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 Const LWA_COLORKEY = &H1 Private Sub Form_Load() Me.BackColor = &HFF0000 Dim rtn As Long Dim BorderStyler BorderStyler = 0 rtn = GetWindowLong(hwnd,GWL_EXSTYLE) rtn = rtn Or WS_EX_LAYERED SetWindowLong hwnd,GWL_EXSTYLE,rtn SetLayeredWindowAttributes hwnd,&HFF0000,LWA_COLORKEY End Sub