Well, a few things comes to mind:

1) WinDrawChars uses the textColor rather than the foreColor. Have you
called WinSetForeColor? Perhaps the foreColor is the same as the backColor?

2) What is rP? If the extent is zero or negative in either x or y, then it
may not draw.

3) Verify your clipping bounds. This would affect both text and rectangles,
but best to be sure. Call WinGetClip and use the debugger to verify that the
resulting rectangle covers the region you're drawing on.
-- 
Peter Epstein

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