oaproperty.cs :  » Installers-Generators » WiX » Microsoft » VisualStudio » Package » Automation » C# / CSharp Open Source

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C# / CSharp Open Source » Installers Generators » WiX 
WiX » Microsoft » VisualStudio » Package » Automation » oaproperty.cs
/***************************************************************************

Copyright (c) Microsoft Corporation. All rights reserved.
This code is licensed under the Visual Studio SDK license terms.
THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.

***************************************************************************/

using System;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.Shell;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.Collections;
using System.Diagnostics;
using System.Runtime.Serialization;
using System.Reflection;
using IServiceProviderSystem.IServiceProvider;
using Microsoft.VisualStudio.OLE.Interop;
using EnvDTE;

namespace Microsoft.VisualStudio.Package.Automation{
  [CLSCompliant(false), ComVisible(true)]
  public class OAProperty : EnvDTE.Property
  {
    #region fields
    private OAProperties parent;
    private PropertyInfo pi;
    #endregion

    #region ctors

    public OAProperty(OAProperties parent, PropertyInfo pi)
    {
      this.parent = parent;
      this.pi = pi;
    }
    #endregion

    #region EnvDTE.Property
    /// <summary>
    /// Microsoft Internal Use Only.
    /// </summary>
    public object Application
    {
      get { return null; }
    }

    /// <summary>
    /// Gets the Collection containing the Property object supporting this property.
    /// </summary>
    public EnvDTE.Properties Collection
    {
      get
      {
        //todo: EnvDTE.Property.Collection
        return this.parent;
      }
    }

    /// <summary>
    /// Gets the top-level extensibility object.
    /// </summary>
    public EnvDTE.DTE DTE
    {
      get
      {
        return this.parent.DTE;
      }
    }

    /// <summary>
    /// Returns one element of a list. 
    /// </summary>
    /// <param name="index1">The index of the item to display.</param>
    /// <param name="index2">The index of the item to display. Reserved for future use.</param>
    /// <param name="index3">The index of the item to display. Reserved for future use.</param>
    /// <param name="index4">The index of the item to display. Reserved for future use.</param>
    /// <returns>The value of a property</returns>
    public object get_IndexedValue(object index1, object index2, object index3, object index4)
    {
      ParameterInfo[] par = pi.GetIndexParameters();
      int len = Math.Min(par.Length, 4);
      if (len == 0) return this.Value;
      object[] index = new object[len];
      Array.Copy(new object[4] { index1, index2, index3, index4 }, index, len);
      return this.pi.GetValue(this.parent.Target, index);
    }

    /// <summary>
    /// Setter function to set properties values. 
    /// </summary>
    /// <param name="value"></param>
    public void let_Value(object value)
    {
      this.Value = value;
    }

    /// <summary>
    /// Gets the name of the object.
    /// </summary>
    public string Name
    {
      get
      {
        return pi.Name;
      }
    }

    /// <summary>
    /// Gets the number of indices required to access the value.
    /// </summary>
    public short NumIndices
    {
      get { return (short)pi.GetIndexParameters().Length; }
    }

    /// <summary>
    /// Sets or gets the object supporting the Property object.
    /// </summary>
    public object Object
    {
      get
      {
        return this.parent.Target;
      }
      set
      {
      }
    }

    /// <summary>
    /// Microsoft Internal Use Only.
    /// </summary>
    public EnvDTE.Properties Parent
    {
      get { return this.parent; }
    }

    /// <summary>
    /// Sets the value of the property at the specified index.
    /// </summary>
    /// <param name="index1">The index of the item to set.</param>
    /// <param name="index2">Reserved for future use.</param>
    /// <param name="index3">Reserved for future use.</param>
    /// <param name="index4">Reserved for future use.</param>
    /// <param name="value">The value to set.</param>
    public void set_IndexedValue(object index1, object index2, object index3, object index4, object value)
    {
      ParameterInfo[] par = pi.GetIndexParameters();
      int len = Math.Min(par.Length, 4);
      if (len == 0)
      {
        this.Value = value;
      }
      else
      {
        object[] index = new object[len];
        Array.Copy(new object[4] { index1, index2, index3, index4 }, index, len);

        IVsExtensibility3 extensibility = this.parent.Target.Node.ProjectMgr.Site.GetService(typeof(IVsExtensibility)) as IVsExtensibility3;

        if (extensibility == null)
        {
          throw new InvalidOperationException();
        }

        extensibility.EnterAutomationFunction();

        try
        {
          this.pi.SetValue(this.parent.Target, value, index);
        }
        finally
        {
          extensibility.ExitAutomationFunction();
        }
      }

    }

    /// <summary>
    /// Gets or sets the value of the property returned by the Property object.
    /// </summary>
    public object Value
    {
      get { return pi.GetValue(this.parent.Target, null); }
      set
      {
        IVsExtensibility3 extensibility = this.parent.Target.Node.ProjectMgr.Site.GetService(typeof(IVsExtensibility)) as IVsExtensibility3;

        if (extensibility == null)
        {
          throw new InvalidOperationException();
        }

        extensibility.EnterAutomationFunction();

        try
        {
          this.pi.SetValue(this.parent.Target, value, null);
        }
        finally
        {
          extensibility.ExitAutomationFunction();
        }
      }
    }
    #endregion
  }
}
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