GfxRoundRect

Lowlevel graphics 
SYNTAX  GfxRoundRect( x1, y1, x2, y2, x3, y3 ) 
RETURNS  NOTHING 
FUNCTION  Draws a rectangle with rounded corners using the current pen. The interior of the rectangle is filled using the current brush.
Parameters
NOTE: This is LOWLEVEL graphic function. To learn more about lowlevel graphic functions please read TUTORIAL: Using lowlevel graphics. 
EXAMPLE  GfxRoundRect( 10, 10, 100, 100, 15, 15 ); 
SEE ALSO  GfxRectangle() function , GfxSelectPen() function , GfxSelectSolidBrush() function 
The GfxRoundRect function is used in the following formulas in AFL online library:
See updated/extended version online.