VB聲明 |
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Declare Function IntersectRect Lib "user32" Alias "IntersectRect" (lpDestRect As RECT, lpSrc1Rect As RECT, lpSrc2Rect As RECT) As Long |
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說明 |
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這個(gè)函數(shù)在lpDestRect里載入一個(gè)矩形,它是lpSrc1Rect與lpSrc2Rect兩個(gè)矩形的交集。如兩個(gè)源矩形根本未發(fā)生重疊,則lpDestRect會(huì)被設(shè)為一個(gè)空矩形 |
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返回值 |
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Long,非零表示成功,零表示失敗。會(huì)設(shè)置GetLastError |
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參數(shù)表 |
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參數(shù) |
類型及說明 |
lpDestRect |
RECT,目標(biāo)矩形,用于包含lpSrc1Rect與lpSrc2Rect兩個(gè)矩形的重合部分 |
lpSrc1Rect |
RECT,第一個(gè)源矩形 |
lpSrc2Rect |
RECT,第二個(gè)源矩形 |