XmTextGetTopCharacter - A Text function that accesses the position of the first character displayed
#include <Xm/Text.h>
XmTextPosition XmTextGetTopCharacter (widget)
Widget widget;
XmTextGetTopCharacter accesses the position of the text at the top of the Text widget.
For a complete definition of Text and its associated resources, see XmText(3X).
Returns an XmTextPosition value that indicates the state of the XmNtopCharacter resource. This is an integer number of characters from the beginning of the text buffer. The first character position is 0.