetails, Me.optSmallIcon})
        Me.GroupBox1.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.GroupBox1.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.GroupBox1.Location = New System.Drawing.Point(276, 12)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(104, 132)
        Me.GroupBox1.TabIndex = 2
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "View"
        "
        "optLargeIcon
        "
        Me.optLargeIcon.Checked = True
        Me.optLargeIcon.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optLargeIcon.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optLargeIcon.Location = New System.Drawing.Point(16, 48)
        Me.optLargeIcon.Name = "optLargeIcon"
        Me.optLargeIcon.Size = New System.Drawing.Size(76, 16)
        Me.optLargeIcon.TabIndex = 0
        Me.optLargeIcon.TabStop = True
        Me.optLargeIcon.Text = "LargeIcon"
        "
        "optList
        "
        Me.optList.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optList.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optList.Location = New System.Drawing.Point(16, 96)
        Me.optList.Name = "optList"
        Me.optList.Size = New System.Drawing.Size(56, 16)
        Me.optList.TabIndex = 0
        Me.optList.Text = "List"
        "
        "optDetails
        "
        Me.optDetails.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optDetails.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optDetails.Location = New System.Drawing.Point(16, 72)
        Me.optDetails.Name = "optDetails"
        Me.optDetails.Size = New System.Drawing.Size(72, 16)
        Me.optDetails.TabIndex = 0
        Me.optDetails.Text = "Details"
        "
        "optSmallIcon
        "
        Me.optSmallIcon.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.optSmallIcon.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.optSmallIcon.Location = New System.Drawing.Point(16, 24)
        Me.optSmallIcon.Name = "optSmallIcon"
        Me.optSmallIcon.Size = New System.Drawing.Size(72, 16)
        Me.optSmallIcon.TabIndex = 0
        Me.optSmallIcon.Text = "SmallIcon"
        "
        "listAuthors
        "
        Me.listAuthors.Activation = System.Windows.Forms.ItemActivation.OneClick
        Me.listAuthors.AllowColumnReorder = True
        Me.listAuthors.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.listAuthors.GridLines = True
        Me.listAuthors.HoverSelection = True
        Me.listAuthors.Location = New System.Drawing.Point(8, 8)
        Me.listAuthors.Name = "listAuthors"
        Me.listAuthors.Size = New System.Drawing.Size(260, 332)
        Me.listAuthors.Sorting = System.Windows.Forms.SortOrder.Ascending
        Me.listAuthors.TabIndex = 0
        "
        "cmdFillList
        "
        Me.cmdFillList.Anchor = (System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Right)
        Me.cmdFillList.FlatStyle = System.Windows.Forms.FlatStyle.System
        Me.cmdFillList.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.cmdFillList.Location = New System.Drawing.Point(276, 152)
        Me.cmdFillList.Name = "cmdFillList"
        Me.cmdFillList.Size = New System.Drawing.Size(104, 24)
        Me.cmdFillList.TabIndex = 1
        Me.cmdFillList.Text = "Fill List"
        "
        "ListViewExample
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 14)
        Me.ClientSize = New System.Drawing.Size(388, 349)
        Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.GroupBox1, Me.cmdFillList, Me.listAuthors})
        Me.Font = New System.Drawing.Font("Tahoma", 8.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
        Me.Name = "ListViewExample"
        Me.Text = "ListView Example"
        Me.GroupBox1.ResumeLayout(False)
        Me.ResumeLayout(False)
    End Sub
#End Region

    Private Sub cmdFillList_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdFillList.Click
        listAuthors.BeginUpdate()
        Dim dt As DataTable = StoreDB.GetProducts()
        Dim dr As DataRow
        For Each dr In dt.Rows
            Dim listItem As New ListViewItem(dr("book").ToString)
            listItem.ImageIndex = 0
            listItem.SubItems.Add(dr("title"))
            listAuthors.Items.Add(listItem)
        Next
        listAuthors.Columns.Add("title", 100, HorizontalAlignment.Left)
        listAuthors.EndUpdate()
    End Sub
    Private Sub NewView(ByVal sender As System.Object, ByVal e As System.EventArgs) _
 Handles optSmallIcon.CheckedChanged, optDetails.CheckedChanged, _
 optLargeIcon.CheckedChanged, optList.CheckedChanged
        listAuthors.View = CType(sender, Control).Tag
        Me.Text = "Using View: " & listAuthors.View.ToString
    End Sub

