//-------------------MFC_TESTDlg.h

afx_msg void OnHotKey(UINT nHotKeyId, UINT nKey1, UINT nKey2); //声明消息处理函数


//-------------------MFC_TESTDlg.cpp
ON_WM_HOTKEY()        //消息映射宏,绑定消息与相应处理函数

void CMFC_TESTDlg::OnHotKey(UINT nHotKeyId, UINT nKey1, UINT nKey2) //实现消息处理函数
{
    // TODO: 在此添加消息处理程序代码和/或调用默认值

    CDialogEx::OnHotKey(nHotKeyId, nKey1, nKey2);
}

//Defines a system-wide hot key.
BOOL WINAPI RegisterHotKey(//https://msdn.microsoft.com/en-us/library/ms646309(v=vs.85).aspx
  _In_opt_ HWND hWnd,            //接收热键触发事件的窗口句柄
  _In_     int  id,                //热键的ID,应用程序ID范围 [0x0000,0xBFFF].DLL范围[0xC000~0xFFFF]
  _In_     UINT fsModifiers,    //声明组合键中的 Alt(MOD_ALT)、Ctrl(MOD_CONTROL)、Shift(MOD_SHIFT)、Win键(MOD_WIN)、MOD_NOREPEAT 或者其组合
  _In_     UINT vk                //普通按键的代码(例如‘A‘)，其他见https://msdn.microsoft.com/en-us/library/dd375731(v=vs.85).aspx
);

//Frees a hot key previously registered by the calling thread.
BOOL WINAPI UnregisterHotKey(//https://msdn.microsoft.com/en-us/library/ms646327(v=vs.85).aspx
  _In_opt_ HWND hWnd,            //接收热键触发事件的窗口句柄
  _In_     int  id                //热键的ID 

//WM_CREATE Event Proc Handler
int CMFC_TESTDlg::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
    if (CDialogEx::OnCreate(lpCreateStruct) == -1)
        return -1;

    // TODO:  在此添加您专用的创建代码
    //注册热键 Ctrl + S(s)
    RegisterHotKey(this->GetSafeHwnd(), 1001, MOD_CONTROL, ‘S‘);
    RegisterHotKey(this->GetSafeHwnd(), 1002, MOD_CONTROL, ‘s‘);
    //注册热键 Ctrl + F1(不重复，不会连续收到多次)
    RegisterHotKey(this->GetSafeHwnd(), 1003, MOD_CONTROL | MOD_NOREPEAT, VK_F1);
    return 0;
}

//WM_DESTROY Event Proc Handler
void CMFC_TESTDlg::OnDestroy()
{
    CDialogEx::OnDestroy();

    // TODO: 在此处添加消息处理程序代码
    //解除热键注册
    UnregisterHotKey(this->GetSafeHwnd(), 1001);
    UnregisterHotKey(this->GetSafeHwnd(), 1002);
    UnregisterHotKey(this->GetSafeHwnd(), 1003);
}

void CMFC_TESTDlg::OnHotKey(UINT nHotKeyId, UINT nKey1, UINT nKey2)
{
    // TODO: 在此添加消息处理程序代码和/或调用默认值
    switch (nHotKeyId) {
    case 1001:
    case 1002:
        //proc Ctrl + S here
        break;
    case 1003:
        //proc Ctrl + F1 here
        break;

    default:
        break;
    }

    CDialogEx::OnHotKey(nHotKeyId, nKey1, nKey2);
}