VB.Net/GUI/Drag Move

Drag to move a Component inside a Container

<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Windows.Forms

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

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
   Friend WithEvents lblDragger As System.Windows.Forms.Label
   
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.Container
   "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.lblDragger = New System.Windows.Forms.Label()
       Me.SuspendLayout()
       "
       "lblDragger
       "
       Me.lblDragger.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
       Me.lblDragger.Image = New Bitmap("figure2.bmp")
       Me.lblDragger.Location = New System.Drawing.Point(40, 40)
       Me.lblDragger.Name = "lblDragger"
       Me.lblDragger.Size = New System.Drawing.Size(72, 56)
       Me.lblDragger.TabIndex = 1
       "
       "FakeDragAndDrop
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(232, 162)
       Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.lblDragger})
       Me.Name = "FakeDragAndDrop"
       Me.Text = "Fake Drag And Drop"
       Me.ResumeLayout(False)
   End Sub

1. End Region

   Private Sub cmdDragger_Click(ByVal sender As System.Object, ByVal e As System.EventArgs)
   End Sub
   Private IsDragging As Boolean = False
   Private ClickOffsetX, ClickOffsetY As Integer
   Private Sub lblDragger_MouseDown(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles lblDragger.MouseDown
       IsDragging = True
       ClickOffsetX = e.X
       ClickOffsetY = e.Y
   End Sub
   Private Sub lblDragger_MouseUp(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles lblDragger.MouseUp
       IsDragging = False
   End Sub
   Private Sub lblDragger_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles lblDragger.MouseMove
       If IsDragging = True Then
           lblDragger.Left = e.X + lblDragger.Left - ClickOffsetX
           lblDragger.Top = e.Y + lblDragger.Top - ClickOffsetY
       End If
   End Sub

End Class

      </source>