83 lines
1.8 KiB
C
83 lines
1.8 KiB
C
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//+----------------------------------------------------------------------------
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//
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// File: cm_misc.h
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//
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// Module: CMDIAL32.DLL
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//
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// Synopsis: Implements the CFreezeWindow Class
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//
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// Copyright (c) 1998-1999 Microsoft Corporation
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//
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// Author: henryt Created 01/13/98
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//
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//+----------------------------------------------------------------------------
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#ifndef _CM_MISC_INC
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#define _CM_MISC_INC
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extern HINSTANCE g_hInst; // the instance handle for resource
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//
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// A helper class to auto disable/enable window
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// The constructor will disable the window, the distructor will enable the window
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//
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class CFreezeWindow
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{
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public:
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CFreezeWindow(HWND hWnd, BOOL fDisableParent = FALSE)
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{
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//
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// Disable the window
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// To disable a property page, the property sheet also need to be disabled
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//
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m_hWnd = hWnd;
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if (m_hWnd)
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{
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m_fDisableParent = fDisableParent;
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//
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// Store the currently focuse window
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//
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m_hFocusWnd = GetFocus();
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EnableWindow(m_hWnd, FALSE);
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if (fDisableParent)
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{
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EnableWindow(GetParent(m_hWnd), FALSE);
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}
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}
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}
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~CFreezeWindow()
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{
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if (m_hWnd)
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{
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EnableWindow(m_hWnd, TRUE);
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if (m_fDisableParent)
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{
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EnableWindow(GetParent(m_hWnd), TRUE);
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}
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//
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// Restore focus to the previously focuses window if any.
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// Its just the right thing to do.
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//
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if (m_hFocusWnd)
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{
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SetFocus(m_hFocusWnd);
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}
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}
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}
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protected:
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HWND m_hWnd;
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HWND m_hFocusWnd;
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BOOL m_fDisableParent;
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};
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#endif
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