65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
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//
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//
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// lockout.h - Header file for CLockOut
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//
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//
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/*
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Before creating any dialog box. Create and instance of this class.
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This class will disable all toplevel windows which are in the same process.
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This prevents the user from distroying the window while a dialog box is up.
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*/
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#ifndef __LOCKOUT_H__
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#define __LOCKOUT_H__
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///////////////////////////////////////////////////////////
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//
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// constants
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//
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const int c_MaxWindows = 256 ;
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///////////////////////////////////////////////////////////
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//
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//
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class CLockOut
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{
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public:
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// Construction
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CLockOut() ;
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virtual ~CLockOut() ;
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// Main function.
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void LockOut(HWND hwndOwner) ;
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// Enable the windows.
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void Unlock() ;
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//--- Callbacks
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private:
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// Member callback
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BOOL EnumWindowProc(HWND hwnd) ;
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// Static callback
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static BOOL CALLBACK s_EnumWindowProc(HWND hwnd, LPARAM lparam) ;
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//--- Member Variables.
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private:
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// Array which holds the disabled top level windows.
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HWND m_HwndDisabled[c_MaxWindows] ; //TODO: This array needs to grow.
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// Status flag
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bool m_bLocked ;
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//--- Variables used in the EnumWindows Proc.
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// Number of windows disabled.
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int m_CountDisabled ;
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// The process id of the dialogs app.
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DWORD m_ProcessId ;
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};
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#endif // __LOCKOUT_H__
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