Parameters

path

A string containing the path information to modify.

extension

A string containing the new extension. Specify null to remove an existing extension from path.

Returns

A string containing the modified path information.

Platforms that do not support this feature return path unmodified.

Exceptions

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

Remarks

The exact behavior of this method is implementation-specific. This method checks path for invalid characters as defined by the current platform and file system.

Requirements

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