在本示例中,程序监控Revit打开文件事件,并在创建的窗体中更新文件信息。

 

#region Namespaces
using System;
using System.Collections.Generic;
using System.Data;
using Autodesk.Revit.ApplicationServices;
using Autodesk.Revit.Attributes;
using Autodesk.Revit.DB;
using Autodesk.Revit.UI;
#endregion namespace ChangesMonitor
{
[Autodesk.Revit.Attributes.Transaction(TransactionMode.Manual)]
[Autodesk.Revit.Attributes.Regeneration(RegenerationOption.Manual)]
[Autodesk.Revit.Attributes.Journaling(JournalingMode.NoCommandData)]
class App : IExternalApplication
{
private static ControlledApplication m_CtrlApp;
private static DataTable m_ChangesInfoTable;
private static ChangesInformationForm m_InfoForm; public static DataTable ChangesInfoTalbe
{
get { return m_ChangesInfoTable; }
set { m_ChangesInfoTable = value; }
} public static ChangesInformationForm InfoForm
{
get { return App.m_InfoForm; }
set { App.m_InfoForm = value; }
} public Result OnStartup(UIControlledApplication a)
{
m_CtrlApp = a.ControlledApplication;
m_ChangesInfoTable = CreateChangeInfoTable();
m_InfoForm = new ChangesInformationForm(ChangesInfoTalbe); m_CtrlApp.DocumentChanged += m_CtrlApp_DocumentChanged; m_InfoForm.Show(); return Result.Succeeded;
} void m_CtrlApp_DocumentChanged(object sender, Autodesk.Revit.DB.Events.DocumentChangedEventArgs e)
{
Document doc = e.GetDocument(); ICollection<ElementId> addedElem = e.GetAddedElementIds();
foreach (ElementId id in addedElem)
{
AddChangeInfoRow(id, doc, "Added");
} ICollection<ElementId> deletedElem = e.GetDeletedElementIds();
foreach (ElementId id in deletedElem)
{
AddChangeInfoRow(id, doc, "Deleted");
} ICollection<ElementId> modifiedElem = e.GetModifiedElementIds();
foreach (ElementId id in modifiedElem)
{
AddChangeInfoRow(id, doc, "Modified");
} } public Result OnShutdown(UIControlledApplication a)
{
m_CtrlApp.DocumentChanged -= m_CtrlApp_DocumentChanged;
m_InfoForm = null;
m_ChangesInfoTable = null; return Result.Succeeded;
} private DataTable CreateChangeInfoTable()
{
// create a new dataTable
DataTable changesInfoTable = new DataTable("ChangesInfoTable"); // Create a "ChangeType" column. It will be "Added", "Deleted" and "Modified".
DataColumn styleColumn = new DataColumn("ChangeType", typeof(System.String));
styleColumn.Caption = "ChangeType";
changesInfoTable.Columns.Add(styleColumn); // Create a "Id" column. It will be the Element ID
DataColumn idColumn = new DataColumn("Id", typeof(System.String));
idColumn.Caption = "Id";
changesInfoTable.Columns.Add(idColumn); // Create a "Name" column. It will be the Element Name
DataColumn nameColum = new DataColumn("Name", typeof(System.String));
nameColum.Caption = "Name";
changesInfoTable.Columns.Add(nameColum); // Create a "Category" column. It will be the Category Name of the element.
DataColumn categoryColum = new DataColumn("Category", typeof(System.String));
categoryColum.Caption = "Category";
changesInfoTable.Columns.Add(categoryColum); // Create a "Document" column. It will be the document which own the changed element.
DataColumn docColum = new DataColumn("Document", typeof(System.String));
docColum.Caption = "Document";
changesInfoTable.Columns.Add(docColum); // return this data table
return changesInfoTable;
} private void AddChangeInfoRow(ElementId id, Document doc, string changeType)
{
Element elem = doc.GetElement(id); DataRow newRow = m_ChangesInfoTable.NewRow(); if(elem==null)
{
// this branch is for deleted element due to the deleted element cannot be retrieve from the document.
newRow["ChangeType"] = changeType;
newRow["Id"] = id.IntegerValue.ToString();
newRow["Name"] = "";
newRow["Category"] = "";
newRow["Document"] = "";
}
else
{
newRow["ChangeType"]=changeType;
newRow["Id"]=id.IntegerValue.ToString();
newRow["Name"]=elem.Name;
newRow["Category"]=elem.Category.Name;
newRow["Document"]=doc.Title;
} m_ChangesInfoTable.Rows.Add(newRow);
}
}
}

 

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms; namespace ChangesMonitor
{
public partial class ChangesInformationForm : Form
{
public ChangesInformationForm()
{
InitializeComponent(); } public ChangesInformationForm(DataTable dataBuffer)
:this()
{
changesdataGridView.DataSource = dataBuffer;
changesdataGridView.AutoGenerateColumns = false; } private void ChangesInfoForm_Shown(object sender, EventArgs e)
{
int left = Screen.PrimaryScreen.WorkingArea.Right - this.Width - 5;
int top = Screen.PrimaryScreen.WorkingArea.Bottom - this.Height;
Point windowLocation = new Point(left, top);
this.Location = windowLocation; } private void changesdataGridView_RowsAdded(object sender, DataGridViewRowsAddedEventArgs e)
{
changesdataGridView.CurrentCell = changesdataGridView.Rows[changesdataGridView.Rows.Count - 1].Cells[0];
} private void ChangesInformationForm_FormClosed(object sender, FormClosedEventArgs e)
{
App.InfoForm = null;
} }
}

 

 

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms; namespace ChangesMonitor
{
public partial class ChangesInformationForm : Form
{
public ChangesInformationForm()
{
InitializeComponent(); } public ChangesInformationForm(DataTable dataBuffer)
:this()
{
changesdataGridView.DataSource = dataBuffer;
changesdataGridView.AutoGenerateColumns = false; } private void ChangesInfoForm_Shown(object sender, EventArgs e)
{
int left = Screen.PrimaryScreen.WorkingArea.Right - this.Width - 5;
int top = Screen.PrimaryScreen.WorkingArea.Bottom - this.Height;
Point windowLocation = new Point(left, top);
this.Location = windowLocation; } private void changesdataGridView_RowsAdded(object sender, DataGridViewRowsAddedEventArgs e)
{
changesdataGridView.CurrentCell = changesdataGridView.Rows[changesdataGridView.Rows.Count - 1].Cells[0];
} private void ChangesInformationForm_FormClosed(object sender, FormClosedEventArgs e)
{
App.InfoForm = null;
} }
}

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