Simple Drag and Drop Event Illustration : Drag Drop « GUI « VB.Net






Simple Drag and Drop Event Illustration

Simple Drag and Drop Event Illustration
Imports System.Drawing.Drawing2D
Imports System
Imports System.Drawing.Text
Imports System.Drawing
Imports System.Windows.Forms
Imports System.Math
Imports System.Xml.Serialization
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
    Private m_Dragging As Boolean

    Private Sub lblDragSource_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles lblDragSource.MouseDown
        m_Dragging = True
        lblDragSource.DoDragDrop("Text from source", DragDropEffects.Copy)
        m_Dragging = False
    End Sub

    Private Sub lblDropTarget_DragEnter(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles lblDropTarget.DragEnter
        If m_Dragging Then
            e.Effect = DragDropEffects.Copy
        Else
            e.Effect = DragDropEffects.None
        End If
    End Sub

    Private Sub lblDropTarget_DragDrop(ByVal sender As Object, ByVal e As System.Windows.Forms.DragEventArgs) Handles lblDropTarget.DragDrop
        MessageBox.Show(e.Data.GetData(DataFormats.Text).ToString)
    End Sub
End Class


<Global.Microsoft.VisualBasic.CompilerServices.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.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.lblDropTarget = New System.Windows.Forms.Label
        Me.lblDragSource = New System.Windows.Forms.Label
        Me.SuspendLayout()
        '
        'lblDropTarget
        '
        Me.lblDropTarget.AllowDrop = True
        Me.lblDropTarget.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.lblDropTarget.Location = New System.Drawing.Point(160, 8)
        Me.lblDropTarget.Name = "lblDropTarget"
        Me.lblDropTarget.Size = New System.Drawing.Size(120, 96)
        Me.lblDropTarget.TabIndex = 3
        Me.lblDropTarget.Text = "Drop Target"
        Me.lblDropTarget.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'lblDragSource
        '
        Me.lblDragSource.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D
        Me.lblDragSource.Location = New System.Drawing.Point(8, 8)
        Me.lblDragSource.Name = "lblDragSource"
        Me.lblDragSource.Size = New System.Drawing.Size(120, 96)
        Me.lblDragSource.TabIndex = 2
        Me.lblDragSource.Text = "Drag Source"
        Me.lblDragSource.TextAlign = System.Drawing.ContentAlignment.MiddleCenter
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(288, 114)
        Me.Controls.Add(Me.lblDropTarget)
        Me.Controls.Add(Me.lblDragSource)
        Me.Name = "Form1"
        Me.Text = "DragWithinApp"
        Me.ResumeLayout(False)

    End Sub
    Friend WithEvents lblDropTarget As System.Windows.Forms.Label
    Friend WithEvents lblDragSource As System.Windows.Forms.Label

End Class
 
           
       








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