Char.ToLower Method (Char, CultureInfo)
Converts the value of a specified Unicode character to its lowercase equivalent using specified culture-specific formatting information.
Assembly: mscorlib (in mscorlib.dll)
The Unicode character to convert.
An object that supplies culture-specific casing rules.
Return ValueType: System.Char
The lowercase equivalent of c, modified according to culture, or the unchanged value of c, if c is already lowercase or not alphabetic.
Available since 1.1
Portable Class Library
Supported in: portable .NET platforms
Available since 2.0
Windows Phone Silverlight
Available since 7.0