…exist on the left, right and bottom in addition to the top. Also Added attached property in TabControlAssist for settings vertical alignment since it might need to be set when using left/right tabs.
Note: I added the property TabControlAssist.TabHeaderVerticalAlignment, TabControlAssist.TabHeaderAlignment should probably be renamed to TabHeaderHorizontalAlignment but that would be a breaking change for existing users.
…exist on the left, right and bottom in addition to the top. Also Added attached property in TabControlAssist for settings vertical alignment since it might need to be set when using left/right tabs.
Note: I added the property TabControlAssist.TabHeaderVerticalAlignment, TabControlAssist.TabHeaderAlignment should probably be renamed to TabHeaderHorizontalAlignment but that would be a breaking change for existing users.