Xmchangecolor recalculates all associated colors of a widget "xmchangecolor" "color functions" "xmchangecolor"
#include <Xm/Xm.h> void XmChangeColor( Widget widget, Pixel background);
XmChangeColor handles all color modifications for the specified widget when a new background pixel value is specified. This function recalculates the foreground, select, and shadow colors based on the new background color and sets the corresponding resources for the widget. If a color calculation procedure has been set by a call to XmSetColorCalculation, XmChangeColor uses that procedure to calculate the new colors. Otherwise, the routine uses a default procedure.
Specifies the widget ID whose colors will be updated
Specifies the background color pixel value