visual studio 2010 - 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 add reference with this dll to fix error. Where i can find this dll file? Is there any download link ? Share please ! Thanks !

In "Add Reference" it doesn't exist !

Solution: http://download.microsoft.com/download/7/7/6/776875B7-AD81-44D4-AA47-648D1BCB097E/silverlight_sdk.exe

Answer 1

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