?? rectvisible.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>RectVisible</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">RectVisible</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 RectVisible Lib "gdi32" Alias
"RectVisible" (ByVal hdc As Long, lpRect As RECT) As Long</td>
</tr>
<tr>
<td width="100%" colspan="2">說明</td>
</tr>
<tr>
<td width="100%" colspan="2">確定指定矩形是否有部分可見（是否在設備場景剪裁區內）</td>
</tr>
<tr>
<td width="100%" colspan="2">返回值</td>
</tr>
<tr>
<td width="100%" colspan="2">Long，矩形有部分在指定設備場景剪裁區內為非零值，否則為零</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，設備場景句柄</td>
</tr>
<tr>
<td width="25%">lpRect</td>
<td width="75%">RECT，用于測試是否可見的矩形（用邏輯坐標）</td>
</tr>
<tr>
<td width="100%" colspan="2">注解</td>
</tr>
<tr>
<td width="100%" colspan="2"><p align="left">矩形的底邊和右邊不包括在lpRect內</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 + -