?? ptinrect.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>PtInRect</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"><a name="PtInRect">PtInRect</a></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 PtInRect Lib "user32" Alias
"PtInRect" (lpRect As RECT, pt As POINTAPI) As Long</td>
</tr>
<tr>
<td width="100%" colspan="2">說明</td>
</tr>
<tr>
<td width="100%" colspan="2">這個(gè)函數(shù)判斷指定的點(diǎn)是否位于矩形lpRect內(nèi)部</td>
</tr>
<tr>
<td width="100%" colspan="2">返回值</td>
</tr>
<tr>
<td width="100%" colspan="2">Long，非零表示成功，零表示失敗。會(huì)設(shè)置<a
href="GetLastError.htm">GetLastError</a></td>
</tr>
<tr>
<td width="100%" colspan="2">參數(shù)表</td>
</tr>
<tr>
<td width="25%">參數(shù)</td>
<td width="75%">類型及說明</td>
</tr>
<tr>
<td width="25%">lpRect</td>
<td width="75%"><a href="RECT.htm">RECT</a>，欲檢查的矩形</td>
</tr>
<tr>
<td width="25%">pt</td>
<td width="75%"><a href="POINTAPI.htm">POINTAPI</a>，欲判斷的點(diǎn)</td>
</tr>
<tr>
<td width="100%" colspan="2">注解</td>
</tr>
<tr>
<td width="100%" colspan="2"><p align="left">如點(diǎn)位于矩形四邊之內(nèi)，或矩形的頂部或左側(cè)邊線上，則認(rèn)為它在矩形內(nèi)部。如位于矩形的右側(cè)或底部邊線，則不認(rèn)為它在矩形內(nèi)部</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"><a href="#PtInRect">Top</a></td>
</tr>
</table>
</center></div>
</body>
</html>
?? 快捷鍵說明
復(fù)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 + -