subject_42666.htm

一些关于vc的问答

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序号：42666 发表者：xujin 发表日期：2003-06-05 05:12:33
<br>主题：注册表读取出错!!!(向大侠求救)
<br>内容：HKEY key;<BR>BYTE *i;<BR>DWORD type,c;<BR>type=REG_BINARY;<BR>if(RegOpenKeyEx(KEY_CURRENT_USER,"Software\\XU_COMPANY\\Option",0,KEY_READ,&amp;key)==ERROR_SUCCESS)<BR>{<BR>&nbsp;&nbsp;&nbsp;&nbsp;RegQueryValueEx(key,"BUTTON",NULL,&amp;type,i,&amp;c);\\这一步执行不了,提示:ACCESS VIOLATION 可是要是定义成BYTE型,而在这里使用<BR>RegQueryValueEx(key,"BUTTON",NULL,&amp;type,&amp;i,&amp;c);可以执行<BR>&nbsp;&nbsp;&nbsp;&nbsp;<BR>}<BR><BR><BR><BR><BR>2003-6-5 5:26:21