108 lines
3.3 KiB
C#
108 lines
3.3 KiB
C#
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//-------------------------------------------------------------
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// <copyright company=<3D>Microsoft Corporation<6F>>
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// Copyright <20> Microsoft Corporation. All Rights Reserved.
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// </copyright>
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//-------------------------------------------------------------
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// @owner=alexgor, deliant
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//=================================================================
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// File: ChartAreaCollection.cs
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//
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// Namespace: System.Web.UI.WebControls[Windows.Forms].Charting
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//
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// Classes: ChartAreaCollection
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//
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// Purpose: ChartAreaCollection class represents a strongly
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// typed collection of ChartArea objects.
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//
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// Reviewed: GS - Aug 8, 2002
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// AG - Aug 8, 2002
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// AG - Microsoft 16, 2007
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//
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//===================================================================
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#region Used namespaces
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using System;
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using System.Collections;
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using System.Drawing;
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using System.ComponentModel;
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#endregion
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#if Microsoft_CONTROL
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namespace System.Windows.Forms.DataVisualization.Charting
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#else
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namespace System.Web.UI.DataVisualization.Charting
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#endif
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{
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/// <summary>
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/// The ChartAreaCollection class represents a strongly typed collection of
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/// ChartArea objects. Each chart area has a unique name in the collection
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/// and can be retrieved by name or by index.
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/// </summary>
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#if ASPPERM_35
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[AspNetHostingPermission(System.Security.Permissions.SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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[AspNetHostingPermission(System.Security.Permissions.SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
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#endif
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public class ChartAreaCollection : ChartNamedElementCollection<ChartArea>
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{
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#region Constructors
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/// <summary>
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/// Initializes a new instance of the <see cref="ChartAreaCollection"/> class.
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/// </summary>
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/// <param name="chartPicture">Parent chart picture.</param>
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internal ChartAreaCollection(ChartPicture chartPicture) : base(chartPicture)
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{
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}
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#endregion
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#region Properties
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/// <summary>
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/// Gets the default chart area name.
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/// </summary>
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internal string DefaultNameReference
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{
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get { return this.Count > 0 ? this[0].Name : String.Empty; }
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}
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#endregion
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#region Methods
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/// <summary>
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/// Creates a new ChartArea with the specified name and adds it to the collection.
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/// </summary>
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/// <param name="name">The new chart area name.</param>
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/// <returns></returns>
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public ChartArea Add(string name)
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{
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ChartArea area = new ChartArea(name);
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this.Add(area);
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return area;
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}
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#endregion
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#region Event handlers
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/// <summary>
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/// Updates the ChartArea alignment references to another chart areas.
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/// </summary>
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/// <param name="sender">The sender.</param>
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/// <param name="e">The <see cref="Charting.NameReferenceChangedEventArgs"/> instance containing the event data.</param>
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internal void ChartAreaNameReferenceChanged(object sender, NameReferenceChangedEventArgs e)
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{
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foreach (ChartArea chartArea in this)
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if (chartArea.AlignWithChartArea == e.OldName)
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chartArea.AlignWithChartArea = e.NewName;
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}
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#endregion
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}
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}
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