C#自定义PropertyGrid属性

public class PropertyManageCls : CollectionBase, ICustomTypeDescriptor { public void Add(Property value) { int flag=-1; if (value != null) { if (base.List.Count>0) { IList <Property> mList=new List<Property>(); for (int i = 0; i < base.List.Count; i ) { Property p = base.List[i] as Property; if (value.Name == p.Name) { flag = i; } mList.Add(p); } if (flag == -1) { mList.Add(value); } base.List.Clear(); foreach (Property p in mList) { base.List.Add(p); } } else { base.List.Add(value); } } } public void Remove(Property value) { if(value!=null&&base.List.Count>0) base.List.Remove(value); } public Property this[int index] { get { return (Property)base.List[index]; } set { base.List[index] = (Property)value; } } #region ICustomTypeDescriptor 成员 public AttributeCollection GetAttributes() { return TypeDescriptor.GetAttributes(this,true); } public string GetClassName() { return TypeDescriptor.GetClassName(this, true); } public string GetComponentName() { return TypeDescriptor.GetComponentName(this, true); } public TypeConverter GetConverter() { return TypeDescriptor.GetConverter(this, true); } public EventDescriptor GetDefaultEvent() { return TypeDescriptor.GetDefaultEvent(this, true); } public PropertyDescriptor GetDefaultProperty() { return TypeDescriptor.GetDefaultProperty(this, true); } public object GetEditor(Type editorBaseType) { return TypeDescriptor.GetEditor(this, editorBaseType, true); } public EventDescriptorCollection GetEvents(Attribute[] attributes) { return TypeDescriptor.GetEvents(this, attributes, true); } public EventDescriptorCollection GetEvents() { return TypeDescriptor.GetEvents(this,true); } public PropertyDescriptorCollection GetProperties(Attribute[] attributes) { PropertyDescriptor[] newProps = new PropertyDescriptor[this.Count]; for (int i = 0; i < this.Count; i ) { Property prop = (Property)this[i]; newProps[i] = new CustomPropertyDescriptor(ref prop, attributes); } return new PropertyDescriptorCollection(newProps); } public PropertyDescriptorCollection GetProperties() { return TypeDescriptor.GetProperties(this, true); } public object GetPropertyOwner(PropertyDescriptor pd) { return this; } #endregion }//属性类 public class Property { private string _name=string.Empty; private object _value=null; private bool _readonly=false; private bool _visible=true; private string _category=string.Empty; TypeConverter _converter=null; object _editor = null; private string _displayname = string.Empty; public Property(string sName, object sValue) { this._name = sName; this._value = sValue; } public Property(string sName, object sValue, bool sReadonly, bool sVisible) { this._name = sName; this._value = sValue; this._readonly = sReadonly; this._visible = sVisible; } public string Name //获得属性名 { get { return _name; } set { _name=value; } } public string DisplayName //属性显示名称 { get { return _displayname; } set { _displayname = value; } } public TypeConverter Converter //类型转换器，我们在制作下拉列表时需要用到 { get { return _converter; } set { _converter = value; } } public string Category //属性所属类别 { get { return _category; } set { _category = value; } } public object Value //属性值 { get { return _value; } set { _value=value; } } public bool ReadOnly //是否为只读属性 { get { return _readonly; } set { _readonly = value; } } public bool Visible //是否可见 { get { return _visible; } set { _visible = value; } } public virtual object Editor //属性编辑器 { get { return _editor; } set { _editor = value; } } } public class CustomPropertyDescriptor : PropertyDescriptor { Property m_Property; public CustomPropertyDescriptor(ref Property myProperty, Attribute[] attrs) : base(myProperty.Name, attrs) { m_Property = myProperty; } #region PropertyDescriptor 重写方法 public override bool CanResetValue(object component) { return false; } public override Type ComponentType { get { return null; } } public override object GetValue(object component) { return m_Property.Value; } public override string Description { get { return m_Property.Name; } } public override string Category { get { return m_Property.Category; } } public override string DisplayName { get { return m_Property.DisplayName!=''?m_Property.DisplayName:m_Property.Name; } } public override bool IsReadOnly { get { return m_Property.ReadOnly; } } public override void ResetValue(object component) { //Have to implement } public override bool ShouldSerializeValue(object component) { return false; } public override void SetValue(object component, object value) { m_Property.Value = value; } public override TypeConverter Converter { get { return m_Property.Converter; } } public override Type PropertyType { get { return m_Property.Value.GetType(); } } public override object GetEditor(Type editorBaseType) { return m_Property.Editor==null? base.GetEditor(editorBaseType):m_Property.Editor; } #endregion }