UPDATE: Moved to Windows Community Toolkit

Most of these triggers has been moved to the Windows Community Toolkit and is where you'll see future enhancements happen. See:

Repo: https://github.com/windows-toolkit/WindowsCommunityToolkit
Docs: https://docs.microsoft.com/en-us/windows/communitytoolkit/helpers/triggers
Announcement: https://blogs.windows.com/windowsdeveloper/2020/06/15/announcing-windows-community-toolkit-v6-1/

WindowsStateTriggers

A collection of custom visual state triggers

If you like this library and use it a lot, consider sponsoring me. Anything helps and encourages me to keep going.

See here for details: https://github.com/sponsors/dotMorten

Get it on nuget:

   PM> Install-Package WindowsStateTriggers

See more information on my blog: http://www.sharpgis.net/post/2015/03/24/Using-Custom-Visual-State-Triggers

DeviceFamilyStateTrigger: Trigger based on the device family (Desktop, Mobile, IoT or Team)
NetworkConnectionStateTrigger: Trigger if internet connection is available or not
OrientationStateTrigger: Trigger based on portrait/landscape mode
IsTrueStateTrigger: Trigger if a value is true - REMOVED ! use StateTrigger and bind to IsActive
IsFalseStateTrigger: Trigger if a value is false
IsNullOrEmptyStateTrigger: Trigger if an object is null, or if a String or IEnumerable is empty
IsTypePresentStateTrigger: Trigger if a type is present (ie hardware backbutton etc)
EqualsStateTrigger: Trigger if Value is equal to EqualTo
NotEqualStateTrigger: Trigger if Value is not equal to NotEqualTo
CompareStateTrigger: Trigger if Value is equal, less than or greater than CompareTo
InputTypeTrigger: Trigger based on the PointerType you're using on the TargetElement
RegexStateTrigger: This trigger evaluates a regular expression against a string and triggers if a match is found.
CompositeStateTrigger: This trigger combines other triggers using, And, Or or Xor to create even more powerful triggers.

Run the test app to see a set of examples of these in use.

windowsstatetriggers