﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-为实现梦想而努力-文章分类-C</title><link>http://www.blogjava.net/mlxlzc/category/31538.html</link><description /><language>zh-cn</language><lastBuildDate>Fri, 16 May 2008 04:05:01 GMT</lastBuildDate><pubDate>Fri, 16 May 2008 04:05:01 GMT</pubDate><ttl>60</ttl><item><title>vc ocx 接口参数的修改</title><link>http://www.blogjava.net/mlxlzc/articles/200816.html</link><dc:creator>goto</dc:creator><author>goto</author><pubDate>Fri, 16 May 2008 02:51:00 GMT</pubDate><guid>http://www.blogjava.net/mlxlzc/articles/200816.html</guid><wfw:comment>http://www.blogjava.net/mlxlzc/comments/200816.html</wfw:comment><comments>http://www.blogjava.net/mlxlzc/articles/200816.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/mlxlzc/comments/commentRss/200816.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/mlxlzc/services/trackbacks/200816.html</trackback:ping><description><![CDATA[<p>在com组件的制作过程中 对接口参数的调整是难以避免的，如果不知道就会有许多的问题<br />
比较显示的修改有 ctl.h&nbsp; ctl.cpp odl 文件<br />
但容易忽略的是 ctl.cpp中的<font color="#ff0000"><strong>DISP_FUNCTION</strong> <font color="#000000">宏也需要修改<br />
DISP_FUNCTION(CUnbankCtrl, "send", send, VT_I2, VTS_BSTR VTS_BSTR)<br />
这个表示 输出为short 输入为两个bstr。增加一个bstr这里就要改为如下：</font></font></p>
<p>DISP_FUNCTION(CUnbankCtrl, "send", send, VT_I2, VTS_BSTR VTS_BSTR <font color="#ff0000">VTS_BSTR</font>)</p>
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