If the current marker set does not contain a symbol that suits your application, you can load a new marker set and select a marker symbol from that set. The only way to see the current marker set is to display it on the screen or view a hardcopy of the symbols. You load a new marker set for a specified presentation space by creating a logical font. Then you select the font as a marker set by specifying the logical font identifer (lcid) as an input parameter to GpiSetMarkerSet. After selecting the marker set, call GpiSetMarker to select a marker from the set. You can set both values simultaneously, with GpiSetAttrs.
You can use any font's character set as a marker set and any character within that marker set as a marker. To determine the value that identifies the current marker set, call GpiQueryMarkerSet. To determine the value that identifies the current marker character, call GpiQueryMarker. You can retrieve both values simultaneously with GpiQueryAttrs. You also can create image marker symbols using the Font Editor.