ClassRadOpenFileDialog
Represents a dialog that allows user selection of filename for a file to be opened.
Definition
Namespace:Telerik.Windows.Controls
Assembly:Telerik.Windows.Controls.FileDialogs.dll
Syntax:
[TelerikToolboxCategory("File Dialogs")]
public class RadOpenFileDialog : DialogWindowBase, INotifyLayoutChange, IDragAware, IMultiSelectable, IMultiFilesSelectable, IFileExtensionFilterable
Inheritance: objectWindowBaseDialogWindowBaseRadOpenFileDialog
Implements:
Inherited Members
Constructors
RadOpenFileDialog()
Initializes a new instance of the RadOpenFileDialog class.
Declaration
public RadOpenFileDialog()
Properties
DefaultExt
Gets or sets a value that specifies the default extension string to use to filter the list of files that are displayed.
Declaration
public string DefaultExt { get; set; }
Property Value
Implements
DereferenceLinks
Gets or sets a value indicating whether a file dialog returns either the location of the file referenced by a shortcut or the location of the shortcut file.
FileNames
Gets or sets a string containing the selected file names, including their paths.
Declaration
public IEnumerable<string> FileNames { get; protected set; }
Property Value
Implements
Filter
Gets or sets the filter string that describes the list of extensions to filter by.
FilterIndex
Gets or sets the currently selected extension filter from the extensions described in the Filter property. The index value of the first filter entry is 1.
Multiselect
Gets or sets a value indicating whether multiple selection of files or folders is allowed.
ReadOnlyChecked
Gets or sets a value indicating whether the read-only check box is selected.
SafeFileNames
Gets or sets a string containing the selected file names, excluding their paths.
Declaration
public IEnumerable<string> SafeFileNames { get; protected set; }
Property Value
Implements
ShowReadOnly
Gets or sets a value indicating whether the dialog contains a read-only check box.
Methods
OnCreateAutomationPeer()
Create the automation peer for this class.
Declaration
protected override AutomationPeer OnCreateAutomationPeer()
Returns
AutomationPeer
Overrides
OnInitialized(EventArgs)
Declaration
protected override void OnInitialized(EventArgs e)
Parameters
e
OpenFile()
Opens a read-only stream for the file that is selected by the user using RadOpenFileDialog />.
Declaration
[SecurityCritical]
public Stream OpenFile()
Returns
A new Stream that contains the selected file.
Exceptions
Selected file is null.
Selected file is empty string, contains only white space, contains one or more invalid characters, or refers to a non-file device.
Selected file refers to a non-file device.
Selected file cannot be found, such as when mode is FileMode.Truncate or FileMode.Open, and the file specified by path does not exist. The file must already exist in these modes.
An I/O error occurred or the stream has been closed.
The caller does not have the required permission.
Selected file is invalid, such as being on an unmapped drive.
The access requested is not permitted by the operating system for the specified path, such as when access is Write or ReadWrite and the file or directory is set for read-only access.
The specified path, file name, or both exceed the system-defined maximum length. For example, on Windows-based platforms, paths must be less than 248 characters, and file names must be less than 260 characters.
The specified mode contains an invalid value.