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/* Copyright (c) 2014 Dr David H. Akehurst (itemis), All Rights Reserved
 *
 * The contents of this file is dual-licensed under 2
 * alternative Open Source/Free licenses: LGPL 2.1 or later and
 * Apache License 2.0. (starting with JNA version 4.0.0).
 *
 * You can freely decide which license you want to apply to
 * the project.
 *
 * You may obtain a copy of the LGPL License at:
 *
 * http://www.gnu.org/licenses/licenses.html
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "LGPL2.1".
 *
 * You may obtain a copy of the Apache License at:
 *
 * http://www.apache.org/licenses/
 *
 * A copy is also included in the downloadable source code package
 * containing JNA, in file "AL2.0".
 */
package com.sun.jna.platform.win32.COM;

import com.sun.jna.Pointer;
import com.sun.jna.platform.win32.WinNT;
import com.sun.jna.platform.win32.WinDef.ULONG;
import com.sun.jna.platform.win32.WinDef.ULONGByReference;
import com.sun.jna.platform.win32.WinNT.HRESULT;
import com.sun.jna.ptr.PointerByReference;

public class EnumMoniker extends Unknown implements IEnumMoniker {

    public EnumMoniker(Pointer pointer) {
        super(pointer);
    }

    // The magic number values for (vTableId) below, are worked out by
    // counting the number of methods in the full interface (0 indexed), as this
    // inherits IUnknown, which has 3 methods, we start here at 3.

    @Override
    public HRESULT Next(ULONG celt, PointerByReference rgelt, ULONGByReference pceltFetched) {
        final int vTableId = 3;

        WinNT.HRESULT hr = (WinNT.HRESULT) this._invokeNativeObject(vTableId, new Object[]{this.getPointer(), celt,
            rgelt, pceltFetched}, WinNT.HRESULT.class);

        return hr;
    }

    @Override
    public HRESULT Skip(ULONG celt) {
        final int vTableId = 4;

        WinNT.HRESULT hr = (WinNT.HRESULT) this._invokeNativeObject(vTableId, new Object[] { this.getPointer(), celt },
                WinNT.HRESULT.class);

        return hr;
    }

    @Override
    public HRESULT Reset() {
        final int vTableId = 5;

        WinNT.HRESULT hr = (WinNT.HRESULT) this._invokeNativeObject(vTableId, new Object[] { this.getPointer(), },
                WinNT.HRESULT.class);

        return hr;
    }

    @Override
    public HRESULT Clone(PointerByReference ppenum) {
        final int vTableId = 6;

        WinNT.HRESULT hr = (WinNT.HRESULT) this._invokeNativeObject(vTableId,
                new Object[] { this.getPointer(), ppenum }, WinNT.HRESULT.class);

        return hr;
    }
}