PaintRgn

hRgn Lon Lon

［聲明］
Declare Function PaintRgn Lib "gdi32" (ByVal hdc As Long, ByVal hRgn As Long) As Long
［說明］
用當前刷子背景色填充指定區域
［參數表］
hdc ------------ Long，設備場景句柄
hRgn ----------- Long，將填充的區域句柄
［返回值］
Long，執行成功為非零值，失敗為0