Double and single click : Mouse Event « Event « VB.Net Tutorial






Double and single click
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class PictureBoxSingleDoubleClicked
   public Shared Sub Main
        Application.Run(New Form1)
   End Sub
End class
Public Class Form1
    Private oldcolor As Color

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        PictureBox1.Image = System.Drawing.Image.FromFile("yourfile.jpg")
        Label1.Text = "Loaded"

    End Sub

    Private Sub Button1_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles Button1.MouseDown
        If (e.Button <> MouseButtons.Left) Then
            Label1.Text = "Left button"
        End If

    End Sub

    Private Sub PictureBox1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox1.Click
        Label1.Text = "single cliked"
    End Sub

    Private Sub PictureBox1_DoubleClick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox1.DoubleClick
        Label1.Text = "double clicked"
    End Sub

    Private Sub PictureBox1_MouseMove(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles PictureBox1.MouseMove
        PictureBox1.BackColor = System.Drawing.Color.Gray
        PictureBox1.Image = System.Drawing.Image.FromFile("yourfile.jpg")
        Label1.Text = "(" + Str(e.X) + "," + Str(e.Y) + ")"

    End Sub

    Private Sub PictureBox1_MouseLeave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles PictureBox1.MouseLeave
        PictureBox1.BackColor = oldcolor
        PictureBox1.Image = System.Drawing.Image.FromFile("yourfile.jpg")
        Label1.Text = "Exit"

    End Sub

    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        oldcolor = PictureBox1.BackColor
    End Sub
End Class


<Global.Microsoft.VisualBasic.CompilerServices.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.ComponentModel.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.Label1 = New System.Windows.Forms.Label
        Me.PictureBox1 = New System.Windows.Forms.PictureBox
        CType(Me.PictureBox1, System.ComponentModel.ISupportInitialize).BeginInit()
        Me.SuspendLayout()
        '
        'Button1
        '
        Me.Button1.Location = New System.Drawing.Point(181, 231)
        Me.Button1.Name = "Button1"
        Me.Button1.Size = New System.Drawing.Size(75, 23)
        Me.Button1.TabIndex = 0
        Me.Button1.Text = "load pic"
        Me.Button1.UseVisualStyleBackColor = True
        '
        'Label1
        '
        Me.Label1.AutoSize = True
        Me.Label1.Location = New System.Drawing.Point(28, 9)
        Me.Label1.Name = "Label1"
        Me.Label1.Size = New System.Drawing.Size(41, 12)
        Me.Label1.TabIndex = 1
        Me.Label1.Text = "Label1"
        '
        'PictureBox1
        '
        Me.PictureBox1.Location = New System.Drawing.Point(20, 30)
        Me.PictureBox1.Name = "PictureBox1"
        Me.PictureBox1.Size = New System.Drawing.Size(391, 189)
        Me.PictureBox1.TabIndex = 2
        Me.PictureBox1.TabStop = False
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 12.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(431, 266)
        Me.Controls.Add(Me.PictureBox1)
        Me.Controls.Add(Me.Label1)
        Me.Controls.Add(Me.Button1)
        Me.Name = "Form1"
        Me.Text = "Form1"
        CType(Me.PictureBox1, System.ComponentModel.ISupportInitialize).EndInit()
        Me.ResumeLayout(False)
        Me.PerformLayout()

    End Sub
    Friend WithEvents Button1 As System.Windows.Forms.Button
    Friend WithEvents Label1 As System.Windows.Forms.Label
    Friend WithEvents PictureBox1 As System.Windows.Forms.PictureBox

End Class








11.7.Mouse Event
11.7.1.Mouse Events IllustationMouse Events Illustation
11.7.2.Mouse move eventMouse move event
11.7.3.Form mouse move eventForm mouse move event
11.7.4.Mouse Enter and LeaveMouse Enter and Leave
11.7.5.Double and single clickDouble and single click