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    ActivationAction Enumeration
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     MemoEdit Members
     MemoEdit Constructor
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 End-User Documentation
View this topic on docs.devexpress.com (Learn more)

MemoEdit Class

Represents an editor that displays a multi-line edit box in its popup.

Namespace:DevExpress.Xpf.Editors
Assembly:DevExpress.Xpf.Core.v19.2.dll

Expanded Syntax

Expanded Remarks

The MemoEdit control represents an editor which allows you to display and edit multi-line text in its popup.

Tip

To display multi-line text without the popup, use the TextEdit control with the TextEditBase.TextWrapping option set to Wrap.

This editor is useful to edit and display multi-line text in a limited space (in edit forms, in GridControl cells, etc).

Tip

The MemoEdit class inherits its features from the PopupBaseEdit class.

Refer to the PopupBaseEdit class description for information on derived features and API.

Note

The MemoEdit control does not support Masked Input.

Create a MemoEdit

Editor Value

You can specify the editor's value using the BaseEdit.EditValue or TextEditBase.Text property.

To respond to changing the editor's value, handle the BaseEdit.EditValueChanged event. To check the new value's validity, handle the BaseEdit.Validate event.

Text Display

The MemoEdit displays an icon in the textbox area by default.

The icon has a different appearance depending on whether the editor value is empty or not.

To display the first text line instead of the icon, set the ShowIcon property to false.

You can use the MemoTextWrapping property to specify whether long strings, which do not contain any return characters, are wrapped automatically at the right edge of a memo edit control. To specify whether scroll bars should be displayed in a memo editor, use the MemoHorizontalScrollBarVisibility and MemoVerticalScrollBarVisibility properties.

Text Edit Options

The MemoAcceptsReturn and MemoAcceptsTab properties specify how a memo editor interprets ENTER and TAB key presses. If a memo editor accepts returns (MemoAcceptsReturn is true), inserting carriage-return/linefeed characters creates a new text line. Otherwise, return key presses are processed by the container control.

Example

The code sample below illustrates how to add a MemoEdit in read-only mode, and disable buttons in its popup.

Expanded Inheritance Hierarchy

System.Object
    System.Windows.Threading.DispatcherObject
       System.Windows.DependencyObject
          System.Windows.Media.Visual
             System.Windows.UIElement
                System.Windows.FrameworkElement
                   System.Windows.Controls.Control
                      BaseEdit
                         TextEditBase
                            TextEdit
                               ButtonEdit
                                  PopupBaseEdit
                                     MemoEdit

Expanded See Also

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