89 lines
2.5 KiB
C#
89 lines
2.5 KiB
C#
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/* ****************************************************************************
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*
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* Copyright (c) Microsoft Corporation.
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*
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* This source code is subject to terms and conditions of the Apache License, Version 2.0. A
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* copy of the license can be found in the License.html file at the root of this distribution. If
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* you cannot locate the Apache License, Version 2.0, please send an email to
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* vspython@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
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* by the terms of the Apache License, Version 2.0.
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*
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* You must not remove this notice, or any other, from this software.
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*
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* ***************************************************************************/
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using System;
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using System.Runtime.InteropServices;
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namespace Microsoft.VisualStudio.Project.Automation {
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/// <summary>
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/// This object defines a so called null object that is returned as instead of null. This is because callers in VSCore usually crash if a null propery is returned for them.
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/// </summary>
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[ComVisible(true)]
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public class OANullProperty : EnvDTE.Property {
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#region fields
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private OAProperties parent;
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#endregion
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#region ctors
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public OANullProperty(OAProperties parent) {
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this.parent = parent;
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}
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#endregion
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#region EnvDTE.Property
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public object Application {
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get { return String.Empty; }
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}
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public EnvDTE.Properties Collection {
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get {
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//todo: EnvDTE.Property.Collection
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return this.parent;
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}
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}
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public EnvDTE.DTE DTE {
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get { return null; }
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}
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public object get_IndexedValue(object index1, object index2, object index3, object index4) {
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return String.Empty;
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}
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public void let_Value(object value) {
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//todo: let_Value
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}
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public string Name {
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get { return String.Empty; }
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}
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public short NumIndices {
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get { return 0; }
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}
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public object Object {
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get { return this.parent.Target; }
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set {
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}
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}
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public EnvDTE.Properties Parent {
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get { return this.parent; }
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}
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public void set_IndexedValue(object index1, object index2, object index3, object index4, object value) {
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}
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public object Value {
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get { return String.Empty; }
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set { }
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}
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#endregion
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}
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}
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