Retrieve the current value of the specified window property of type void*.
#include <screen/screen.h>
int screen_get_window_property_pv(screen_window_t win, int pname, void **param)
handle of the window whose property is being queried.
The name of the property whose value is being queried. The properties available for querying are of type Screen property types.
A pointer to a buffer containing the new value(s). This buffer must be of type void*.
Function Type: Flushing Execution
0 if a query was successful and the value(s) of the property are stored in param, or -1 if an error occurred (errno is set; refer to /usr/include/errno.h for more details). Note that the error may also have been caused by any delayed execution function that's just been flushed.