I don't understand what you mean but glad you solved somehow.
Cetin

>Hi.
>Somehow the seccess of this procedure depends on where was the last mouse-click on the form.
>Thank God my ultimate judges - the users decided they want the calculator minimized. So ThisForm.windowstate=1 was enough.
>Thanks for the answer.
>Kamil
>
>>If the called window's application is in foreground then this should work:
>>

>>* API Declarations
>>Declare Integer GetActiveWindow In Win32API
>>Declare Integer GetWindow In Win32API Integer HWnd, Integer dflag
>>Declare integer SetActiveWindow in win32API integer hWnd
>>
>>#define GW_HWNDNEXT         2
>>#define GW_HWNDPREV         3
>>
>>SetActiveWindow(GetWindow(GetActiveWindow(), GW_HWNDPREV))
>>Clear Dlls 'GetActiveWindow','GetWindow','SetActiveWindow'
>>

Cetin