Private Declare Function SetLayeredWindowAttributes Lib "user32" (ByVal hwnd As Long, ByVal crKey As Long, ByVal bAlpha As Byte, ByVal dwFlags As Long) As Long Const WS_EX_LAYERED = &H80000 Const GWL_EXSTYLE = (-20) Const LWA_ALPHA = &H2 Const LWA_COLORKEY = &H1 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 LongPrivate Sub Form_Load() Dim rtn As Long rtn = GetWindowLong(Me.hwnd, GWL_EXSTYLE) rtn = rtn Or WS_EX_LAYERED SetWindowLong Me.hwnd, GWL_EXSTYLE, rtn SetLayeredWindowAttributes Me.hwnd, 0, 100, LWA_ALPHA ' 可以根据需要调整透明度,我这里用的是100 End Sub
Const WS_EX_LAYERED = &H80000
Const GWL_EXSTYLE = (-20)
Const LWA_ALPHA = &H2
Const LWA_COLORKEY = &H1
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 LongPrivate Sub Form_Load()
Dim rtn As Long
rtn = GetWindowLong(Me.hwnd, GWL_EXSTYLE)
rtn = rtn Or WS_EX_LAYERED
SetWindowLong Me.hwnd, GWL_EXSTYLE, rtn
SetLayeredWindowAttributes Me.hwnd, 0, 100, LWA_ALPHA
' 可以根据需要调整透明度,我这里用的是100
End Sub
rtn = rtn Or WS_EX_LAYERED
SetWindowLong Me.hwnd, GWL_EXSTYLE, rtn
修改,得到句柄指向标题栏