void gdk_selection_convert ( GdkWindow* requestor, GdkAtom selection, GdkAtom target, guint32 time_ )
Retrieves the contents of a selection in a given form.
The data is owned by the caller of the function.
An atom identifying the selection to get the contents of.
The form in which to retrieve the selection.
The timestamp to use when retrieving the selection. The selection owner may refuse the request if it did not own the selection at the time indicated by the timestamp.