National Instruments 320682C Musical Toy Instrument User Manual


 
X Property Library Chapter 9
LabWindows/CVI Standard Libraries 9-22 © National Instruments Corporation
See Also
Refer to the Xlib Programming Manual or to Xlib—C Language X Interface, MIT X Consortium
Standard for more information about the XGetWindowProperty function.
GetXWindowPropertyValue
PropLibXErrType status = GetXWindowPropertyValue (DisplayPtrX display,
WindowX window, PropertyHandleX property,
unsigned int index, unsigned int numberofItemsRequested,
int delete, unsigned int *numberofItemsReturned,
unsigned int *numberOfItemsRemaining,
void *propertyValue);
Purpose
Get the value of a property on a window.
This function obtains the value of the specified property on the window and copies it into the
supplied buffer.
Note: If the property does not exist on the window, this function does NOT report an error.
Instead, the number of items returned is set to 0.