PyCPrintInfo.FreeDefaults
FreeDefaults()
After a call to GetDefaults, and you are through with the CPrintDialog object, this call deletes the printer DC and calls GlobalFree function on the handles.
MFC References
FreeDefaults()
After a call to GetDefaults, and you are through with the CPrintDialog object, this call deletes the printer DC and calls GlobalFree function on the handles.