AppIsRunning is a built-in scripting function that verifies another application window is open and running.

Function Group Execution Windows Embedded Thin Client Mobile Access
AppIsRunning Module Activity Synchronous Supported Supported Supported Not supported


Web Studio Help moduleactivity appisrunning.xml d147535e78 AppIsRunning
The full title (as shown in the title bar) of the application window.
The timeout period (in milliseconds) for the function to be successfully executed. If, for whatever reason, the function is not executed in this period, then it is aborted.

This is an optional parameter. If no value is specified, then the default timeout is five seconds (or 5000 milliseconds).

Returned value

This function will return one of the following values:
Value Description
0 ERROR: The specified application window is not open or otherwise did not respond within the timeout period.
1 SUCCESS: The specified application window is open and running.


AppIsRunning is similar to the function IsWindow in the Microsoft Windows API. For more information, please refer to the Windows API documentation.


Verify the Microsoft Word document named test.doc is open and running:
  AppIsRunning( "test.doc — Microsoft Word" )