postmessage消息无反应
我在线程里面想发送一个postmessage用于保存图片,但是消息发送后,却没有反应,找不出原因
头文件:
const UINT WM_GRAB_FINISHED = WM_APP;
afx_msg LRESULT OnGrabFinished(WPARAM wParam, LPARAM lParam);
.cpp中
ON_MESSAGE(WM_GRAB_FINISHED, OnGrabFinished)//添加消息映射
PostMessage (WM_GRAB_FINISHED, NULL, NULL );
afx_msg LRESULT C针的抖动检测vc200Dlg::OnGrabFinished(WPARAM wParam, LPARAM lParam)
{
CString Buffer;
Buffer.Format (m_path + "\\"+"image_%02d.bmp", m_LastGrabbedImage->GetID());
CImagePersistence::Save(ImageFileFormat_Bmp, (String_t)Buffer, m_LastGrabbedImage);//图片保存
return 0;
}
请问我哪里写错了,编译的时候没有报错,就是执行不到消息的里面