老问题 vb.net 移动没有标题的窗体,高分
关于vb.net 移动没有标题的窗体的问题,在网上搜一下,只有vb6.0的方法:
Declare Function ReleaseCapture Lib "user32 " () As Long
Declare Function SendMessage Lib "user32 " Alias "SendMessageA " (ByVal hwnd As Long, ByVal wMsg As Long, ByVal wParam As Any) As Long
Public Const HTCAPTION = 2
Public Const hwnd = 2
Public Const WM_NCLBUTTONDOWN = &HA1
……
在vb.net里不知道怎么搞了。请高手赐教。
[解决办法]
参考下面代码:
Public Class frmMove
Private HTCAPTION As IntPtr = 2
Private HTCLIENT As IntPtr = 1
Private WM_NCHITTEST As Integer = 132
Protected Overrides Sub WndProc(ByRef m As Message)
If (m.Msg = WM_NCHITTEST) Then
MyBase.WndProc(m)
If (m.Result = HTCLIENT) Then
m.Result = HTCAPTION
End If
ElseIf (m.Msg = 163) Then
Else
MyBase.WndProc(m)
End If
End Sub
End Class
[解决办法]
不用API
#Region "移动窗体 "
Dim bMouseDown As Boolean
Dim pntMousePosition As Point
Private Sub Form1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseDown
bMouseDown = True
pntMousePosition.X = e.X
pntMousePosition.Y = e.Y
End Sub
Private Sub Form1_MouseUp(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseUp
bMouseDown = False
End Sub
Private Sub Form1_MouseMove(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles MyBase.MouseMove
Static bProcessingEvent As Boolean
If bProcessingEvent Then
Exit Sub
End If
If bMouseDown Then
bProcessingEvent = True
Dim NewX As Integer = Me.Location.X + (e.X) - pntMousePosition.X
Dim NewY As Integer = Me.Location.Y + (e.Y) - pntMousePosition.Y
Me.SetDesktopLocation(NewX, NewY)
bProcessingEvent = False
End If
End Sub
#End Region
