TCnOpenFileDialog.OpenFile Method
Opens the file selected by the user, with read-only permission. The file is specified by the FileName property.
public function OpenFile: _Stream;
Return Value
Type: _Stream
A Stream that specifies the read-only file selected by the user.
The OpenFile method is used to provide a facility to quickly open a file from the dialog box. The file is opened in read-only mode for security purposes. To open a file in read/write mode, you must use another method, such as FileStream.