VB编程：ReleaseCapture&SendMessage拖动无标题栏的窗体-57_彭世瑜_新浪博客
【摘要】
Private Declare Function ReleaseCapture Lib "user32" () As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, By...
Private Declare Function ReleaseCapture Lib "user32" () As Long
Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Long, lParam As Any) As Long
Const HTCAPTION = 2
Const WM_NCLBUTTONDOWN = &HA1 '161
Private Sub Form_MouseDown(Button As Integer, Shift As Integer, X As Single, Y As Single)
Dim r As Long
Dim i
If Button = 1 Then
i = ReleaseCapture()
r = SendMessage(hwnd, WM_NCLBUTTONDOWN, HTCAPTION, 0)
End If
End Sub
文章来源: pengshiyu.blog.csdn.net，作者：彭世瑜，版权归原作者所有，如需转载，请联系作者。
原文链接：pengshiyu.blog.csdn.net/article/details/109661638
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