Revit 二次开发 PickObjects完成按钮的触发

窗体代码

using System.Windows.Forms;

using Autodesk.Revit.UI;

using Autodesk.Revit.DB;

namespace HelloWorld

{

    public partial class Form1 : System.Windows.Forms.Form

    {

        public Form1()

        {

            InitializeComponent();

        }

        [DllImport("user32.dll", EntryPoint = "FindWindow")]

        internal static extern IntPtr FindWindow(string ClassName, string WindowNamw);

        [DllImport("user32.dll")]

        internal static extern int SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, int lParam);

        internal const int WM_CLICK = 0x00f5;

        [DllImport("user32")]

        internal static extern bool EnumChildWindows(IntPtr window, EnumWindowProc callback, IntPtr lparam);

        internal delegate bool EnumWindowProc(IntPtr hWnd, IntPtr parameter);//回调函数

        [DllImport("user32.dll", EntryPoint = "FindWindowEx")]

        internal static extern IntPtr FindWindowEx(IntPtr hwndParent, IntPtr hwndChildAfter, string lpszClass, string lpszWindow);

        [DllImport("user32.dll")]

        internal static extern bool SetForegroundWindow(IntPtr hWnd);  //设置窗体获得焦点

        internal static IntPtr finish;

        ExecuteEvent Exc = null;

        ExternalEvent eventHandler = null;

        private void Form1_Load(object sender, EventArgs e)

        {

            Exc = new ExecuteEvent();

            eventHandler = ExternalEvent.Create(Exc);

        }

        public static void SetOk()

        {

            IntPtr Revit = Autodesk.Windows.ComponentManager.ApplicationWindow;

            if (Revit != IntPtr.Zero)

            {

                FindChildClassHwnd(Revit, IntPtr.Zero);

                SendMessage(finish, WM_CLICK, IntPtr.Zero, 0);

            }

        }

        internal static bool FindChildClassHwnd(IntPtr hwndParent, IntPtr lParam)

        {

            EnumWindowProc childProc = new EnumWindowProc(FindChildClassHwnd);

            IntPtr hwnd = FindWindowEx(hwndParent, IntPtr.Zero, "Button", "完成");

            if (hwnd != IntPtr.Zero)

            {

                finish = hwnd;

                return false;

            }

            EnumChildWindows(hwndParent, childProc, IntPtr.Zero);

            return true;

        }

        private void button1_Click(object sender, EventArgs e)

        {

            SetOk();

            this.Close();

        }

        private void button3_Click(object sender, EventArgs e)

        {

            eventHandler.Raise();

        }

    }

    public class ExecuteEvent : IExternalEventHandler

    {

        public void Execute(UIApplication app)

        {

            Document doc = app.ActiveUIDocument.Document;

            UIDocument uidoc = app.ActiveUIDocument;

            //框选目标构件群

            IList list = uidoc.Selection.PickObjects(Autodesk.Revit.UI.Selection.ObjectType.Element, "");

            foreach (Reference refer in list)

            { 

                //逻辑代码

            }

        }

        public string GetName()

        {

            return "this is a Test";

        }

    }

}

转自:http://blog.sina.com.cn/s/blog_16796559b0102y8fs.html