XmStringExtent - Man Page
A compound string function that determines the size of the smallest rectangle that will enclose the compound string
Synopsis
#include <Xm/Xm.h> void XmStringExtent( XmRenderTable rendertable, XmString string, Dimension *width, Dimension *height);
Description
XmStringExtent determines the width and height, in pixels, of the smallest rectangle that will enclose the provided compound string.
- rendertable
- Specifies the render table 
- string
- Specifies the string 
- width
- Specifies a pointer to the width of the rectangle 
- height
- Specifies a pointer to the height of the rectangle