本文整理汇总了VB.NET中System.Windows.Forms.MouseEventHandler代理的典型用法代码示例。如果您正苦于以下问题：VB.NET MouseEventHandler代理的具体用法？VB.NET MouseEventHandler怎么用？VB.NET MouseEventHandler使用的例子？那么恭喜您, 这里精选的代理代码示例或许可以为您提供帮助。
在下文中一共展示了MouseEventHandler代理的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Main
' 导入命名空间
Imports System.Drawing
Imports System.Windows.Forms
Namespace MouseEvent
' Summary description for Form1.
Public NotInheritable Class Form1
Inherits System.Windows.Forms.Form
Friend WithEvents panel1 As System.Windows.Forms.Panel
Private label1 As System.Windows.Forms.Label
Private label2 As System.Windows.Forms.Label
Private label3 As System.Windows.Forms.Label
Private label4 As System.Windows.Forms.Label
Private label5 As System.Windows.Forms.Label
Private label6 As System.Windows.Forms.Label
Private label7 As System.Windows.Forms.Label
Private label8 As System.Windows.Forms.Label
Private label9 As System.Windows.Forms.Label
Friend WithEvents clearButton As System.Windows.Forms.Button
Private mousePath As System.Drawing.Drawing2D.GraphicsPath
Private groupBox1 As System.Windows.Forms.GroupBox
Private fontSize As Integer = 20
<System.STAThread()> _
Public Shared Sub Main()
System.Windows.Forms.Application.Run(New Form1())
End Sub
Public Sub New()
mousePath = New System.Drawing.Drawing2D.GraphicsPath()
Me.panel1 = New System.Windows.Forms.Panel()
Me.label1 = New System.Windows.Forms.Label()
Me.clearButton = New System.Windows.Forms.Button()
Me.label2 = New System.Windows.Forms.Label()
Me.label3 = New System.Windows.Forms.Label()
Me.label4 = New System.Windows.Forms.Label()
Me.label5 = New System.Windows.Forms.Label()
Me.label6 = New System.Windows.Forms.Label()
Me.label7 = New System.Windows.Forms.Label()
Me.label8 = New System.Windows.Forms.Label()
Me.label9 = New System.Windows.Forms.Label()
Me.groupBox1 = New System.Windows.Forms.GroupBox()
' Mouse Events Label
Me.label1.Location = New System.Drawing.Point(24, 504)
Me.label1.Size = New System.Drawing.Size(392, 23)
' DoubleClickSize Label
Me.label2.AutoSize = True
Me.label2.Location = New System.Drawing.Point(24, 48)
Me.label2.Size = New System.Drawing.Size(35, 13)
' DoubleClickTime Label
Me.label3.AutoSize = True
Me.label3.Location = New System.Drawing.Point(24, 72)
Me.label3.Size = New System.Drawing.Size(35, 13)
' MousePresent Label
Me.label4.AutoSize = True
Me.label4.Location = New System.Drawing.Point(24, 96)
Me.label4.Size = New System.Drawing.Size(35, 13)
' MouseButtons Label
Me.label5.AutoSize = True
Me.label5.Location = New System.Drawing.Point(24, 120)
Me.label5.Size = New System.Drawing.Size(35, 13)
' MouseButtonsSwapped Label
Me.label6.AutoSize = True
Me.label6.Location = New System.Drawing.Point(320, 48)
Me.label6.Size = New System.Drawing.Size(35, 13)
' MouseWheelPresent Label
Me.label7.AutoSize = True
Me.label7.Location = New System.Drawing.Point(320, 72)
Me.label7.Size = New System.Drawing.Size(35, 13)
' MouseWheelScrollLines Label
Me.label8.AutoSize = True
Me.label8.Location = New System.Drawing.Point(320, 96)
Me.label8.Size = New System.Drawing.Size(35, 13)
' NativeMouseWheelSupport Label
Me.label9.AutoSize = True
Me.label9.Location = New System.Drawing.Point(320, 120)
Me.label9.Size = New System.Drawing.Size(35, 13)
' Mouse Panel
Me.panel1.Anchor = System.Windows.Forms.AnchorStyles.Top Or _
System.Windows.Forms.AnchorStyles.Left Or _
System.Windows.Forms.AnchorStyles.Right
Me.panel1.BackColor = System.Drawing.SystemColors.ControlDark
Me.panel1.Location = New System.Drawing.Point(16, 160)
Me.panel1.Size = New System.Drawing.Size(664, 320)
' Clear Button
Me.clearButton.Anchor = System.Windows.Forms.AnchorStyles.Top Or _
System.Windows.Forms.AnchorStyles.Right
Me.clearButton.Location = New System.Drawing.Point(592, 504)
Me.clearButton.TabIndex = 1
Me.clearButton.Text = "Clear"
' GroupBox
Me.groupBox1.Anchor = System.Windows.Forms.AnchorStyles.Top Or _
System.Windows.Forms.AnchorStyles.Left Or _
System.Windows.Forms.AnchorStyles.Right
Me.groupBox1.Location = New System.Drawing.Point(16, 24)
Me.groupBox1.Size = New System.Drawing.Size(664, 128)
Me.groupBox1.Text = "System.Windows.Forms.SystemInformation"
' Set up how the form should be displayed and add the controls to the form.
Me.ClientSize = New System.Drawing.Size(696, 534)
Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.label9, _
Me.label8, Me.label7, Me.label6, Me.label5, Me.label4, _
Me.label3, Me.label2, Me.clearButton, Me.panel1, Me.label1, Me.groupBox1})
Me.Text = "Mouse Event Example"
' Display information about the system mouse.
label2.Text = "SystemInformation.DoubleClickSize: " + SystemInformation.DoubleClickSize.ToString()
label3.Text = "SystemInformation.DoubleClickTime: " + SystemInformation.DoubleClickTime.ToString()
label4.Text = "SystemInformation.MousePresent: " + SystemInformation.MousePresent.ToString()
label5.Text = "SystemInformation.MouseButtons: " + SystemInformation.MouseButtons.ToString()
label6.Text = "SystemInformation.MouseButtonsSwapped: " + SystemInformation.MouseButtonsSwapped.ToString()
label7.Text = "SystemInformation.MouseWheelPresent: " + SystemInformation.MouseWheelPresent.ToString()
label8.Text = "SystemInformation.MouseWheelScrollLines: " + SystemInformation.MouseWheelScrollLines.ToString()
label9.Text = "SystemInformation.NativeMouseWheelSupport: " + SystemInformation.NativeMouseWheelSupport.ToString()
End Sub
Private Sub panel1_MouseDown(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles panel1.MouseDown
' Update the mouse path with the mouse information
Dim mouseDownLocation As New Point(e.X, e.Y)
Dim eventString As String = Nothing
Select Case e.Button
Case MouseButtons.Left
eventString = "L"
Case MouseButtons.Right
eventString = "R"
Case MouseButtons.Middle
eventString = "M"
Case MouseButtons.XButton1
eventString = "X1"
Case MouseButtons.XButton2
eventString = "X2"
Case MouseButtons.None:
eventString = Nothing
End Select
If (eventString IsNot Nothing) Then
mousePath.AddString(eventString, FontFamily.GenericSerif, CInt(FontStyle.Bold), fontSize, mouseDownLocation, StringFormat.GenericDefault)
Else
mousePath.AddLine(mouseDownLocation, mouseDownLocation)
End If
panel1.Focus()
panel1.Invalidate()
End Sub
Private Sub panel1_MouseEnter(sender As Object, e As System.EventArgs) Handles panel1.MouseEnter
' Update the mouse event label to indicate the MouseEnter event occurred.
label1.Text = sender.GetType().ToString() + ": MouseEnter"
End Sub
Private Sub panel1_MouseHover(sender As Object, e As System.EventArgs) Handles panel1.MouseHover
' Update the mouse event label to indicate the MouseHover event occurred.
label1.Text = sender.GetType().ToString() + ": MouseHover"
End Sub
Private Sub panel1_MouseLeave(sender As Object, e As System.EventArgs) Handles panel1.MouseLeave
' Update the mouse event label to indicate the MouseLeave event occurred.
label1.Text = sender.GetType().ToString() + ": MouseLeave"
End Sub
Private Sub panel1_MouseMove(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles panel1.MouseMove
' Update the mouse path that is drawn onto the Panel.
Dim mouseX As Integer = e.X
Dim mouseY As Integer = e.Y
mousePath.AddLine(mouseX, mouseY, mouseX, mouseY)
End Sub
Private Sub panel1_MouseWheel(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles panel1.MouseWheel
' Update the drawing based upon the mouse wheel scrolling.
Dim numberOfTextLinesToMove As Integer = CInt(e.Delta * SystemInformation.MouseWheelScrollLines / 120)
Dim numberOfPixelsToMove As Integer = numberOfTextLinesToMove * fontSize
If numberOfPixelsToMove <> 0 Then
Dim translateMatrix As New System.Drawing.Drawing2D.Matrix()
translateMatrix.Translate(0, numberOfPixelsToMove)
mousePath.Transform(translateMatrix)
End If
panel1.Invalidate()
End Sub
Private Sub panel1_MouseUp(sender As Object, e As System.Windows.Forms.MouseEventArgs) Handles panel1.MouseUp
Dim mouseUpLocation As New System.Drawing.Point(e.X, e.Y)
' Show the number of clicks in the path graphic.
Dim numberOfClicks As Integer = e.Clicks
mousePath.AddString(" " + numberOfClicks.ToString(), _
FontFamily.GenericSerif, CInt(FontStyle.Bold), _
fontSize, mouseUpLocation, StringFormat.GenericDefault)
panel1.Invalidate()
End Sub
Private Sub panel1_Paint(sender As Object, e As System.Windows.Forms.PaintEventArgs) Handles panel1.Paint
' Perform the painting of the Panel.
e.Graphics.DrawPath(System.Drawing.Pens.DarkRed, mousePath)
End Sub
Private Sub clearButton_Click(sender As Object, e As System.EventArgs) Handles clearButton.Click
' Clear the Panel display.
mousePath.Dispose()
mousePath = New System.Drawing.Drawing2D.GraphicsPath()
panel1.Invalidate()
End Sub
End Class
End Namespace