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_CBwinClose
Define a callback on close event. If this callback is defined, the system calls it when the user tries to close the window (depending on the operating system : on windows, by clicking on the upper-right cross). If this callback is not defined, the system destroys the window and call the destroy event callback.Parameters
ObjWin _CBwinClose ( ObjWin _win_ fun [ObjWin u0] u1 _callback_ u0 _user_ )
Return value
_win_ any window _callback_ callback on close event _user_ user parameter
same window