该类中用到的其他类主要有以下几个，以下几个类主要用于数据绑定：
namespace PropertyGridDemo.PropertyGridControl
{
public class SliderUIDataContext:PropertyDataContext
{
private double _value = 0;
private double _max = 0;
private double _min = 0;
private double _smallChange = 1;
private double _largeChange=1;
public SliderUIDataContext()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="SliderUIDataContext"/> class.
/// </summary>
/// <param name="min">The minimum.</param>
/// <param name="max">The maximum.</param>
/// <param name="value">The value.</param>
/// <param name="smallChange">The small change.</param>
/// <param name="largeChange">The large change.</param>
public SliderUIDataContext(double min, double max, double value,double smallChange=0.01,double largeChange=0.1)
{
SmallChange = smallChange;
LargeChange = largeChange;
Max = max;
Min = min;
Value = value;
}
/// <summary>
/// Gets or sets the small change.
/// </summary>
/// <value>
/// The small change.
/// </value>
public double SmallChange
{
get => _smallChange;
set
{
if (value == _min) return;
_min = value;
RaisePropertyChanged(nameof(SmallChange));
}
}
/// <summary>
/// Gets or sets the large change.
/// </summary>
/// <value>
/// The large change.
/// </value>
public double LargeChange
{
get => _largeChange;
set
{
if (Value == _largeChange) return;
_largeChange = value;
RaisePropertyChanged(nameof(LargeChange));
}
}
/// <summary>
/// Gets or sets the maximum.
/// </summary>
/// <value>
/// The maximum.
/// </value>
public double Max
{
get => _max;
set
{
if (value == _max) return;
_max = value;
RaisePropertyChanged(nameof(Max));
}
}
/// <summary>
/// Gets or sets the minimum.
/// </summary>
/// <value>
/// The minimum.
/// </value>
public double Min
{
get => _min;
set
{
if (value == _min) return;
_min = value;
RaisePropertyChanged(nameof(Min));
}
}
/// <summary>
/// Gets or sets the value.
/// </summary>
/// <value>
/// The value.
/// </value>
public double Value
{
get => _value;
set
{
if (value == _value) return;
_value = value;
RaisePropertyChanged(nameof(Value));
}
}
}
}
using System;
using System.Linq;
namespace PropertyGridDemo.PropertyGridControl
{
public class ComboBoxEditDataContext:PropertyDataContext
{
private Tuple<string, object>[] _itemSource;
private Tuple<string, object> _editValue;
private int _selectedIndex;
/// <summary>
/// Initializes a new instance of the <see cref="ComboBoxEditDataContext"/> class.
/// </summary>
/// <param name="itemSource">The item source.</param>
/// <param name="editValue">The edit value.</param>
public ComboBoxEditDataContext(Tuple<string,object>[] itemSource,Tuple<string,object> editValue)
{
_itemSource = itemSource;
_editValue = _itemSource.FirstOrDefault(x => x?.Item1.ToString() == editValue?.Item1.ToString() && x?.Item2?.ToString() == x?.Item2?.ToString());
}
/// <summary>
/// Initializes a new instance of the <see cref="ComboBoxEditDataContext" /> class.
/// </summary>
/// <param name="itemSource">The item source.</param>
/// <param name="value">The value.</param>
public ComboBoxEditDataContext(Tuple<string, object>[] itemSource, object value)
{
_itemSource = itemSource;
_editValue = _itemSource.FirstOrDefault(x => x?.Item2.ToString() == value.ToString() );
}
public string Name
{
get;set;
}
/// <summary>
/// Gets or sets the item source.
/// </summary>
/// <value>
/// The item source.
/// </value>
public Tuple<string,object>[] ItemSource
{
get => _itemSource;
set
{
//if (_itemSource == value) return;
_itemSource = value;
RaisePropertyChanged(nameof(ItemSource));
}
}
/// <summary>
/// Gets or sets the edit value.
/// </summary>
/// <value>
/// The edit value.
/// </value>
public Tuple<string,object> EditValue
{
get => _editValue;
set
{
if (_editValue == value) return;
_editValue = value;
RaisePropertyChanged(nameof(EditValue));
}
}
public object Value
{
set
{
EditValue = ItemSource.FirstOrDefault(x => x.Item2.Equals(value));
}
}
/// <summary>
/// Gets or sets the index of the selected.
/// </summary>
/// <value>
/// The index of the selected.
/// </value>
public int SelectedIndex
{
get => _selectedIndex;
set
{
if (_selectedIndex == value || value==-1) return;
_selectedIndex = value;
EditValue = ItemSource[value];
RaisePropertyChanged(nameof(SelectedIndex));
}
}
}
}
