265 lines
8.5 KiB
C#
265 lines
8.5 KiB
C#
//============================================================================
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//ZedGraph Class Library - A Flexible Line Graph/Bar Graph Library in C#
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//Copyright ?2006 John Champion
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//
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//This library is free software; you can redistribute it and/or
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//modify it under the terms of the GNU Lesser General Public
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//License as published by the Free Software Foundation; either
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//version 2.1 of the License, or (at your option) any later version.
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//
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//This library is distributed in the hope that it will be useful,
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//but WITHOUT ANY WARRANTY; without even the implied warranty of
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//MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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//Lesser General Public License for more details.
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//
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//You should have received a copy of the GNU Lesser General Public
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//License along with this library; if not, write to the Free Software
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//Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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//=============================================================================
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using System;
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using System.Drawing;
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using System.Text;
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using System.Runtime.Serialization;
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using System.Security.Permissions;
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namespace DrawGraph
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{
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/// <summary>
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/// Class that handles that stores the margin properties for the GraphPane
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/// </summary>
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///
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/// <author> John Champion </author>
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/// <version> $Revision: 3.1 $ $Date: 2006/06/24 20:26:44 $ </version>
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[Serializable]
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public class Margin : ICloneable, ISerializable
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{
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/// <summary>
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/// Private fields that store the size of the margin around the edge of the pane which will be
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/// kept blank. Use the public properties <see cref="Margin.Left"/>, <see cref="Margin.Right"/>,
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/// <see cref="Margin.Top"/>, <see cref="Margin.Bottom"/> to access these values.
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/// </summary>
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/// <value>Units are points (1/72 inch)</value>
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protected float _left,
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_right,
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_top,
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_bottom;
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#region Constructors
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/// <summary>
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/// Constructor to build a <see cref="Margin" /> from the default values.
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/// </summary>
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public Margin()
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{
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_left = Default.Left;
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_right = Default.Right;
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_top = Default.Top;
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_bottom = Default.Bottom;
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}
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/// <summary>
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/// Copy constructor
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/// </summary>
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/// <param name="rhs">the <see cref="Margin" /> instance to be copied.</param>
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public Margin( Margin rhs )
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{
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_left = rhs._left;
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_right = rhs._right;
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_top = rhs._top;
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_bottom = rhs._bottom;
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}
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/// <summary>
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/// Implement the <see cref="ICloneable" /> interface in a typesafe manner by just
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/// calling the typed version of <see cref="Clone" />
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/// </summary>
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/// <returns>A deep copy of this object</returns>
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object ICloneable.Clone()
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{
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return this.Clone();
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}
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/// <summary>
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/// Typesafe, deep-copy clone method.
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/// </summary>
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/// <returns>A new, independent copy of this class</returns>
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public Margin Clone()
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{
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return new Margin( this );
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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 or sets a float value that determines the margin area between the left edge of the
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/// <see cref="PaneBase.Rect"/> rectangle and the features of the graph.
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/// </summary>
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/// <value>This value is in units of points (1/72 inch), and is scaled
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/// linearly with the graph size.</value>
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/// <seealso cref="Default.Left"/>
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/// <seealso cref="PaneBase.IsFontsScaled"/>
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/// <seealso cref="Right"/>
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/// <seealso cref="Top"/>
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/// <seealso cref="Bottom"/>
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public float Left
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{
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get { return _left; }
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set { _left = value; }
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}
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/// <summary>
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/// Gets or sets a float value that determines the margin area between the right edge of the
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/// <see cref="PaneBase.Rect"/> rectangle and the features of the graph.
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/// </summary>
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/// <value>This value is in units of points (1/72 inch), and is scaled
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/// linearly with the graph size.</value>
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/// <seealso cref="Default.Right"/>
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/// <seealso cref="PaneBase.IsFontsScaled"/>
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/// <seealso cref="Left"/>
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/// <seealso cref="Top"/>
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/// <seealso cref="Bottom"/>
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public float Right
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{
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get { return _right; }
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set { _right = value; }
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}
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/// <summary>
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/// Gets or sets a float value that determines the margin area between the top edge of the
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/// <see cref="PaneBase.Rect"/> rectangle and the features of the graph.
