61 lines
1.9 KiB
C#
61 lines
1.9 KiB
C#
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using System;
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using System.Collections;
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using System.ComponentModel;
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using System.Globalization;
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namespace JinYuan.ControlLib.UCHelper
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{
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//
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// 摘要:
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// 对属性进行排序
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public class PropertyOrderConverter : TypeConverter
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{
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//
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// 摘要:
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// 当该属性为展开属性选型时，属性编辑器删除该属性的描述
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//
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// 参数:
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// context:
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//
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// culture:
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//
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// value:
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//
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// destinationType:
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public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
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{
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if (destinationType == typeof(string))
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{
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return string.Empty;
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}
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return base.ConvertTo(context, culture, value, destinationType);
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}
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public override bool GetPropertiesSupported(ITypeDescriptorContext context)
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{
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return true;
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}
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public override PropertyDescriptorCollection GetProperties(ITypeDescriptorContext context, object value, Attribute[] attributes)
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{
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PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(value, attributes);
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ArrayList arrayList = new ArrayList();
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foreach (PropertyDescriptor item in properties)
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{
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Attribute attribute = item.Attributes[typeof(PropertyOrderAttribute)];
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arrayList.Add(new PropertyOrderPair(item.Name, (attribute == null) ? 0f : ((PropertyOrderAttribute)attribute).Order));
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}
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arrayList.Sort();
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ArrayList arrayList2 = new ArrayList();
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foreach (PropertyOrderPair item2 in arrayList)
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{
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arrayList2.Add(item2.CategoryName);
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}
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return properties.Sort((string[])arrayList2.ToArray(typeof(string)));
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}
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}
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}
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