using System;

using System.Diagnostics;

using System.Runtime.InteropServices;

using System.Windows;

using System.Windows.Interop;

namespace CADSnoop.Model

{

public static class WindowHandle

{

[DllImport("kernel32.dll")]

public static extern uint GetCurrentThreadId();

/// <summary>

/// Sets the given window's owner to Cad window.

/// </summary>

/// <param name="dialog">Target window.</param>

public static void SetCadAsWindowOwner(this Window dialog)

{

if (null == dialog) { return; }

WindowInteropHelper helper = new WindowInteropHelper(dialog);

helper.Owner = FindCadWindowHandle();

}

/// <summary>

/// Finds the Cad window handle.

/// </summary>

/// <returns>Revit window handle.</returns>

public static IntPtr FindCadWindowHandle()

{

try

{

IntPtr foundRevitHandle = IntPtr.Zero;

uint currentThreadID = GetCurrentThreadId();

// Search for the Revit process with current thread ID.

Process[] revitProcesses = Process.GetProcessesByName("acad");

Process foundRevitProcess = null;

foreach (Process aRevitProcess in revitProcesses)

{

foreach (ProcessThread aThread in aRevitProcess.Threads)

{

if (aThread.Id == currentThreadID)

{

foundRevitProcess = aRevitProcess;

break;

}

} // For each thread in the process.

// When we have found our Revit process, then stop searching.

if (null != foundRevitProcess) { break; }

} // For each revit process found

if (null != foundRevitProcess)

{

foundRevitHandle = foundRevitProcess.MainWindowHandle;

}

return foundRevitHandle;

}

catch (Exception)

{

return IntPtr.Zero;

}

}

}

}