--- C:/Temp/surface.c-revBASE.svn000.tmp.c Mo Apr 17 17:48:56 2017 +++ Z:/Software/ReactOS/src/win32ss/gdi/eng/surface.c Di Apr 18 21:59:44 2017 @@ -313,6 +313,11 @@ EngCreateBitmap( PSURFACE psurf; HBITMAP hbmp; + if (lWidth < 0) + { + lWidth=0; + } + /* Allocate a surface */ psurf = SURFACE_AllocSurface(STYPE_BITMAP, sizl.cx,