XmStringBaseline - Man Page
A compound string function that returns the number of pixels between the top of the character box and the baseline of the first line of text
Synopsis
#include <Xm/Xm.h> Dimension XmStringBaseline( XmRenderTable rendertable, XmString string);
Description
XmStringBaseline returns the number of pixels between the top of the character box and the baseline of the first line of text in the provided compound string.
- rendertable
- Specifies the render table 
- string
- Specifies the string 
Return
Returns the number of pixels between the top of the character box and the baseline of the first line of text.