Const LWA_COLORKEY = &H1 Const LWA_ALPHA = &H2 Const GWL_EXSTYLE = (-20) Const WS_EX_LAYERED = &H80000 Const WS_EX_TRANSPARENT As Long = &H20& Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long Private Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hWnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Long Private Sub Form_Load()
Dim Ret As Long Ret = GetWindowLong(Me.hWnd, GWL_EXSTYLE) '你再加上WS_EX_TRANSPARENT就能穿透鼠标了 Ret = Ret Or WS_EX_LAYERED Or WS_EX_TRANSPARENT SetWindowLong Me.hWnd, GWL_EXSTYLE, Ret 'Set the opacity of the layered window to 200 SetLayeredWindowAttributes Me.hWnd, 0, 50, LWA_ALPHA End Sub
Public Sub SetFormTran(ByVal Obj As form, ByVal Tran As Long) On Error GoTo ErrTran SetWindowLong Obj.Hwnd, GWL_EXSTYLE, GetWindowLong(Obj.Hwnd, GWL_EXSTYLE) Or WS_EX_LAYERED Or WS_EX_TRANSPARENT SetLayeredWindowAttributes Obj.Hwnd, 0, Tran, LWA_ALPHA Or LWA_COLORKEY Obj.Refresh ErrTran: End Subprivate sub command1_click SetFormTran form1,100 end sub
windows提供了一个api
Const LWA_ALPHA = &H2
Const GWL_EXSTYLE = (-20)
Const WS_EX_LAYERED = &H80000
Const WS_EX_TRANSPARENT As Long = &H20&
Private Declare Function GetWindowLong Lib "user32" Alias "GetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long) As Long
Private Declare Function SetWindowLong Lib "user32" Alias "SetWindowLongA" (ByVal hWnd As Long, ByVal nIndex As Long, ByVal dwNewLong As Long) As Long
Private Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hWnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Long
Private Sub Form_Load()
Dim Ret As Long
Ret = GetWindowLong(Me.hWnd, GWL_EXSTYLE)
'你再加上WS_EX_TRANSPARENT就能穿透鼠标了
Ret = Ret Or WS_EX_LAYERED Or WS_EX_TRANSPARENT
SetWindowLong Me.hWnd, GWL_EXSTYLE, Ret
'Set the opacity of the layered window to 200
SetLayeredWindowAttributes Me.hWnd, 0, 50, LWA_ALPHA
End Sub
On Error GoTo ErrTran
SetWindowLong Obj.Hwnd, GWL_EXSTYLE, GetWindowLong(Obj.Hwnd, GWL_EXSTYLE) Or WS_EX_LAYERED Or WS_EX_TRANSPARENT
SetLayeredWindowAttributes Obj.Hwnd, 0, Tran, LWA_ALPHA Or LWA_COLORKEY
Obj.Refresh
ErrTran:
End Subprivate sub command1_click
SetFormTran form1,100
end sub
转发一下消息就行了
laviewpbt(人一定要靠自己)
Good!!