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/// </summary>
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/// <value>This value is in units of points (1/72 inch), and is scaled
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/// linearly with the graph size.</value>
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/// <seealso cref="Default.Top"/>
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/// <seealso cref="PaneBase.IsFontsScaled"/>
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/// <seealso cref="Left"/>
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/// <seealso cref="Right"/>
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/// <seealso cref="Bottom"/>
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public float Top
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{
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get { return _top; }
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set { _top = value; }
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}
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/// <summary>
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/// Gets or sets a float value that determines the margin area between the bottom edge of the
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/// <see cref="PaneBase.Rect"/> rectangle and the features of the graph.
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/// </summary>
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/// <value>This value is in units of points (1/72 inch), and is scaled
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/// linearly with the graph size.</value>
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/// <seealso cref="Default.Bottom"/>
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/// <seealso cref="PaneBase.IsFontsScaled"/>
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/// <seealso cref="Left"/>
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/// <seealso cref="Right"/>
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/// <seealso cref="Top"/>
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public float Bottom
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{
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get { return _bottom; }
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set { _bottom = value; }
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}
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/// <summary>
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/// Concurrently sets all outer margin values to a single value.
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/// </summary>
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/// <value>This value is in units of points (1/72 inch), and is scaled
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/// linearly with the graph size.</value>
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/// <seealso cref="PaneBase.IsFontsScaled"/>
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/// <seealso cref="Bottom"/>
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/// <seealso cref="Left"/>
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/// <seealso cref="Right"/>
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/// <seealso cref="Top"/>
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public float All
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{
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set
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{
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_bottom = value;
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_top = value;
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_left = value;
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_right = value;
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}
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}
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#endregion
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#region Serialization
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/// <summary>
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/// Current schema value that defines the version of the serialized file
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/// </summary>
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public const int schema = 10;
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/// <summary>
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/// Constructor for deserializing objects
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/// </summary>
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/// <param name="info">A <see cref="SerializationInfo"/> instance that defines the serialized data
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/// </param>
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/// <param name="context">A <see cref="StreamingContext"/> instance that contains the serialized data
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/// </param>
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protected Margin( SerializationInfo info, StreamingContext context )
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{
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// The schema value is just a file version parameter. You can use it to make future versions
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// backwards compatible as new member variables are added to classes
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int sch = info.GetInt32( "schema" );
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_left = info.GetSingle( "left" );
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_right = info.GetSingle( "right" );
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_top = info.GetSingle( "top" );
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_bottom = info.GetSingle( "bottom" );
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}
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/// <summary>
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/// Populates a <see cref="SerializationInfo"/> instance with the data needed to serialize the target object
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/// </summary>
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/// <param name="info">A <see cref="SerializationInfo"/> instance that defines the serialized data</param>
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/// <param name="context">A <see cref="StreamingContext"/> instance that contains the serialized data</param>
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[SecurityPermissionAttribute( SecurityAction.Demand, SerializationFormatter = true )]
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public virtual void GetObjectData( SerializationInfo info, StreamingContext context )
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{
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info.AddValue( "schema", schema );
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info.AddValue( "left", _left );
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info.AddValue( "right", _right );
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info.AddValue( "top", _top );
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info.AddValue( "bottom", _bottom );
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}
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#endregion
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#region Defaults
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/// <summary>
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/// A simple struct that defines the default property values for the <see cref="Margin"/> class.
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/// </summary>
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public class Default
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{
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/// <summary>
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/// The default value for the <see cref="Margin.Left"/> property, which is
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/// the size of the space on the left side of the <see cref="PaneBase.Rect"/>.
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/// </summary>
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/// <value>Units are points (1/72 inch)</value>
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public static float Left = 10.0F;
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/// <summary>
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/// The default value for the <see cref="Margin.Right"/> property, which is
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/// the size of the space on the right side of the <see cref="PaneBase.Rect"/>.
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/// </summary>
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/// <value>Units are points (1/72 inch)</value>
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public static float Right = 10.0F;
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/// <summary>
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/// The default value for the <see cref="Margin.Top"/> property, which is
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/// the size of the space on the top side of the <see cref="PaneBase.Rect"/>.
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/// </summary>
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/// <value>Units are points (1/72 inch)</value>
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public static float Top = 10.0F;
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/// <summary>
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/// The default value for the <see cref="Margin.Bottom"/> property, which is
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/// the size of the space on the bottom side of the <see cref="PaneBase.Rect"/>.
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/// </summary>
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/// <value>Units are points (1/72 inch)</value>
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public static float Bottom = 10.0F;
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}
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#endregion
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}
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}
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