c# Where can find System.Windows.Controls.dll

Question

I have problem with dll file and have project which need this file System.Windows.Controls.dll for

listBox1.ItemsSource

error fix , and a

Answer 1

This should be in the PresentationFramework.dll but that control is in the System.Windows.Controls namespace.

http://msdn.microsoft.com/en-us/library/system.windows.controls.listbox.aspx

You can add it by going to your project, Right clicking on References > Add Reference > .Net Tab > And selecting this DLL

Answer 2

Here are the steps:

1. Right click on References in the Solutions Explorer (Solutions explorer is on the right of your IDE)
2. Select Add Reference
3. In the window that opens, Select Assemblies > Framework
4. Check the PresentationFramework component box and click ok

Answer 3

I was able to find the dll file by searching my computer for "System.Windows.Controls.dll". I found it under the following file location... "C:\Program Files (x86)\Microsoft SDKs\Silverlight\v3.0\Libraries\Client\System.Windows.Controls.dll"

Hope this helps!