| Name | Description | |
|---|---|---|
  | CanCreateFile | Overloaded. Tests for the ability to create (write) the specified file |
| CanDeleteFile | Tests for the ability to delete the specified file. Warning: If this method succeeds the specified file is DELETED. |
| CanReadExistingFile | Tests for the ability to open an existing file for read access. |
| CanWriteExistingFile | Tests for the ability to open an existing file for write access. |
| CopyDirectory | Copies the contents of the source directory to the target |
| FormatFileSize | Gets a human readble number from the file size |
| GetResizedImage | Overloaded. Resizes a given image to the specified width and height |
| GetResizeInfo | Overloaded. Determines the best resize dimensions for an image. |
| GetSafeBaseImageName | Gets a string that is suitable for use as a base image name |
| GetUniqueFileName | Gets a unique file name based on the given file name. If a file with same name already exists in the given path it will add numbers to the name until a unique name is found |
| IsExtensionValid | Indicates whether a filename has a valid extension |
| IsImageFile | Tests a file to see whether it is an image. |
| IsTextFile | Checks a file extension to see whether it is recognized as a text file. |
| ReadText | Reads all data from the given file in a text string |
| SafeMapPath | Helper method to map relative paths to absolute paths |
| SaveToTextFile | Overloaded. Save or append text into a text file, saves using a default encoding as UTF-8. |
| WriteBytes | Overloaded. Records a textual byte-by-byte representation of the given data to the file specified |
| WriteImageFile | Overloaded. Writes an image to the file name specified |
