2025-11-28 00:35:46 +09:00

63 lines
1.8 KiB
C++

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
// ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
// PARTICULAR PURPOSE.
//
// Copyright (c) Microsoft Corporation. All rights reserved.
// CommandHandler.h/cpp implements the IUICommandHandler interface.
// This interface should be returned by the application during command creation.
// Also the same command handler is returned for every command.
//
#pragma once
#include <UIRibbon.h>
#include <propvarutil.h>
//
// CLASS: CCommandHandler : IUICommandHandler
//
// PURPOSE: Implements interface IUICommandHandler.
//
// COMMENTS:
//
// This is a generic command handler used by every command in this sample.
// IUICommandHandler should be returned by the application during command creation.
// The same command handler is returned for every command.
//
class CCommandHandler
: public IUICommandHandler // Command handlers must implement IUICommandHandler.
{
public:
// Static method to create an instance of this object.
__checkReturn static HRESULT CreateInstance(__deref_out CCommandHandler **ppCommandHandler);
// IUnknown methods.
STDMETHOD_(ULONG, AddRef)();
STDMETHOD_(ULONG, Release)();
STDMETHOD(QueryInterface)(REFIID iid, void** ppv);
// IUICommandHandler methods.
STDMETHOD(UpdateProperty)(UINT nCmdID,
__in REFPROPERTYKEY key,
__in_opt const PROPVARIANT* ppropvarCurrentValue,
__out PROPVARIANT* ppropvarNewValue);
STDMETHOD(Execute)(UINT nCmdID,
UI_EXECUTIONVERB verb,
__in_opt const PROPERTYKEY* key,
__in_opt const PROPVARIANT* ppropvarValue,
__in_opt IUISimplePropertySet* pCommandExecutionProperties);
private:
CCommandHandler()
: m_cRef(1)
{
};
ULONG m_cRef;
};