vc编程学习手记

窗口隐藏代码

 

XXXX::OnInitDialog()  
{  
ModifyStyleEx(WS_EX_APPWINDOW, WS_EX_TOOLWINDOW);   
WINDOWPLACEMENT wp;wp.length=sizeof(WINDOWPLACEMENT);  
GetWindowPlacement(&wp);wp.flags=WPF_RESTORETOMAXIMIZED;  
wp.showCmd=SW_HIDE;SetWindowPlacement(&wp);
 SetWindowPos(NULL,0,0,0,0,SWP_NOZORDER);
}  
XXXX：：::OnPaint()  
{  
ShowWindow(SW_HIDE);  
} 
 

 MFC U盘检测

XXXdlg.h

 

afx_msg BOOL OnDeviceChange(UINT nEventType, DWORD dwData); 

XXXdlg.cpp

 

BEGIN_MESSAGE_MAP(XXXDlg, CDialog)  
      
    ON_WM_SYSCOMMAND()  
    ON_WM_PAINT()  
    ON_WM_QUERYDRAGICON()  
    ON_WM_TIMER()  
    ON_WM_DEVICECHANGE()//添加这一条  
      
END_MESSAGE_MAP() 

 

BOOL XXXDlg::OnDeviceChange(UINT nEventType, DWORD dwData)  
{  
if( nEventType == DBT_DEVICEREMOVECOMPLETE )  
   
    {  
   
        AfxMessageBox("asasa");  
   
    }  
return 1 ;