85 lines
2.2 KiB
C#
85 lines
2.2 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Autodesk.Revit.UI;
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using DotNet.RevitUI;
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using DotNet.RevitUI.MVVM;
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using Test.DotNet.RevitUI.View;
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namespace Test.DotNet.RevitUI.ViewModel
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{
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public class DeleteElementViewModel : ObservableObject
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{
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private int _elementId;
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public int ElementId
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{
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get
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{
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return _elementId;
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}
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set
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{
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_elementId = value;
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this.RaisePropertyChanged(nameof(ElementId));
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}
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}
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/// <summary>
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/// Revit动态委托命令
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/// </summary>
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/// <remarks>也可以直接绑定RevitCommand</remarks>
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public RevitRelayCommand OK { get; private set; }
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public RelayCommand Cancel { get; private set; }
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public DeleteElementViewModel()
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{
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this.ElementId = 0;
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this.OK = new RevitRelayCommand(OnOK, () => ElementId > 0);
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this.Cancel = new RelayCommand(OnCancel);
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}
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private void OnCancel()
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{
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Messenger.Default.Send(this, MainDeleteMatchElement.ClosedToken);
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}
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private Result OnOK(ExternalCommandData arg)
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{
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var uidoc = arg.Application.ActiveUIDocument;
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var doc = uidoc.Document;
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if (doc.GetElement(new Autodesk.Revit.DB.ElementId(ElementId)) is Autodesk.Revit.DB.Element elem)
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{
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doc.Invoke(m =>
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{
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try
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{
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doc.Delete(elem.Id);
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}
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catch (Exception ex)
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{
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Autodesk.Revit.UI.TaskDialog.Show("错误", ex.Message);
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}
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});
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Autodesk.Revit.UI.TaskDialog.Show("提示", "删除元素完成");
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return Result.Succeeded;
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}
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Autodesk.Revit.UI.TaskDialog.Show("警告", "输入元素ID不合法，或者未在当前文档找到此元素ID");
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return Result.Succeeded;
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}
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}
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}
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