    Private Sub ListViewExample_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        optLargeIcon.Tag = View.LargeIcon
        optSmallIcon.Tag = View.SmallIcon
        optDetails.Tag = View.Details
        optList.Tag = View.List
        Call cmdFillList_Click(Nothing, Nothing)
    End Sub

    Private Sub listAuthors_ColumnClick(ByVal sender As Object, ByVal e As System.Windows.Forms.ColumnClickEventArgs) Handles listAuthors.ColumnClick
        listAuthors.ListViewItemSorter = New CompareListViewItems(e.Column)
        listAuthors.Sort()
    End Sub
End Class
Public Class CompareListViewItems
    Implements IComparer
    Public ReadOnly Column As Integer
    Public Sub New(ByVal columnIndex As Integer)
        Column = columnIndex
    End Sub
    Public Function Compare(ByVal x As Object, ByVal y As Object) As Integer Implements System.Collections.IComparer.rupare
        Dim ListX As ListViewItem = CType(x, ListViewItem)
        Dim ListY As ListViewItem = CType(y, ListViewItem)
        If ListX.SubItems(Column).Text > ListY.SubItems(Column).Text Then
            Return 1
        ElseIf ListX.SubItems(Column).Text = ListY.SubItems(Column).Text Then
            Return 0
        Else
            Return -1
        End If
    End Function
End Class
Public Class StoreDB
    Public Shared Function GetProducts() As DataTable
        Dim dsStore As New DataSet()
        dsStore.ReadXmlSchema("book.xdr")
        dsStore.ReadXml("book.xml")
        Return dsStore.Tables("books")
    End Function

End Class


ListViewItem.SubItems.Add

  

Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
public class ListViewIllustration
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private Sub btnPopulate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPopulate.Click
        Dim intWidth As Integer
        Dim objItem As ListViewItem
        "Set the default view.
        ListView1.View = View.Details
        optDetails.Checked = True
        "Add the column headers.
        intWidth = ListView1.Width - 5
        ListView1.Columns.Add("Name", CInt(intWidth / 4))
        ListView1.Columns.Add("Address", CInt(intWidth / 4))
        ListView1.Columns.Add("Phone", CInt(intWidth / 4))
        ListView1.Columns.Add("FAX", CInt(intWidth / 4))
        "Add some list view items.
        objItem = ListView1.Items.Add("AAAAA")
        With objItem
            .SubItems.Add("123 Main St.")
            .SubItems.Add("555-555-5555")
            .SubItems.Add("555-555-5555")
            .ImageIndex = 0
        End With
        objItem = ListView1.Items.Add("BBBBB")
        With objItem
            .SubItems.Add("456 Main St.")
            .SubItems.Add("555-555-5555")
            .SubItems.Add("555-555-5555")
            .ImageIndex = 0
        End With
    End Sub
    Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click
        Dim strItemText As String
        Dim objItem As ListViewItem
        "Add some list view items.
        strItemText = "name:"
        objItem = ListView1.Items.Add(strItemText)
        With objItem
            .SubItems.Add("123 Some St.")
            .SubItems.Add("555-555-5555")
            .SubItems.Add("555-555-5555")
            .ImageIndex = 0
        End With
    End Sub
    Private Sub btnClear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnClear.Click
        ListView1.Items.Clear()
    End Sub
    
    Private Sub btnRemove_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnRemove.Click
        Dim objListItem As ListViewItem
        For Each objListItem In ListView1.SelectedItems
            objListItem.Remove()
        Next objListItem
    End Sub
    Private Sub btnDisplayItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDisplayItem.Click
        Dim strMessage As String
        Dim objListItem As ListViewItem
        If ListView1.SelectedItems.Count > 0 Then
            objListItem = ListView1.SelectedItems(0)
            With objListItem
                strMessage = "NAME: " & .Text & vbCrLf & _
                             "ADDRESS: " & .SubItems(1).Text & vbCrLf & _
                             "PHONE: " & .SubItems(2).Text & vbCrLf & _
                             "FAX: " & .SubItems(3).Text
            End With
            MsgBox(strMessage)
        End If
    End Sub
   
