?? createdibitmap.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>CreateDIBitmap</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">CreateDIBitmap</td>
</tr>
</table>
</center></div><div align="center"><center>
<table border="1" width="100%" bordercolorlight="#808080" cellspacing="0"
bordercolordark="#FFFFFF">
<tr>
<td width="100%" colspan="2">VB聲明</td>
</tr>
<tr>
<td width="100%" colspan="2">Declare Function CreateDIBitmap Lib "gdi32" Alias
"CreateDIBitmap" (ByVal hdc As Long, lpInfoHeader As BITMAPINFOHEADER, ByVal
dwUsage As Long, lpInitBits As Any, lpInitInfo As BITMAPINFO, ByVal wUsage As Long) As
Long</td>
</tr>
<tr>
<td width="100%" colspan="2">說明</td>
</tr>
<tr>
<td width="100%" colspan="2">根據一幅與設備無關的位圖創建一幅與設備有關的位圖</td>
</tr>
<tr>
<td width="100%" colspan="2">返回值</td>
</tr>
<tr>
<td width="100%" colspan="2">Long,執行成功返回位圖句柄,零表示失敗</td>
</tr>
<tr>
<td width="100%" colspan="2">參數表</td>
</tr>
<tr>
<td width="25%">參數</td>
<td width="75%">類型及說明</td>
</tr>
<tr>
<td width="25%">hdc</td>
<td width="75%">Long,一個設備場景的句柄,該設備場景定義了要創建的與設備有關位圖的配置信息</td>
</tr>
<tr>
<td width="25%">lpInfoHeader</td>
<td width="75%">BITMAPINFOHEADER,對DIB(與設備無關位圖)的格式進行描述的一個結構</td>
</tr>
<tr>
<td width="25%">dwUsage</td>
<td width="75%">Long,如不應對位圖數據進行初始化,那么設為零。如設為CBM_INIT,表示根據lpInitBits
和 lpInitInfo參數對位圖進行初始化</td>
</tr>
<tr>
<td width="25%">lpInitBits</td>
<td width="75%">Any,指向DIB格式中的位圖數據的一個指針,格式是由lpInitInfo指定的</td>
</tr>
<tr>
<td width="25%">lpInitInfo</td>
<td width="75%">BITMAPINFO,這個結構對lpInitBits DIB的格式及顏色進行了說明</td>
</tr>
<tr>
<td width="25%">wUsage</td>
<td width="75%">Long,下述常數之一:<br>
DIB_PAL_COLORS——顏色表包含對當前選定的調色板的索引<br>
DIB_RGB_COLORS——顏色表包含了RGB顏色</td>
</tr>
<tr>
<td width="100%" colspan="2">注解</td>
</tr>
<tr>
<td width="100%" colspan="2"><p align="left">一旦不再需要,記住用<a
href="DeleteObject.htm" tppabs="http://www.gxbcts.com/airfly/api/papi/DeleteObject.htm">DeleteObject</a>函數釋放位圖占用的內存及資源</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 + -