VB.Net Tutorial/Windows/ClipBoard — различия между версиями
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Текущая версия на 15:56, 26 мая 2010
ClipBoard: Cut, copy, paste
<source lang="vbnet">Imports System.Windows.Forms public class ClipBoardCutCopyPaste
public Shared Sub Main Application.Run(New Form1) End Sub
End class Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Clipboard.SetDataObject(RichTextBox1.SelectedText) RichTextBox1.SelectedText = "" End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click Clipboard.SetDataObject(RichTextBox1.SelectedText) End Sub Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click Dim iData As IDataObject iData = Clipboard.GetDataObject() If (iData.GetDataPresent(DataFormats.Text)) Then RichTextBox1.SelectedText = iData.GetData(DataFormats.Text) Else RichTextBox1.SelectedText = "Cannot get data from Clipboard" End If End Sub
End Class <Global.Microsoft.VisualBasic.rupilerServices.DesignerGenerated()> _ Partial Class Form1
Inherits System.Windows.Forms.Form "Form overrides dispose to clean up the component list. <System.Diagnostics.DebuggerNonUserCode()> _ Protected 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.Button1 = New System.Windows.Forms.Button Me.Button2 = New System.Windows.Forms.Button Me.Button3 = New System.Windows.Forms.Button Me.RichTextBox1 = New System.Windows.Forms.RichTextBox Me.SuspendLayout() " "Button1 " Me.Button1.Location = New System.Drawing.Point(60, 215) Me.Button1.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4) Me.Button1.Name = "Button1" Me.Button1.Size = New System.Drawing.Size(108, 34) Me.Button1.TabIndex = 0 Me.Button1.Text = "Cut" Me.Button1.UseVisualStyleBackColor = True " "Button2 " Me.Button2.Location = New System.Drawing.Point(235, 215) Me.Button2.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4) Me.Button2.Name = "Button2" Me.Button2.Size = New System.Drawing.Size(117, 32) Me.Button2.TabIndex = 1 Me.Button2.Text = "Copy" Me.Button2.UseVisualStyleBackColor = True " "Button3 " Me.Button3.Location = New System.Drawing.Point(431, 215) Me.Button3.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4) Me.Button3.Name = "Button3" Me.Button3.Size = New System.Drawing.Size(117, 34) Me.Button3.TabIndex = 2 Me.Button3.Text = "Paste" Me.Button3.UseVisualStyleBackColor = True " "RichTextBox1 " Me.RichTextBox1.Location = New System.Drawing.Point(16, 15) Me.RichTextBox1.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4) Me.RichTextBox1.Name = "RichTextBox1" Me.RichTextBox1.Size = New System.Drawing.Size(588, 192) Me.RichTextBox1.TabIndex = 3 Me.RichTextBox1.Text = "" " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(8.0!, 15.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(621, 266) Me.Controls.Add(Me.RichTextBox1) Me.Controls.Add(Me.Button3) Me.Controls.Add(Me.Button2) Me.Controls.Add(Me.Button1) Me.Margin = New System.Windows.Forms.Padding(4, 4, 4, 4) Me.ResumeLayout(False) End Sub Friend WithEvents Button1 As System.Windows.Forms.Button Friend WithEvents Button2 As System.Windows.Forms.Button Friend WithEvents Button3 As System.Windows.Forms.Button Friend WithEvents RichTextBox1 As System.Windows.Forms.RichTextBox
End Class</source>
Image Cut, Copy and Paste with ClipBoard
<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class ImageCutCopyPaste
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 MainMenu1 As System.Windows.Forms.MainMenu Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox Friend WithEvents Splitter1 As System.Windows.Forms.Splitter Friend WithEvents PictureBox2 As System.Windows.Forms.PictureBox Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem3 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem4 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem5 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem6 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem7 As System.Windows.Forms.MenuItem Friend WithEvents MenuItem8 As System.Windows.Forms.MenuItem Friend WithEvents OpenFileDialog1 As System.Windows.Forms.OpenFileDialog Friend WithEvents SaveFileDialog1 As System.Windows.Forms.SaveFileDialog <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.MainMenu1 = New System.Windows.Forms.MainMenu Me.MenuItem1 = New System.Windows.Forms.MenuItem Me.MenuItem2 = New System.Windows.Forms.MenuItem Me.MenuItem3 = New System.Windows.Forms.MenuItem Me.MenuItem4 = New System.Windows.Forms.MenuItem Me.MenuItem5 = New System.Windows.Forms.MenuItem Me.MenuItem6 = New System.Windows.Forms.MenuItem Me.MenuItem7 = New System.Windows.Forms.MenuItem Me.MenuItem8 = New System.Windows.Forms.MenuItem Me.PictureBox1 = New System.Windows.Forms.PictureBox Me.Splitter1 = New System.Windows.Forms.Splitter Me.PictureBox2 = New System.Windows.Forms.PictureBox Me.OpenFileDialog1 = New System.Windows.Forms.OpenFileDialog Me.SaveFileDialog1 = New System.Windows.Forms.SaveFileDialog Me.SuspendLayout() " "MainMenu1 " Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1, Me.MenuItem5}) " "MenuItem1 " Me.MenuItem1.Index = 0 Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem2, Me.MenuItem3, Me.MenuItem4}) Me.MenuItem1.Text = "File" " "MenuItem2 " Me.MenuItem2.Index = 0 Me.MenuItem2.Text = "Open" " "MenuItem3 " Me.MenuItem3.Index = 1 Me.MenuItem3.Text = "Save" " "MenuItem4 " Me.MenuItem4.Index = 2 Me.MenuItem4.Text = "Exit" " "MenuItem5 " Me.MenuItem5.Index = 1 Me.MenuItem5.