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 ;