?? getenhmetafilebits.htm
字號:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 3.0">
<style><!--
body,table {font-family:"宋體"; font-size: 9pt; line-height:11pt;}
a {text-decoration:none} a:hover {color:red;text-decoration:underline}
--></style>
<title>GetEnhMetaFileBits</title>
</head>
<body link="#FF0000" vlink="#FF0000" alink="#FF0000" bgcolor=#E2DEE9>
<div align="center"><center>
<table border="0" width="100%" height="22" cellspacing="0" cellpadding="0">
<tr>
<td width="100%" height="16">GetEnhMetaFileBits</td>
</tr>
</table>
</center></div><div align="center"><center>
<table border="1" width="100%" bordercolorlight="#808080" cellspacing="0"
bordercolordark="#FFFFFF">
<tr>
<td width="102%" colspan="2">VB聲明</td>
</tr>
<tr>
<td width="102%" colspan="2">Declare Function GetEnhMetaFileBits Lib "gdi32"
Alias "GetEnhMetaFileBits" (ByVal hemf As Long, ByVal cbBuffer As Long,
lpbBuffer As Byte) As Long</td>
</tr>
<tr>
<td width="102%" colspan="2">說明</td>
</tr>
<tr>
<td width="102%" colspan="2">將指定的增強型圖元文件復制到一個內存緩沖區里。這個函數可用于取得一個圖元文件的原始數據,以便將其保存到磁盤文件中</td>
</tr>
<tr>
<td width="102%" colspan="2">返回值</td>
</tr>
<tr>
<td width="102%" colspan="2">Long,如lpbBuffer為零,則必須設置緩沖區的長度(用ByVal
As Long在這種情況下傳遞一個NULL參數)。如執行成功,返回緩沖區實際載入的字節數;零表示執行失敗</td>
</tr>
<tr>
<td width="102%" colspan="2">參數表</td>
</tr>
<tr>
<td width="25%">參數</td>
<td width="77%">類型及說明</td>
</tr>
<tr>
<td width="25%">hemf</td>
<td width="77%">Long,指向一個增強型圖元文件的句柄</td>
</tr>
<tr>
<td width="25%">cbBuffer</td>
<td width="77%">Long,lpbBuffer緩沖區的長度</td>
</tr>
<tr>
<td width="25%">lpbBuffer</td>
<td width="77%">Byte,長度為cbBuffer的一個緩沖區的頭一個字節。可用一個別名,將這個參數定義成ByVal
As Long,以便傳遞一個內存地址</td>
</tr>
<tr>
<td width="102%" colspan="2">注解</td>
</tr>
<tr>
<td width="102%" colspan="2"><p align="left">調用了這個函數后,圖元文件句柄hemf仍然有效</td>
</tr>
</table>
</center></div><div align="center"><center>
<table border="0" width="100%" cellspacing="0" cellpadding="0">
<tr>
<td width="100%"><p align="right">Top</td>
</tr>
</table>
</center></div>
</body>
</html>
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -