Gets a value indicating whether the prompt character should be treated as a valid input character or not.
Assembly: System (in System.dll)
The property's value is set in the MaskedTextProvider constructor.
Even when is true, the prompt character must be valid for the current location in the mask in order to be accepted.
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.