آموزش رایگان ویژوال بیسیک 6

Const HWND_TOPMOST = -1

Const HWND_NOTOPMOST = -2

Const SWP_NOSIZE = &H1

Const SWP_NOMOVE = &H2

Const SWP_NOACTIVATE = &H10

Const SWP_SHOWWINDOW = &H40

Private Declare Sub SetWindowPos Lib "User32" (ByVal hWnd As Long, ByVal

hWndInsertAfter As Long, ByVal X As Long, ByVal Y As Long, ByVal cx As Long, ByVal

cy As Long, ByVal wFlags As Long)

Private Sub SetTopMost(frm As Form, ByVal blnMod As Boolean)
    If blnMod Then
        SetWindowPos frm.hWnd, HWND_TOPMOST, 0, 0, 0, 0, SWP_NOACTIVATE Or SWP_SHOWWINDOW Or SWP_NOMOVE Or SWP_NOSIZE
   

Else
        SetWindowPos frm.hWnd, HWND_NOTOPMOST, 0, 0, 0, 0, SWP_NOACTIVATE Or SWP_SHOWWINDOW Or SWP_NOMOVE Or SWP_NOSIZE
    End If

End Sub

Private Sub Check1_Click()
    Call SetTopMost(Me, Check1.Value)
End Sub