Stores new data into a GtkSelectionData object. Should only be called from a selection handler callback. Zero-terminates the stored data.
a pointer to a GtkSelectionData structure.
the type of selection data
format (number of bits in a unit)
pointer to the data (will be copied). [array length=length]
See Implementation
Stores new data into a GtkSelectionData object. Should only be called from a selection handler callback. Zero-terminates the stored data.