XmTextFieldClearSelection - Man Page
A TextField function that clears the primary selection
Synopsis
#include <Xm/TextF.h> void XmTextFieldClearSelection( Widget widget, Time time);
Description
XmTextFieldClearSelection clears the primary selection in the TextField widget.
- widget
- Specifies the TextField widget ID. 
- time
- Specifies the time at which the selection value is desired. This should be the time of the event that triggered this request. 
For a complete definition of TextField and its associated resources, see XmTextField(3).