Default Context Menu in WPF Syntax Editor

25 Jul 20221 minute to read

ShowDefaultContextMenu

EditControl has a built-in context menu which enables users to easily perform common text editing operations. The default context menu can be enabled/disabled using ShowDefaultContextMenu property. By default, this property is set to true.

Set the ShowDefaultContextMenu property of EditControl by using the following code.

<sfedit:EditControl x:Name="editControl" ShowDefaultContextMenu="True"/>
editControl.ShowDefaultContextMenu = true;

The following image displays the Outlining Menu Expanded window.

Default-Context-Menu_img1

Functionalities supported by EditControl’s ContextMenu

EditControl’s built-in context menu supports the following functionalities.

Command

 Usage
Undo

 Revert the previous action performed in the EditControl
Redo

 Performs the action again that was reverted using Undo command
Cut

 Cut the selected text
Copy

 Copy the selected text
Paste

 Paste the text in the clipboard in the current cursor location.
Select All

 Selects all the text in the EditControl
Outlining -> Expand All

Expands all the collapsed blocks in the text. This functionality is supported only when the EnableOutlining is set to `true` and the language supports outlining.
Outlining -> Collapse All

 Hides all the blocks in the EditControl’s text. This functionality is supported only when the EnableOutlining is set to `true` and the language supports outlining.
Increase Indent

 Appends a series of empty characters (tab) in front of the first valid character in the line. This command can be performed on an individual line or selected lines.
Decrease Indent

 Removes a series of empty characters (tab) if any, in front of the first valid character in the line. This command can be performed on an individual line or selected lines
Comment Lines

 It detects the supported comment Lexem from the Language configuration of EditControl’s current language and appends it to individual or multiple selected lines.
Uncomment Line

 Removes the comment from the individual or selected lines.