|  | X509Certificate | 
 Syntax
Syntax Exceptions
Exceptions| Exception | Condition | 
|---|---|
| ArgumentNullException | fileName is . | 
| ArgumentException | fileName is a zero-length string, contains only white space, or contains one or more invalid characters. | 
| PathTooLongException | The specified path exceeds the maximum allowed path length of the system. | 
| DirectoryNotFoundException | A directory in the specified path does not exist. | 
| UnauthorizedAccessException | The user does not have access to create the specified file. | 
| IOException | An error occurred while writing to the stream. | 
 Remarks
Remarks See Also
See Also