添加项目文件。

2026-02-23 16:57:09 +08:00
parent 63b7094528
commit ebf06999d0
109 changed files with 7194 additions and 0 deletions
--- a/DotNet.Revit.ExternalEvent/ExternalEventHelper.cs
+++ b/DotNet.Revit.ExternalEvent/ExternalEventHelper.cs
@@ -0,0 +1,124 @@
+using Autodesk.Revit.UI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace DotNet.Revit.ExternalEvent
+{
+    /// <summary>
+    /// 外部事件的封装.
+    /// </summary>
+    public class ExternalEventHelper
+    {
+        private readonly ExternalEventHandlerCommon externalEventHandlerCommon;
+
+        private readonly Autodesk.Revit.UI.ExternalEvent externalEvent;
+
+        /// <summary>
+        /// 外部事件刚刚开始并且准备执行时触发.
+        /// </summary>
+        public event EventHandler<ExternalEventArg> Started;
+
+        /// <summary>
+        /// 外部事件结束时触发.
+        /// </summary>
+        public event EventHandler<ExternalEventArg> End;
+
+        public ExternalEventHelper(UIApplication uiApp)
+        {
+            this.externalEventHandlerCommon = new ExternalEventHandlerCommon();
+            this.externalEvent = Autodesk.Revit.UI.ExternalEvent.Create(this.externalEventHandlerCommon);
+
+            this.externalEventHandlerCommon.Started += externalEventCommon_Started;
+            this.externalEventHandlerCommon.End += externalEventCommon_End;
+        }
+
+        public ExternalEventHelper(UIControlledApplication uiControlApp)
+        {
+            this.externalEventHandlerCommon = new ExternalEventHandlerCommon();
+            this.externalEvent = Autodesk.Revit.UI.ExternalEvent.Create(this.externalEventHandlerCommon);
+
+            this.externalEventHandlerCommon.Started += externalEventCommon_Started;
+            this.externalEventHandlerCommon.End += externalEventCommon_End;
+        }
+
+        public void Invoke(Action<UIApplication> action, string name = "")
+        {
+            var nf = string.IsNullOrWhiteSpace(name) ? Guid.NewGuid().ToString() : name;
+            this.externalEventHandlerCommon.Actions.Enqueue(new KeyValuePair<string, Action<UIApplication>>(nf, action));
+            this.externalEvent.Raise();
+        }
+
+        private void externalEventCommon_End(object sender, ExternalEventArg e)
+        {
+            if (this.End != null)
+                this.End(this, e);
+        }
+
+        private void externalEventCommon_Started(object sender, ExternalEventArg e)
+        {
+            if (this.Started != null)
+                this.Started(this, e);
+        }
+
+        class ExternalEventHandlerCommon : IExternalEventHandler
+        {
+            internal Queue<KeyValuePair<string, Action<UIApplication>>> Actions { get; set; }
+
+            public event EventHandler<ExternalEventArg> Started;
+            public event EventHandler<ExternalEventArg> End;
+
+            internal ExternalEventHandlerCommon()
+            {
+                this.Actions = new Queue<KeyValuePair<string, Action<UIApplication>>>();
+            }
+
+            public void Execute(UIApplication app)
+            {
+                while (this.Actions.Count > 0)
+                {
+                    var first = this.Actions.Dequeue();
+
+                    if (string.IsNullOrWhiteSpace(first.Key) || first.Value == null)
+                        continue;
+
+                    try
+                    {
+                        if (this.Started != null)
+                            this.Started(this, new ExternalEventArg(app, first.Key));
+
+                        first.Value(app);
+                    }
+                    finally
+                    {
+                        this.End(this, new ExternalEventArg(app, first.Key));
+                    }
+                }
+            }
+
+            public string GetName()
+            {
+                return "";
+            }
+        }
+    }
+
+    /// <summary>
+    /// 外部事件参数.
+    /// </summary>
+    /// <seealso cref="System.EventArgs" />
+    public class ExternalEventArg : EventArgs
+    {
+        public ExternalEventArg(UIApplication app, string name)
+        {
+            this.App = app;
+            this.Name = name;
+        }
+
+        public UIApplication App { get; private set; }
+
+        public string Name { get; private set; }
+    }
+}