In the VFP (ver 9) help file, there is an example of calling the Win32 function GetSysColor(); look at the topic:

"Use API Functions That Require Pointers to Arrays Sample"

You can find it at the following drill-down in the help file:

Contents ->
Microsoft Visual FoxPro 9.0 ->
Samples and Walkthroughs ->
Samples ->
Solution Samples ->
Windows API Solution Samples ->
Use API Functions That Require Pointers to Arrays Sample