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 Const WS_EX_LAYERED = &H80000
Private Const GWL_EXSTYLE = (-20)
Private Const LWA_ALPHA = &H2
Private Sub Form_Load()
Dim rtn As Long
rtn = GetWindowLong(Form1.hwnd, GWL_EXSTYLE)
rtn = rtn Or WS_EX_LAYERED
SetWindowLong Form1.hwnd, GWL_EXSTYLE, rtn
SetLayeredWindowAttributes Form1.hwnd, 0, 100, LWA_ALPHA
End Sub
200为透明度,取值范围是0-255
你可以把richtextbox设置和form一样大,不要标题栏
呵呵~~