uTools-Manuals/src/docs/win32api/1/InSendMessageEx.html
2020-06-06 20:39:00 +08:00

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<h3>函数功能</h3>函数决定当前窗口程序是否处理另一个线程调用SendMessage在相同进程或不同进程发送来的消息。此函数与InsendMesssge相似但另外提供了如何发送消息的信息。<br>
<h3>函数原型</h3>DWORD InsendMessageExLPVOID IpReserved<br>
<h3>参数</h3>
IpReserved保留值必须为NULL。<br>
<h3>返回值</h3>如果消息没被发送返回值是ISMEX_NOSEND。否则返回值是一个或多个下列值<br>
ISMEX_CALLBACK消息是用函数SendMesssgeCallback发送的。发送此消息的线程没被阻塞。<br>
ISMEX_NOTIFY消息是用函数SendNotifyMessags发送的。发送此消息的线程没被阻塞。<br>
ISMEX_REPLIED窗口程序处理了消息。发送此消息的线程不再被阻塞。<br>
ISMEX_SEND消息是用函数SendMessage或SendMessageTimeout发送的。如果ISMEX_REPLIED没设置发送此消息的线程被阻塞。<br>
<h3>速查</h3>Wihdows NT5.0及以上版本Windows98及以上版本Wihdows CE不支持头文件winuser.h输入库user32.Iib。<br>
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