C# PropertyGrid封装类（VS2010）

功能简介：

1、支持下拉、打开文件、文本输入、点击项可显示描述内容。

以下业务代码则是调用封装类。

Category ：属性类

DisplayName：名称

Descriptor：描述内容

Editor：编辑器

        private PropertyManage _pmc=new PropertyManage();/// <summary>/// 绑定PropertyGrid/// </summary>/// <returns></returns>public Object GetPropertyObject(){  #region 方案配置Property pp = new Property("SchemeName", "test.xml", false, true);pp.Category = "方案配置";pp.DisplayName = "方案";pp.Editor = new PropertyGridFileEditor();_pmc.Add(pp);#endregion#region 表计规格pp = new Property("MeterType", "1S");pp.Category = "表计规格";pp.DisplayName = "表计类型";string[] s = new string[] { "1S", "2S", "3S" };pp.Converter = new DropDownListConverter(s);_pmc.Add(pp);pp = new Property("RatedVolt","220");pp.Category = "表计规格";pp.DisplayName = "额定电压";pp.Descriptor = "V";_pmc.Add(pp);pp = new Property("RatedCurrent", "0");pp.Category = "表计规格";pp.DisplayName = "额定电流";pp.Descriptor = "A";_pmc.Add(pp);pp = new Property("RatedFreq", "60");pp.Category = "表计规格";pp.DisplayName = "额定频率";pp.Descriptor = "Hz";_pmc.Add(pp);pp = new Property("Phase","三相四线");pp.Category = "表计规格";pp.DisplayName = "接线方式";s=new string[]{"三相四线","三相三相","单相"};pp.Converter = new DropDownListConverter(s);_pmc.Add(pp);#endregion return _pmc;}//最后PropertyGrid控件调用
PropertyGrid.SelectedObject = GetPropertyObject();

以下封装代码可直接拷贝，提示错误则是未引用相关命名控件，右键解析自动添加。(PS：修改他人成果)

region 封装操作PropertyGrid属性方法//属性管理类public class PropertyManage : 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;private string _descriptor = 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，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 string Descriptor{get { return _descriptor; }set { _descriptor = 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;}}}//属性描述类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.Descriptor;}}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}//文件对话框编辑类public class PropertyGridFileEditor : UITypeEditor  {  public override UITypeEditorEditStyle GetEditStyle(System.ComponentModel.ITypeDescriptorContext context)  {  return UITypeEditorEditStyle.Modal;  }  public override object EditValue(System.ComponentModel.ITypeDescriptorContext context, System.IServiceProvider provider, object value)  {  IWindowsFormsEditorService edSvc=(IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));  if (edSvc != null)  {  // 可以打开任何特定的对话框  OpenFileDialog dialog = new OpenFileDialog();  dialog.AddExtension = false;  if (dialog.ShowDialog().Equals(DialogResult.OK))  {  return dialog.FileName;  }  }  return value;  }  }//文件下拉转换类public class DropDownListConverter : StringConverter{object[] m_Objects;public DropDownListConverter(object[] objects){m_Objects = objects;}public override bool GetStandardValuesSupported(ITypeDescriptorContext context){return true;}public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)  {  return true;}public overrideSystem.ComponentModel.TypeConverter.StandardValuesCollection GetStandardValues(ITypeDescriptorContext context){return new StandardValuesCollection(m_Objects);//可以直接在内部定义一个数组，但并不建议这样做，这样对于下拉框的灵活             //性有很大影响  }}#endregion

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C# PropertyGrid封装类（VS2010）

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