81 lines
1.4 KiB
C++
81 lines
1.4 KiB
C++
/*++
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Copyright (c) Microsoft Corporation. All rights reserved.
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--*/
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#ifndef __MAINWND__
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#define __MAINWND__
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#include "EventCallback.h"
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//////////////////////////////////////////////////////////////////////////
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//
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// CMainWindow
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//
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/*++
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CMainWindow is the main MDI frame window. It is descended from IUnknown
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for reference counting.
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Methods
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Register
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Registers the window class
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DoModal
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Invokes the window and returns when the main window is closed.
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WindowProc
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Processes window messages.
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OnFromScannerOrCamera
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Displays the WIA device selection, image selection and image tranfer
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dialogs to transfer one or multiple images from a WIA device when the
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user selects "From Scanner Or Camera..." menu item.
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--*/
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class CMainWindow : public IUnknown
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{
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public:
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CMainWindow();
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// IUnknown interface
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STDMETHOD(QueryInterface)(REFIID iid, LPVOID *ppvObj);
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STDMETHOD_(ULONG, AddRef)();
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STDMETHOD_(ULONG, Release)();
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// CMainWindow methods
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static ATOM Register();
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int DoModal();
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private:
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static
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LRESULT
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CALLBACK
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WindowProc(
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HWND hWnd,
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UINT uMsg,
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WPARAM wParam,
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LPARAM lParam
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);
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LRESULT OnFromScannerOrCamera();
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private:
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LONG m_cRef;
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HWND m_hMDIClient;
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LONG m_nNumImages;
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BOOL m_bDisplayWaitCursor;
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CComPtr<WiaWrap::CEventCallback> m_pEventCallback;
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};
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#endif //__MAINWND__
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