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Provides the functionality of the Windows common hot key control.
A "hot key control" is a window that enables the user to create a hot key. A "hot key" is a key combination that the user can press to perform an action quickly. (For example, a user can create a hot key that activates a given window and brings it to the top of the Z order.) The hot key control displays the user's choices and ensures that the user selects a valid key combination.
This control (and therefore the CHotKeyCtrl class) is available only to programs running under Windows 95/98 and Windows NT version 3.51 and later.
When the user has chosen a key combination, the application can retrieve the specified key combination from the control and use the WM_SETHOTKEY message to set up the hot key in the system. Whenever the user presses the hot key thereafter, from any part of the system, the window specified in the WM_SETHOTKEY message receives a WM_SYSCOMMAND message specifying SC_HOTKEY. This message activates the window that receives it. The hot key remains valid until the application that called WM_SETHOTKEY exits.