594 lines
13 KiB
C#
594 lines
13 KiB
C#
using System;
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using System.ComponentModel;
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using System.Data.SqlTypes;
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using System.Drawing;
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using System.Windows.Forms;
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using DevComponents.DotNetBar.SuperGrid.Style;
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using DevComponents.DotNetBar.Controls;
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namespace DevComponents.DotNetBar.SuperGrid
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{
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///<summary>
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/// GridSwitchButtonEditControl
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///</summary>
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[ToolboxItem(false)]
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public class GridSwitchButtonEditControl : SwitchButton, IGridCellEditControl
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{
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#region Private variables
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private GridCell _Cell;
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private EditorPanel _EditorPanel;
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private Bitmap _EditorCellBitmap;
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private bool _ValueChanged;
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private bool _SuspendUpdate;
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private object _OnValue;
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private object _OffValue;
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private StretchBehavior _StretchBehavior = StretchBehavior.Both;
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#endregion
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///<summary>
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/// GridSwitchButtonEditControl
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///</summary>
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public GridSwitchButtonEditControl()
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{
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FocusCuesEnabled = false;
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Style = eDotNetBarStyle.StyleManagerControlled;
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}
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#region Public properties
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#region OnValue
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///<summary>
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/// OnValue
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///</summary>
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public object OnValue
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{
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get { return (_OnValue); }
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set { _OnValue = value; }
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}
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#endregion
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#region OffValue
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///<summary>
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/// OffValue
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///</summary>
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public object OffValue
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{
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get { return (_OffValue); }
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set { _OffValue = value; }
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}
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#endregion
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#endregion
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#region OnValueChanged
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/// <summary>
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/// OnValueChanged
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/// </summary>
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/// <param name="e"></param>
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protected override void OnValueChanged(EventArgs e)
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{
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if (_SuspendUpdate == false)
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{
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_Cell.UpdateCellValue(this);
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_Cell.EditorValueChanged(this);
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}
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base.OnValueChanged(e);
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}
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#endregion
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#region OnInvalidated
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/// <summary>
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/// OnInvalidated
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/// </summary>
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/// <param name="e"></param>
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protected override void OnInvalidated(InvalidateEventArgs e)
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{
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base.OnInvalidated(e);
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if (_Cell != null && _SuspendUpdate == false)
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_Cell.InvalidateRender();
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}
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#endregion
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#region GetValue
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///<summary>
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/// GetValue
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///</summary>
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///<param name="value"></param>
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///<returns></returns>
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///<exception cref="Exception"></exception>
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public virtual bool GetValue(object value)
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{
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GridPanel panel = _Cell.GridPanel;
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if (value == null ||
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(panel.NullValue == NullValue.DBNull && value == DBNull.Value))
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{
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return (false);
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}
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if (_Cell.IsValueExpression == true)
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value = _Cell.GetExpValue((string)value);
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Type type = value.GetType();
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if (_OnValue != null)
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{
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if (value.Equals(_OnValue))
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return (true);
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}
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if (_OffValue != null)
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{
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if (value.Equals(_OffValue))
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return (false);
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}
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if (type == typeof(bool))
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return ((bool)value);
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if (type == typeof(string))
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{
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string s = ((string)value).ToLower();
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if (s.Equals("true") || s.Equals("yes") || s.Equals("1"))
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return (true);
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if (s.Equals("false") || s.Equals("no") || s.Equals("0"))
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return (false);
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}
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else if (type == typeof(SqlBoolean))
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{
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SqlBoolean sb = (SqlBoolean)value;
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if (sb.IsNull == true)
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return (false);
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return (sb.IsTrue);
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}
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else if (type == typeof(char))
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{
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char c = (char)value;
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switch (Char.ToLower(c))
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{
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case 't':
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case 'y':
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case '1':
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return (true);
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case 'f':
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case 'n':
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case '0':
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return (false);
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}
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}
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else
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{
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int n = Convert.ToInt32(value);
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return (n == 0 ? false : true);
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}
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throw new Exception("Invalid checkBox cell value (" + value + ").");
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}
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#endregion
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#region IGridCellEditControl Members
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#region Public properties
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#region CanInterrupt
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/// <summary>
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/// CanInterrupt
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/// </summary>
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public bool CanInterrupt
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{
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get { return (true); }
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}
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#endregion
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#region CellEditMode
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/// <summary>
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/// CellEditMode
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/// </summary>
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public CellEditMode CellEditMode
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{
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get { return (CellEditMode.InPlace); }
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}
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#endregion
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#region EditorCell
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/// <summary>
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/// EditorCell
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/// </summary>
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public GridCell EditorCell
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{
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get { return (_Cell); }
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set { _Cell = value; }
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}
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#endregion
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#region EditorCellBitmap
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///<summary>
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/// EditorCellBitmap
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///</summary>
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public Bitmap EditorCellBitmap
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{
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get { return (_EditorCellBitmap); }
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set
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{
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if (_EditorCellBitmap != null)
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_EditorCellBitmap.Dispose();
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_EditorCellBitmap = value;
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}
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}
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#endregion
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#region EditorFormattedValue
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///<summary>
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/// EditorFormattedValue
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///</summary>
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public virtual string EditorFormattedValue
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{
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get
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{
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if (_Cell != null)
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{
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if (_Cell.Value == null || _Cell.IsValueNull == true)
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return (_Cell.NullString);
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return (_Cell.Value.ToString());
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}
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return (Text);
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}
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}
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#endregion
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#region EditorPanel
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/// <summary>
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/// EditorPanel
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/// </summary>
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public EditorPanel EditorPanel
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{
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get { return (_EditorPanel); }
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set { _EditorPanel = value; }
