XAF 如何编辑当前选择的下拉列表项属性

ytq2080

编辑当前选择的属性

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实现代码如下

代码

Code highlighting produced by Actipro CodeHighlighter(freeware)http://www.CodeHighlighter.com/-->// Developer Express CodeCentral Example:

// How to edit the currently selected object in theWindows Forms LookupPropertyEditor

//

// This example illustrates the functionality describedin the K18024 KB article. A

// separate v2010 vol 1 solution is also available.

//

// You can find sample updates and versions for differentprogramming languages here:

// http://www.devexpress.com/example=E774

using System;

using DevExpress.ExpressApp;

using DevExpress.XtraEditors.Controls;

using DevExpress.XtraEditors.Repository;

using System.Drawing;

using DevExpress.Utils;

using DevExpress.ExpressApp.Win.Editors;

using DevExpress.ExpressApp.Model;

namespace WinSolution.Module.Win {

    public class MyLookupPropertyEditor: LookupPropertyEditor {

        publicMyLookupPropertyEditor(Type objectType, IModelMemberViewItem model) :base(objectType, model) { }

        protectedoverride void SetupRepositoryItem(RepositoryItem item) {

           base.SetupRepositoryItem(item);

           ((RepositoryItemLookupEdit)item).Init(DisplayFormat, this.Helper);

           AppearanceObject appearance = new AppearanceObject();

           appearance.Font=new Font(FontFamily.GenericSansSerif, 10F,FontStyle.Underline);

           ((RepositoryItemLookupEdit)item).Buttons.Add(newEditorButton(ButtonPredefines.Glyph, "Edit", -1, true, true, true,HorzAlignment.Default, null, new KeyShortcut(System.Windows.Forms.Keys.Enter),appearance, "Press this button to edit the object"));

           ((RepositoryItemLookupEdit)item).ButtonClick += newButtonPressedEventHandler(MyLookupPropertyEditor_ButtonClick);

        }

        voidMyLookupPropertyEditor_ButtonClick(object sender, ButtonPressedEventArgs e) {

            if (!e.Button.IsDefaultButton){

               ObjectSpace objectSpace = Helper.Application.CreateObjectSpace();

               object editedObject = null;

                if(BindingHelper != null) {

                   editedObject = objectSpace.GetObject(BindingHelper.GetControlValue());

                }

               else if (sender is LookupEdit) {

                   editedObject = objectSpace.GetObject((sender as LookupEdit).EditValue);

                }

                if(editedObject != null) {

                   ShowViewParameters svp = new ShowViewParameters();

                   svp.CreatedView = Helper.Application.CreateDetailView(objectSpace,editedObject, true);

                   svp.TargetWindow = TargetWindow.Default;

                    svp.Context = TemplateContext.View;

                   svp.CreateAllControllers = true;

                   ShowViewSource svs = new ShowViewSource(Helper.Application.MainWindow,null);

                   Helper.Application.ShowViewStrategy.ShowView(svp, svs);

                }

            }

        }

    }

}