Mono Documentation

Returns a bool indicating whether the specified path includes an extension component. [Edit]

public static bool HasExtension (string path)

path
A string containing the path to search for an extension. [Edit]

true if path includes a file extension.
Platforms that do not support this feature return false.
[Edit]

Type Reason
ArgumentException path contains one or more implementation-specific invalid characters. [Edit]

Type	Reason
ArgumentException	path contains one or more implementation-specific invalid characters. [Edit]

[Edit]

Namespace: System.IO
Assembly: mscorlib (in mscorlib.dll)
Assembly Versions: 1.0.5000.0, 2.0.0.0