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Windows2 Interface

The Windows collection contains all windows in the environment.

Namespace:  EnvDTE80
Assembly:  EnvDTE80 (in EnvDTE80.dll)

public interface Windows2 : Windows

The Windows2 type exposes the following members.

Public propertyCountGets a value indicating the number of objects in the Windows2 collection.
Public propertyDTEGets the top-level extensibility object.
Public propertyParentGets the immediate parent object of a Windows2 collection.

Public methodCreateLinkedWindowFrameCreates a Window object and places two windows in it.
Public methodCreateToolWindowCreates a new tool window containing the specified Document object or ActiveX control.
Public methodCreateToolWindow2Creates a new tool window and hosts a user-defined, .NET control in it.
Public methodGetEnumeratorGets an enumeration for items in a collection.
Public methodItemReturns an indexed member of a Windows collection.

This example links together the Output Window, the Command Window, and Solution Explorer. It then manipulates the width and height of these linked windows, and it finally undocks them all from the linked window frame.

For more information about how to run this example as an add-in, see How to: Compile and Run the Automation Object Model Code Examples.

using EnvDTE;
using EnvDTE80;
using System.Windows.Forms;
public void OnConnection(object application, ext_ConnectMode
 connectMode, object addInInst, ref Array custom)
    _applicationObject = (DTE2)application;
    _addInInstance = (AddIn)addInInst;
public void LinkedWindowsExample(DTE2 dte)
    Window2 Frame;
    Windows2 wins;
    wins = (EnvDTE80.Windows2)_applicationObject.Windows;
    Window2 w1 = 
Window2 w2 =
    Window2 w3 = 
    // Create a linked window frame and dock Solution Explorer
    // and the Output window together inside it.
    Frame = (EnvDTE80.Window2)wins.CreateLinkedWindowFrame
(w1, w2, vsLinkedWindowType.vsLinkedWindowTypeDocked);
    MessageBox.Show("Total number of windows in the linked 
window frame: " + Frame.LinkedWindows.Count);
    // Add another tool window, the Command window, to the frame with
    // the other two.
    MessageBox.Show("Total number of windows in the linked 
window frame: " + Frame.LinkedWindows.Count);
    // Resize the entire linked window frame.
    Frame.Width = 500;
    Frame.Height = 600;
    MessageBox.Show("Frame height and width changed.
 Now changing Command window height.");
    // Resize the height of the Command window.
    Frame.LinkedWindows.Item(3).Height = 800;
    MessageBox.Show("Now undocking the Command window from 
the frame.");
    // Undock the Command window from the frame.
    MessageBox.Show("Now undocking the rest of the windows 
from the frame.");

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