添加项目文件。

Test.DotNet.RevitUI (2016)/Command/DeleteElementCommand.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using Autodesk.Windows;
+using DotNet.RevitUI;
+using Autodesk.Revit.Attributes;
+
+namespace Test.DotNet.RevitUI.Command
+{
+    /// <summary>
+    /// 删除元素
+    /// </summary>
+    /// <remarks>测试基于ribbon自动化绑定命令下的事务开启测试</remarks>
+    /// <remarks>如果基于addinmanager工具测试此命令，则需要声明特性，否则不需要声明此特性</remarks>
+
+    [Transaction(TransactionMode.Manual)]
+    public class DeleteElementCommand : RevitCommand
+    {
+        protected override bool CanExecute(Autodesk.Windows.RibbonItem parameter)
+        {
+            if (parameter == null)
+            {
+                return true;
+            }
+
+            if (parameter.Tag is UIApplication uiApp)
+            {
+                return uiApp.ActiveUIDocument != null;
+            }
+
+            return true;
+        }
+
+        protected override Result Invoke(ExternalCommandData commandData, ref string message, ElementSet elements)
+        {
+            var uidoc = commandData.Application.ActiveUIDocument;
+
+            var doc = uidoc.Document;
+
+            while (true)
+            {
+                try
+                {
+                    var reference = uidoc.Selection.PickObject(Autodesk.Revit.UI.Selection.ObjectType.Element, "请选择要删除的元素 :");
+
+                    doc.Invoke(m =>
+                    {
+                        try
+                        {
+                            doc.Delete(reference.ElementId);
+                        }
+                        catch (Exception ex)
+                        {
+                            Autodesk.Revit.UI.TaskDialog.Show("错误", ex.Message);
+                        }
+                    });
+                }
+                catch (Exception ex)
+                {
+                    return Result.Cancelled;
+                }
+            }
+        }
+    }
+}

Test.DotNet.RevitUI (2016)/Command/DeleteMatchElementCommand.cs

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+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using Autodesk.Windows;
+using DotNet.RevitUI;
+using DotNet.RevitUI.Helper;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Test.DotNet.RevitUI.View;
+using DotNet.RevitUI.MVVM.Extension;
+
+namespace Test.DotNet.RevitUI.Command
+{
+    /// <summary>
+    /// 分段墙体
+    /// </summary>
+    /// <remarks>1 . 测试基于WPF MVVM 的事务开启</remarks>
+    /// <remarks>2 . 测试模态窗体立即调用命令</remarks>
+
+    public class DeleteMatchElementCommand : RevitCommand
+    {
+        protected override bool CanExecute(Autodesk.Windows.RibbonItem parameter)
+        {
+            if (parameter == null)
+            {
+                return true;
+            }
+
+            if (parameter.Tag is UIApplication uiApp)
+            {
+                return uiApp.ActiveUIDocument != null;
+            }
+
+            return true;
+        }
+
+        protected override Result Invoke(ExternalCommandData commandData, ref string message, ElementSet elements)
+        {
+            var rect = MainHelper.RevitMDIRect;
+
+            var main = new MainDeleteMatchElement()
+            {
+                Top = rect.Top + 5,
+                Left = rect.Left
+            };
+
+            main.ShowDialog(MainHelper.RevitHandle);
+
+            return Result.Succeeded;
+        }
+    }
+}

Test.DotNet.RevitUI (2016)/Command/FlowButton1Command.cs

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+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using Autodesk.Windows;
+using DotNet.RevitUI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Test.DotNet.RevitUI.Command
+{
+    public class FlowButton1Command : RevitCommand
+    {
+        protected override bool CanExecute(Autodesk.Windows.RibbonItem parameter)
+        {
+            return true;
+        }
+
+        protected override Result Invoke(ExternalCommandData commandData, ref string message, ElementSet elements)
+        {
+            Autodesk.Revit.UI.TaskDialog.Show("提示", "测试  Flow Button1 Command 有效点击 ");
+
+            return Result.Succeeded;
+        }
+    }
+
+}

Test.DotNet.RevitUI (2016)/Command/FlowButton2Command.cs

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+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using DotNet.RevitUI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Test.DotNet.RevitUI.Command
+{
+    public class FlowButton2Command : RevitCommand
+    {
+        protected override bool CanExecute(Autodesk.Windows.RibbonItem parameter)
+        {
+            return true;
+        }
+
+        protected override Result Invoke(ExternalCommandData commandData, ref string message, ElementSet elements)
+        {
+            Autodesk.Revit.UI.TaskDialog.Show("提示", "测试  Flow Button2 Command 有效点击 ");
+
+            return Result.Succeeded;
+        }
+    }
+}

Test.DotNet.RevitUI (2016)/Command/SplitButton1Command.cs

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+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using Autodesk.Windows;
+using DotNet.RevitUI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Test.DotNet.RevitUI.Command
+{
+    public class SplitButton1Command : RevitCommand
+    {
+        protected override bool CanExecute(Autodesk.Windows.RibbonItem parameter)
+        {
+            return true;
+        }
+
+        protected override Result Invoke(ExternalCommandData commandData, ref string message, ElementSet elements)
+        {
+            Autodesk.Revit.UI.TaskDialog.Show("提示", "测试 Split Button1 Command 有效点击 ");
+
+            return Result.Succeeded;
+        }
+    }
+}

Test.DotNet.RevitUI (2016)/Command/SplitButton2Command.cs

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+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using DotNet.RevitUI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Test.DotNet.RevitUI.Command
+{
+
+    public class SplitButton2Command : RevitCommand
+    {
+        protected override bool CanExecute(Autodesk.Windows.RibbonItem parameter)
+        {
+            return true;
+        }
+
+        protected override Result Invoke(ExternalCommandData commandData, ref string message, ElementSet elements)
+        {
+            Autodesk.Revit.UI.TaskDialog.Show("提示", "测试 Split Button2 Command 有效点击 ！");
+
+            return Result.Succeeded;
+        }
+    }
+}