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem6, Me.MenuItem7, Me.MenuItem8}) Me.MenuItem5.Text = "Exit" " "MenuItem6 " Me.MenuItem6.Index = 0 Me.MenuItem6.Text = "Copy" " "MenuItem7 " Me.MenuItem7.Index = 1 Me.MenuItem7.Text = "Cut" " "MenuItem8 " Me.MenuItem8.Index = 2 Me.MenuItem8.Text = "Paste" " "PictureBox1 " Me.PictureBox1.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.PictureBox1.Dock = System.Windows.Forms.DockStyle.Left Me.PictureBox1.Location = New System.Drawing.Point(0, 0) Me.PictureBox1.Name = "PictureBox1" Me.PictureBox1.Size = New System.Drawing.Size(216, 266) Me.PictureBox1.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage Me.PictureBox1.TabIndex = 0 Me.PictureBox1.TabStop = False " "Splitter1 " Me.Splitter1.Location = New System.Drawing.Point(216, 0) Me.Splitter1.Name = "Splitter1" Me.Splitter1.Size = New System.Drawing.Size(8, 266) Me.Splitter1.TabIndex = 1 Me.Splitter1.TabStop = False " "PictureBox2 " Me.PictureBox2.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.PictureBox2.Dock = System.Windows.Forms.DockStyle.Fill Me.PictureBox2.Location = New System.Drawing.Point(224, 0) Me.PictureBox2.Name = "PictureBox2" Me.PictureBox2.Size = New System.Drawing.Size(248, 266) Me.PictureBox2.SizeMode = System.Windows.Forms.PictureBoxSizeMode.StretchImage Me.PictureBox2.TabIndex = 2 Me.PictureBox2.TabStop = False " "OpenFileDialog1 " Me.OpenFileDialog1.Filter = "BMP(*.bmp)|*.bmp" " "SaveFileDialog1 " Me.SaveFileDialog1.Filter = "BMP(*.bmp)|*.bmp" " "Form1 " Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13) Me.ClientSize = New System.Drawing.Size(472, 266) Me.Controls.Add(Me.PictureBox2) Me.Controls.Add(Me.Splitter1) Me.Controls.Add(Me.PictureBox1) Me.Menu = Me.MainMenu1 Me.ResumeLayout(False) End Sub Dim pic As Image Dim x As New DataObject Private Sub MenuItem2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem2.Click OpenFileDialog1.ShowDialog() pic = New Bitmap(OpenFileDialog1.FileName) PictureBox1.Image = pic End Sub Private Sub MenuItem3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem3.Click Dim path As String pic = PictureBox2.Image SaveFileDialog1.ShowDialog() pic.Save(SaveFileDialog1.FileName) End Sub Private Sub MenuItem4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem4.Click End End Sub Private Sub MenuItem6_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem6.Click x.SetData(DataFormats.Bitmap, False, pic) System.Windows.Forms.Clipboard.SetDataObject(x) End Sub Private Sub MenuItem7_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem7.Click x.SetData(DataFormats.Bitmap, False, pic) System.Windows.Forms.Clipboard.SetDataObject(x) PictureBox1.Image = Nothing End Sub Private Sub MenuItem8_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MenuItem8.Click x = System.Windows.Forms.Clipboard.GetDataObject pic = x.GetData(DataFormats.Bitmap) PictureBox2.Image = pic End Sub
End Class</source>
Paste List file
<source lang="vbnet">Imports System.Data Imports System.Data.OleDb Imports System.Collections.Specialized Imports System.Windows.Forms public class PasteListFile
public Shared Sub Main Application.Run(New Form1) End Sub
End class Public Class Form1
Private Sub btnPaste_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnPaste.Click lstFiles.Items.Clear() If Clipboard.ContainsFileDropList() Then Dim file_names As StringCollection = Clipboard.GetFileDropList() For Each file_name As String In file_names lstFiles.Items.Add(file_name) Next file_name End If 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() Me.lstFiles = New System.Windows.Forms.ListBox Me.btnPaste = New System.Windows.Forms.Button Me.SuspendLayout() " "lstFiles " Me.lstFiles.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.lstFiles.FormattingEnabled = True Me.lstFiles.Location = New System.Drawing.Point(0, 32) Me.lstFiles.Name = "lstFiles" Me.lstFiles.Size = New System.Drawing.Size(288, 238) Me.lstFiles.TabIndex = 3 " "btnPaste " Me.btnPaste.Location = New System.Drawing.Point(0, 0) Me.btnPaste.Name = "btnPaste" Me.btnPaste.Size = New System.Drawing.Size(75, 23) Me.btnPaste.TabIndex = 2 Me.btnPaste.Text = "Paste" " "Form1 " Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(289, 271) Me.Controls.Add(Me.lstFiles) Me.Controls.Add(Me.btnPaste) Me.Name = "Form1" Me.Text = "PasteFileList" Me.ResumeLayout(False) End Sub Friend WithEvents lstFiles As System.Windows.Forms.ListBox Friend WithEvents btnPaste As System.Windows.Forms.Button
End Class</source>