form1.frm

好用啊

VERSION 5.00
Begin VB.Form Form1 
   Caption         =   "Form1"
   ClientHeight    =   1125
   ClientLeft      =   60
   ClientTop       =   345
   ClientWidth     =   4680
   LinkTopic       =   "Form1"
   ScaleHeight     =   1125
   ScaleWidth      =   4680
   StartUpPosition =   3  'Windows Default
   Begin VB.TextBox txtSource 
      DragIcon        =   "Form1.frx":0000
      Height          =   390
      Left            =   30
      TabIndex        =   1
      Text            =   "被拖动的内容"
      Top             =   0
      Width           =   1530
   End
   Begin VB.TextBox txtTarget 
      Height          =   390
      Left            =   2250
      TabIndex        =   0
      Top             =   300
      Width           =   1620
   End
   Begin VB.Label lblSource 
      Caption         =   "这是一个标签控件"
      DragIcon        =   "Form1.frx":0442
      DragMode        =   1  'Automatic
      Height          =   300
      Left            =   0
      TabIndex        =   2
      Top             =   600
      Width           =   1560
   End
End
Attribute VB_Name = "Form1"
Attribute VB_GlobalNameSpace = False
Attribute VB_Creatable = False
Attribute VB_PredeclaredId = True
Attribute VB_Exposed = False
Private Sub Form_Load()

End Sub

Private Sub lblSource_Click()
        lblSource.Drag
End Sub

Private Sub txtSource_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
    If Shift = 2 Then
        txtSource.Drag 1
    End If
End Sub
Private Sub txtTarget_DragDrop(Source As Control, X As Single, Y As Single)
    If TypeOf Source Is TextBox Then
        txtTarget.Text = Source.Text
        Source.Text = ""
    Else
        txtTarget.Text = Source.Caption
        Source.Caption = ""
    End If
End Sub