NET 拖动无边框窗体编程实例
添加时间: 2008-9-29 11:54:54 作者: 阅读次数:13 来源: 博客网
Imports System.Drawing
Imports System.Windows.Forms
'******************************************
Private oOriginalRegion As Region = Nothing
' 用于窗体移动
Private bFormDragging As Boolean = False
Private oPointClicked As Point
'******************************************
Private Sub Form1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseDown
Me.bFormDragging = True
Me.oPointClicked = New Point(e.X, e.Y)
End Sub
'******************************************
Private Sub Form1_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseUp
Me.bFormDragging = False
End Sub
'******************************************
Private Sub Form1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseMove
If Me.bFormDragging Then
Dim oMoveToPoint As Point
' 以当前鼠标位置为基础，找出目标位置
oMoveToPoint = Me.PointToScreen(New Point(e.X, e.Y))
' 根据开始位置作出调整
oMoveToPoint.Offset(Me.oPointClicked.X * -1, _
(Me.oPointClicked.Y + _
SystemInformation.CaptionHeight + _
SystemInformation.BorderSize.Height) * -1)
' 移动窗体
Me.Location = oMoveToPoint
End If
End Sub
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