?? drawescape.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>DrawEscape</title>
</head>
<body link="#FF0000" vlink="#FF0000" alink="#FF0000" bgcolor="#FFC8C8">
<div align="center"><center>
<table border="0" width="100%" height="22" cellspacing="0" cellpadding="0">
<tr>
<td width="100%" height="16">DrawEscape</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 DrawEscape Lib "gdi32" Alias
"DrawEscape" (ByVal hdc As Long, ByVal nEscape As Long, ByVal cbInput As Long,
ByVal lpszInData As String) As Long</td>
</tr>
<tr>
<td width="102%" colspan="2">說明</td>
</tr>
<tr>
<td width="102%" colspan="2">換碼（Escape）函數將數據直接發至顯示設備驅動程序（在vb里使用：能夠使用。但由于Escape對設備有較強的依賴性，所以除非萬不得以，盡量不要用它）</td>
</tr>
<tr>
<td width="102%" colspan="2">返回值</td>
</tr>
<tr>
<td width="102%" colspan="2">Long，非零表示成功，零表示錯誤（QUERYESCSUPPORT換碼例外；返回TRUE表示支持特定的換碼；否則返回零）</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%">hdc</td>
<td width="77%">Long，顯示設備的設備場景</td>
</tr>
<tr>
<td width="25%">nEscape</td>
<td width="77%">Long，指定欲執行的換碼的一個常數</td>
</tr>
<tr>
<td width="25%">cbInput</td>
<td width="77%">Long，輸入緩沖區的長度</td>
</tr>
<tr>
<td width="25%">lpszInData</td>
<td width="77%">String，輸入字串或緩沖區</td>
</tr>
<tr>
<td width="102%" colspan="2">注解</td>
</tr>
<tr>
<td width="102%" colspan="2"><p align="left">可用QUERYESCSUPPORT換碼判斷一個特定的換碼是否得到當前顯示驅動程序的支持</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 + -