    Private Sub optLargeIcon_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles optLargeIcon.CheckedChanged
        ListView1.View = View.LargeIcon
    End Sub
    Private Sub optSmallIcon_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles optSmallIcon.CheckedChanged
        ListView1.View = View.SmallIcon
    End Sub
    Private Sub optList_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles optList.CheckedChanged
        ListView1.View = View.List
    End Sub
    Private Sub optTile_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles optTile.CheckedChanged
        ListView1.View = View.Tile
    End Sub
    Private Sub optDetails_CheckedChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles optDetails.CheckedChanged
        ListView1.View = View.Details
    End Sub
End Class
Partial Public Class Form1
    Inherits System.Windows.Forms.Form
    <System.Diagnostics.DebuggerNonUserCode()> _
    Public Sub New()
        MyBase.New()
        "This call is required by the Windows Form Designer.
        InitializeComponent()
    End Sub
    "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()
        Me.ruponents = New System.ruponentModel.Container
        Me.ListView1 = New System.Windows.Forms.ListView
        Me.btnPopulate = New System.Windows.Forms.Button
        Me.GroupBox1 = New System.Windows.Forms.GroupBox
        Me.optDetails = New System.Windows.Forms.RadioButton
        Me.optTile = New System.Windows.Forms.RadioButton
        Me.optList = New System.Windows.Forms.RadioButton
        Me.optSmallIcon = New System.Windows.Forms.RadioButton
        Me.optLargeIcon = New System.Windows.Forms.RadioButton
        Me.btnAdd = New System.Windows.Forms.Button
        Me.btnRemove = New System.Windows.Forms.Button
        Me.btnClear = New System.Windows.Forms.Button
        Me.btnDisplayItem = New System.Windows.Forms.Button
        Me.GroupBox1.SuspendLayout()
        Me.SuspendLayout()
        "
        "ListView1
        "
        Me.ListView1.FullRowSelect = True
        Me.ListView1.Location = New System.Drawing.Point(17, 18)
        Me.ListView1.Name = "ListView1"
        Me.ListView1.Size = New System.Drawing.Size(342, 364)
        Me.ListView1.TabIndex = 0
        Me.ListView1.UseCompatibleStateImageBehavior = False
        "
        "btnPopulate
        "
        Me.btnPopulate.Location = New System.Drawing.Point(366, 239)
        Me.btnPopulate.Name = "btnPopulate"
        Me.btnPopulate.Size = New System.Drawing.Size(161, 23)
        Me.btnPopulate.TabIndex = 2
        Me.btnPopulate.Text = "Populate"
        "
        "GroupBox1
        "
        Me.GroupBox1.Controls.Add(Me.optDetails)
        Me.GroupBox1.Controls.Add(Me.optTile)
        Me.GroupBox1.Controls.Add(Me.optList)
        Me.GroupBox1.Controls.Add(Me.optSmallIcon)
        Me.GroupBox1.Controls.Add(Me.optLargeIcon)
        Me.GroupBox1.Location = New System.Drawing.Point(370, 13)
        Me.GroupBox1.Name = "GroupBox1"
        Me.GroupBox1.Size = New System.Drawing.Size(156, 166)
        Me.GroupBox1.TabIndex = 1
        Me.GroupBox1.TabStop = False
        Me.GroupBox1.Text = "Views"
        "
        "optDetails
        "
        Me.optDetails.AutoSize = True
        Me.optDetails.Location = New System.Drawing.Point(30, 126)
        Me.optDetails.Name = "optDetails"
        Me.optDetails.Size = New System.Drawing.Size(57, 17)
        Me.optDetails.TabIndex = 4
        Me.optDetails.Text = "Details"
        "
        "optTile
        "
        Me.optTile.AutoSize = True
        Me.optTile.Location = New System.Drawing.Point(30, 102)
        Me.optTile.Name = "optTile"
        Me.optTile.Size = New System.Drawing.Size(42, 17)
        Me.optTile.TabIndex = 3
        Me.optTile.Text = "Tile"
        "
        "optList
        "
        Me.optList.AutoSize = True
        Me.optList.Location = New System.Drawing.Point(30, 78)
        Me.optList.Name = "optList"
        Me.optList.Size = New System.Drawing.Size(41, 17)
        Me.optList.TabIndex = 2
        Me.optList.Text = "List"
        "
        "optSmallIcon
        "
        Me.optSmallIcon.AutoSize = True
        Me.optSmallIcon.Location = New System.Drawing.Point(30, 54)
        Me.optSmallIcon.Name = "optSmallIcon"
        Me.optSmallIcon.Size = New System.Drawing.Size(79, 17)
        Me.optSmallIcon.TabIndex = 1
        Me.optSmallIcon.Text = "Small Icons"
        "
        "optLargeIcon
        "
        Me.optLargeIcon.AutoSize = True
        Me.optLargeIcon.Location = New System.Drawing.Point(30, 30)
        Me.optLargeIcon.Name = "optLargeIcon"
        Me.optLargeIcon.Size = New System.Drawing.Size(81, 17)
        Me.optLargeIcon.TabIndex = 0
        Me.optLargeIcon.Text = "Large Icons"
        "
        "btnAdd
        "
        Me.btnAdd.Location = New System.Drawing.Point(365, 269)
        Me.btnAdd.Name = "btnAdd"
        Me.btnAdd.Size = New System.Drawing.Size(161, 23)
        Me.btnAdd.TabIndex = 3
        Me.btnAdd.Text = "Add"
        "
        "btnRemove
        "
        Me.btnRemove.Location = New System.Drawing.Point(366, 299)
        Me.btnRemove.Name = "btnRemove"
        Me.btnRemove.Size = New System.Drawing.Size(161, 23)
        Me.btnRemove.TabIndex = 4
        Me.btnRemove.Text = "Remove"
        "
        "btnClear
        "
        Me.btnClear.Location = New System.Drawing.Point(365, 329)
        Me.btnClear.Name = "btnClear"
        Me.btnClear.Size = New System.Drawing.Size(161, 23)
        Me.btnClear.TabIndex = 5
        Me.btnClear.Text = "Clear"
        "
        "btnDisplayItem
        "
        Me.btnDisplayItem.Location = New System.Drawing.Point(365, 359)
        Me.btnDisplayItem.Name = "btnDisplayItem"
        Me.btnDisplayItem.Size = New System.Drawing.Size(161, 23)
        Me.btnDisplayItem.TabIndex = 6
        Me.btnDisplayItem.Text = "Display Item"
        "
        "Form1
        "
        Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
        Me.ClientSize = New System.Drawing.Size(539, 394)
        Me.Controls.Add(Me.btnDisplayItem)
        Me.Controls.Add(Me.btnClear)
        Me.Controls.Add(Me.btnRemove)
        Me.Controls.Add(Me.btnAdd)
        Me.Controls.Add(Me.GroupBox1)
        Me.Controls.Add(Me.btnPopulate)
        Me.Controls.Add(Me.ListView1)
        Me.Name = "Form1"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.Text = "ListView"
        Me.GroupBox1.ResumeLayout(False)
        Me.GroupBox1.PerformLayout()
        Me.ResumeLayout(False)
    End Sub
    Friend WithEvents ListView1 As System.Windows.Forms.ListView
    Friend WithEvents btnPopulate As System.Windows.Forms.Button
    Friend WithEvents GroupBox1 As System.Windows.Forms.GroupBox
    Friend WithEvents optDetails As System.Windows.Forms.RadioButton
    Friend WithEvents optTile As System.Windows.Forms.RadioButton
    Friend WithEvents optList As System.Windows.Forms.RadioButton
    Friend WithEvents optSmallIcon As System.Windows.Forms.RadioButton
    Friend WithEvents optLargeIcon As System.Windows.Forms.RadioButton
    Friend WithEvents btnAdd As System.Windows.Forms.Button
    Friend WithEvents btnRemove As System.Windows.Forms.Button
    Friend WithEvents btnClear As System.Windows.Forms.Button
    Friend WithEvents btnDisplayItem As System.Windows.Forms.Button
    Friend WithEvents ImageList1 As System.Windows.Forms.ImageList
End Class