Exemplo n.º 1
0
        [RefreshProperties(RefreshProperties.All)] public override object EditValue(System.ComponentModel.ITypeDescriptorContext context, System.IServiceProvider provider, object value)
        {
            if (context == null || provider == null || context.Instance == null)
            {
                return(base.EditValue(provider, value));
            }

            oEditorService = (System.Windows.Forms.Design.IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
            if (oEditorService != null)
            {
                // Get the Back reference to the Custom Property
                CustomProperty.CustomPropertyDescriptor oDescriptor = (CustomProperty.CustomPropertyDescriptor)context.PropertyDescriptor;
                CustomProperty cp = (CustomProperty)oDescriptor.CustomProperty;

                // Declare attributes
                UIListboxDatasource    datasource;
                UIListboxValueMember   valuemember;
                UIListboxDisplayMember displaymember;

                // Get attributes
                datasource    = (UIListboxDatasource)context.PropertyDescriptor.Attributes[typeof(UIListboxDatasource)];
                valuemember   = (UIListboxValueMember)context.PropertyDescriptor.Attributes[typeof(UIListboxValueMember)];
                displaymember = (UIListboxDisplayMember)context.PropertyDescriptor.Attributes[typeof(UIListboxDisplayMember)];

                oList.BorderStyle    = BorderStyle.None;
                oList.IntegralHeight = true;

                if (datasource != null)
                {
                    oList.DataSource = datasource.Value;
                }

                if (displaymember != null)
                {
                    oList.DisplayMember = displaymember.Value;
                }

                if (valuemember != null)
                {
                    oList.ValueMember = valuemember.Value;
                }

                if (value != null)
                {
                    if (value.GetType().Name == "String")
                    {
                        oList.Text = (string)value;
                    }
                    else
                    {
                        oList.SelectedItem = value;
                    }
                }


                oList.SelectedIndexChanged += new System.EventHandler(this.SelectedItem);

                oEditorService.DropDownControl(oList);
                if (oList.SelectedIndices.Count == 1)
                {
                    cp.SelectedItem  = oList.SelectedItem;
                    cp.SelectedValue = oSelectedValue;
                    value            = oList.Text;
                }
                oEditorService.CloseDropDown();
            }
            else
            {
                return(base.EditValue(provider, value));
            }

            return(value);
        }
Exemplo n.º 2
0
 public virtual int Add(CustomProperty value)
 {
     return(base.List.Add(value));
 }
Exemplo n.º 3
0
 /// <summary>
 /// 排序
 /// </summary>
 /// <param name="x"></param>
 /// <param name="y"></param>
 /// <returns></returns>
 private int ComparerCustomProperty(CustomProperty x, CustomProperty y)
 {
     return(x.Order.CompareTo(y.Order));
 }