XmTextFieldGetSelection - A TextField function that retrieves the value of the primary selection
#include <Xm/TextF.h>
Widget widget;
XmTextFieldGetSelection retrieves the value of the primary selection. It returns a NULL pointer if no text is selected in the widget. The application is responsible for freeing the storage associated with the string by calling XtFree.
For a complete definition of TextField and its associated resources, see XmTextField(3X).
Returns a character pointer to the string that is associated with the primary selection.