Determines whether the ResourceDictionary contains an element with the specified key.
public bool Contains(
The key to locate in the ResourceDictionary.
If the requested key is not in this resource dictionary, the resource lookup logic will also check the merged dictionaries.
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.