Article # 146, added by Geoworks, historical record
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How to intercept dialog close message.
Section 7.4.2 Dismissing Interactions in the Objects manual covers how to intercept the MSG_GEN_GUP_INTERACTION_COMMAND message. This message is sent when the dialog is being closed either through system control or by a user response. For instance, if you have a dialog with several different triggers and the user can click on any one of these, you might want to intercept this message to see which button was pressed. You can also use it to see if the dialog is being shutdown. This occurs when the application is told to shutdown by the system. The InteractionCommand value will be IC_NULL.