Parameters

path

The file to be opened for reading.

Returns

A System.IO.StreamReader on the specified path.

Exceptions

Type	Reason
System.Security.SecurityException	The caller does not have the required permission.
ArgumentException	path is a zero-length string, contains only white space, or contains one or more implementation-specific invalid characters.
System.IO.FileNotFoundException	path was not found.
ArgumentNullException	path is null.
System.IO.DirectoryNotFoundException	The directory information specified in path was not found.
System.IO.PathTooLongException	The length of path or the absolute path information for path exceeds the system-defined maximum length.
UnauthorizedAccessException	The caller does not have the required permission.

Remarks

This method is equivalent to the StreamReader.#ctor(string) constructor overload.

The path parameter is permitted to specify relative or absolute path information. Relative path information is interpreted as relative to the current working directory. To obtain the current working directory, see Directory.GetCurrentDirectory.

For a list of common I/O tasks, see Common I/O Tasks.

Permissions

Requirements