Parameters

sourceFileName

A string containing the name of the file to copy. [Edit]

destFileName

A string containing the name of the destination file. Cannot specify the name of a directory. [Edit]

overwrite

A bool value. Specify true if the destination file can be overwritten; otherwise false. [Edit]

Permissions

Type	Reason
System.Security.Permissions.FileIOPermission [Edit]	Requires permission to read the source file and write the destination file. See System.Security.Permissions.FileIOPermissionAccess.Read and System.Security.Permissions.FileIOPermissionAccess.Write.

Exceptions

Type	Reason
System.IO.IOException	destFileName is read-only (write-protected), or destFileName exists and overwrite is false . -or- An I/O error occurred. [Edit]
ArgumentNullException	sourceFileName or destFileName is null. [Edit]
ArgumentException	sourceFileName or destFileName is a zero-length string, contains only white space, or contains one or more invalid characters. -or- sourceFileName or destFileName specifies a directory. [Edit]
System.Security.SecurityException	The caller does not have the required permission. [Edit]
System.IO.DirectoryNotFoundException	Directory information in destFileName or sourceFileName was not found. [Edit]
System.IO.FileNotFoundException	sourceFileName was not found. [Edit]
System.IO.PathTooLongException	The length or the absolute path information for sourceFileName or destFileName exceeds the system-defined maximum length. [Edit]
UnauthorizedAccessException	The caller does not have the required permission. [Edit]

Remarks

The sourceFileName and destFileName arguments are permitted to specify relative or absolute path information. Relative path information is interpreted as relative to the current working directory.

Note: To obtain the current working directory, see Directory.GetCurrentDirectory.

[Edit]

Requirements

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