Workbench User Guide : 8. Generating Frames from Predefined Templates : The about_box Template : How You Can Call an About Box Frame
 
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How You Can Call an About Box Frame
To call the About box frame, you must add the following items to all frames that will use it.
Note:  If you want to implement the About command on a Help menu, you must first create the Help menu, and then add a menu button for the About command. For more information about creating menus, see Creating and Modifying Menus.
Add an event block to the script for the About menu_button (in this example, it is called about_btn):
on click menu.help.about_btn =
{
callframe My_About_Box;
}
You can also override the default application name and version number when you call the About box frame by adding appname and version parameters to your callframe statement. For example:
callframe My_About_Box(appname =
'My_Application', version = '1.0 Beta');