Fixed some null reference exceptions #1170

AvalonDock Fixed some null reference exceptions #1170

https://github.com/xceedsoftware/wpftoolkit/pull/1170/files

https://github.com/xceedsoftware/wpftoolkit/issues/1138

v3.4.0.6

• Added Czech Localization and corrected zh-Hans localization
• Fixed Issue #8

Fix for Issue #1379

xceedsoftware/wpftoolkit#1379
Release_3.4.04.zip

Known BugFixes + Feature Added VS2013 Theme

v3.4.03

Added comments in themes/Generic.xaml of VS2013 theme to document imp…

Releasing Original Version 3.4 + BugFixes + Log4Net

v3.4.01

Update README.md

Fixing ContectMenu Background Problem in Dark Theme

105e9d9

Initial Relaese and BugFix based on Version 3.2 from Xceed

V1.0.0

Update README.md