XmStringHeight - A compound string function that returns the line height of the given compound string
#include <Xm/Xm.h>
Dimension XmStringHeight (fontlist, string)
XmFontList fontlist;
XmString string;
XmStringHeight returns the height, in pixels, of the sum of all the line heights of the given compound string. Separator components delimit lines.
Returns the height of the specified string.