WMFFOREGND system variable
Function Description:
The WMFFOREGND system variable is used to specify the foreground color when inserting an object as WMF format.
Type : Integer 
Saved in : Not saved 
Initial value : off
Users could use one of the following way to insert objects: Export WMF file by WMFOUT command 
Copy to clipboard and paste as WMF files 
Drag as WMF files 
The WMFFOREGND will be applied when WMFBKGND system variable is turned off.
System Variable Value:
Off : if necessary, exchange foreground color and background color to make sure that the foreground is darker than background color 
On : if necessary, exchange foreground color and background color to make sure that the foreground is brighter than background color