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}
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#endregion
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#region EditorValue
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/// <summary>
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/// EditorValue
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/// </summary>
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public virtual object EditorValue
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{
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get { return (Value); }
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set { Value = GetValue(value); }
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}
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#endregion
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#region EditorValueChanged
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/// <summary>
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/// EditorValueChanged
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/// </summary>
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public virtual bool EditorValueChanged
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{
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get { return (_ValueChanged); }
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set
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{
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if (_ValueChanged != value)
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{
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_ValueChanged = value;
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if (value == true)
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_Cell.SetEditorDirty(this);
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}
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}
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}
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#endregion
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#region EditorValueType
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///<summary>
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/// EditorValueType
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///</summary>
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public virtual Type EditorValueType
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{
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get { return (typeof(bool)); }
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}
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#endregion
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#region StretchBehavior
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/// <summary>
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/// StretchBehavior
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/// </summary>
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public virtual StretchBehavior StretchBehavior
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{
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get { return (_StretchBehavior); }
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set { _StretchBehavior = value; }
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}
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#endregion
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#region SuspendUpdate
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/// <summary>
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/// SuspendUpdate
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/// </summary>
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public bool SuspendUpdate
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{
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get { return (_SuspendUpdate); }
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set { _SuspendUpdate = value; }
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}
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#endregion
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#region ValueChangeBehavior
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/// <summary>
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/// ValueChangeBehavior
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/// </summary>
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public virtual ValueChangeBehavior ValueChangeBehavior
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{
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get { return (ValueChangeBehavior.InvalidateRender); }
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}
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#endregion
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#endregion
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#region InitializeContext
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///<summary>
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/// InitializeContext
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///</summary>
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///<param name="cell"></param>
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///<param name="style"></param>
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public virtual void InitializeContext(GridCell cell, CellVisualStyle style)
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{
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_Cell = cell;
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if (style != null)
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{
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Enabled = (_Cell.IsReadOnly == false);
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Font = style.Font;
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ForeColor = style.TextColor;
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}
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Value = GetValue(_Cell.Value);
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_ValueChanged = false;
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}
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#endregion
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#region GetProposedSize
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///<summary>
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/// GetProposedSize
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///</summary>
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///<param name="g"></param>
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///<param name="cell"></param>
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///<param name="style"></param>
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///<param name="constraintSize"></param>
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///<returns></returns>
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public virtual Size GetProposedSize(Graphics g,
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GridCell cell, CellVisualStyle style, Size constraintSize)
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{
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Size size = GetPreferredSize(constraintSize);
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size.Width += Dpi.Width4;
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return (size);
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}
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#endregion
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#region Edit support
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#region BeginEdit
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/// <summary>
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/// BeginEdit
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/// </summary>
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/// <param name="selectAll"></param>
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/// <returns></returns>
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public virtual bool BeginEdit(bool selectAll)
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{
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return (false);
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}
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#endregion
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#region EndEdit
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/// <summary>
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/// EndEdit
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/// </summary>
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/// <returns></returns>
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public virtual bool EndEdit()
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{
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return (false);
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}
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#endregion
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#region CancelEdit
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/// <summary>
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/// CancelEdit
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/// </summary>
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/// <returns></returns>
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public virtual bool CancelEdit()
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{
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return (false);
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}
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#endregion
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#endregion
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#region CellRender
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/// <summary>
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/// CellRender
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/// </summary>
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/// <param name="g"></param>
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public virtual void CellRender(Graphics g)
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{
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_Cell.CellRender(this, g);
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}
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#endregion
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#region Keyboard support
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#region CellKeyDown
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///<summary>
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/// CellKeyDown
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///</summary>
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public virtual void CellKeyDown(KeyEventArgs e)
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{
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OnKeyDown(e);
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}
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#endregion
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#region WantsInputKey
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/// <summary>
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/// WantsInputKey
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/// </summary>
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/// <param name="key"></param>
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/// <param name="gridWantsKey"></param>
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/// <returns></returns>
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public virtual bool WantsInputKey(Keys key, bool gridWantsKey)
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{
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switch (key & Keys.KeyCode)
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{
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case Keys.Space:
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return (true);
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default:
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return (gridWantsKey == false);
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}
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}
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#endregion
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#endregion
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#region Mouse support
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#region OnCellMouseMove
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///<summary>
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/// OnCellMouseMove
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseMove(MouseEventArgs e)
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{
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OnMouseMove(e);
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}
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#endregion
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#region OnCellMouseEnter
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///<summary>
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/// OnCellMouseEnter
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseEnter(EventArgs e)
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{
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OnMouseEnter(e);
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}
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#endregion
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#region OnCellMouseLeave
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///<summary>
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/// OnCellMouseLeave
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseLeave(EventArgs e)
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{
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OnMouseLeave(e);
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CancelAnimation();
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}
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#endregion
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#region OnCellMouseUp
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///<summary>
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/// OnCellMouseUp
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseUp(MouseEventArgs e)
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{
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OnMouseUp(e);
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}
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#endregion
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#region OnCellMouseDown
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///<summary>
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/// OnCellMouseDown
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///</summary>
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///<param name="e"></param>
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public virtual void OnCellMouseDown(MouseEventArgs e)
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{
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OnMouseDown(e);
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}
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#endregion
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#endregion
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#endregion
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}
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}
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