［聲明］Declare Function EqualRgn Lib "gdi32" Alias "EqualRgn" (ByVal hSrcRgn1 As Long, ByVal hSrcRgn2 As Long) As Long［說明］確定兩個區域是否相等 ［參數表］hSrcRgn1 ------- Long，一個區域的句柄hSrcRgn2 ------- Long，區域句柄［返回值］Long，若兩區域相等為非零值。若不等為0。若有一個區域無效則返回ERRORAPI
