GetEnhMetaFileHeader
內(nèi)容
GetEnhMetaFileHeader |
VB聲明 |
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Declare Function GetEnhMetaFileHeader Lib "gdi32" Alias "GetEnhMetaFileHeader" (ByVal hemf As Long, ByVal cbBuffer As Long, lpemh As ENHMETAHEADER) As Long |
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說明 |
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取得增強(qiáng)型圖元文件的圖元文件頭 |
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返回值 |
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Long，若lpemh為零（用ByVal As Long在這種情況下傳遞一個(gè)NULL參數(shù)）則必須設(shè)置緩沖區(qū)的長度。如執(zhí)行成功，返回緩沖區(qū)中實(shí)際載入的字節(jié)數(shù)；零表示失敗 |
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參數(shù)表 |
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參數(shù) |
類型及說明 |
hemf |
Long，指向一個(gè)增強(qiáng)型圖元文件的句柄 |
cbBuffer |
Long，ENHMETAHEADER結(jié)構(gòu)的大小 |
lpemh |
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