globalmapper.SetMessageCallbackEx(GM_MessageCallbackFunc aCallbackFunc, bool aThreadLocal, int aReserved) None[source]

Sets the function to call to display error and warning messages generated during SDK operations. If a message callback is provided, a message dialog will not be shown, instead the callback function will be called with the error or warning message that would have been displayed.

  • aCallbackFunc (GM_MessageCallbackFunc) – The callback function to use to display error and warning messages

  • aThreadLocal (bool) – should this callback only be used within the current thread?

  • aReserved (int) – Reserved for future use; must be 0.


Nothing is returned

Return type