添加项目文件。

WPFMonitorRevitAPI-master/WPFMonitorProgress/Mode/ChangeParameter.cs

@@ -0,0 +1,94 @@
+using Autodesk.Revit.DB;
+using Autodesk.Revit.UI;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WPFMonitorProgress.Models
+{
+    internal class ChangeParameter
+    {
+        private Wall CurrentWall { get; set; }
+        private Controls.ProgressMonitorControl CurrentControl { get; set; }
+        private Views.ProgressMonitorView CurrentUI { get; set; }
+        private bool Cancel { get; set; }
+
+        private delegate void ProgressBarDelegate();
+
+        public ChangeParameter(Element wallElement)
+        {
+            CurrentWall = wallElement as Wall;
+        }
+
+        public void ProgressModal()
+        {
+            if (CurrentWall == null)
+                throw new Exception("Selected Element is not a wall");
+
+            CurrentControl = new Controls.ProgressMonitorControl();
+            CurrentControl.MaxValue = 100;
+            CurrentUI = new Views.ProgressMonitorView();
+            CurrentUI.DataContext = CurrentControl;
+            CurrentUI.Closed += CurrentUI_Closed;
+            CurrentUI.ContentRendered += FireUPModal;
+
+            CurrentUI.ShowDialog();
+        }
+
+        private void FireUPModal(object sender, EventArgs e)
+        {
+            CurrentUI.ContentRendered -= FireUPModal;
+            Parameter parameter = CurrentWall.get_Parameter(BuiltInParameter.DOOR_NUMBER);
+            if (parameter.IsReadOnly)
+            {
+                CloseWindow();
+                throw new Exception("Mark parameter is read only");
+            }
+
+            using (Transaction t = new Transaction(CurrentWall.Document, "Process"))
+            {
+                t.Start();
+                for (CurrentControl.CurrentValue = 0; CurrentControl.CurrentValue <= CurrentControl.MaxValue; ++CurrentControl.CurrentValue)
+                {
+                    if (Cancel)
+                        break;
+
+                    System.Threading.Thread.Sleep(50);
+
+                    #region DoSomething
+
+                    try
+                    {
+                        parameter.Set(CurrentControl.CurrentValue.ToString());
+                    }
+                    catch
+                    {
+                        CloseWindow();
+                        throw new Exception("Error trying to set Mark paramter");
+                    }
+
+                    #endregion DoSomething
+
+                    CurrentControl.CurrentContext = string.Format("progress {0} of {1} done", CurrentControl.CurrentValue, CurrentControl.MaxValue);
+                    CurrentUI.Dispatcher.Invoke(new ProgressBarDelegate(CurrentControl.NotifyUI), System.Windows.Threading.DispatcherPriority.Background);
+                }
+                t.Commit();
+            }
+
+            CloseWindow();
+        }
+
+        private void CloseWindow()
+        {
+            CurrentUI.Closed -= CurrentUI_Closed;
+            CurrentUI.Close();
+        }
+
+        private void CurrentUI_Closed(object sender, EventArgs e)
+        {
+            Cancel = true;
+        }
+    }
+}