I believe its an Win32 API routine called FlashWindow.

Richard


>In WinXP Pro if you have multiple tasks running and one of your tasks requires imput such as a password the button on the task bar will begin to flash.
>
>We have an application that will run at all times in a minimized window. It will alert the user if action is necessary based on a timer.
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>How can we imitate the WinXP behaviour so this application's task bar icon will flash.
>
>Any help would be appreciated.