RemoveRichEditCommandAction Class

An action that removes a bar item associated with a specific command. This action also deletes all links to this bar item from bars, menus, submenus, and other link holders.

Namespace: DevExpress.Xpf.RichEdit.Menu

Assembly: DevExpress.Xpf.RichEdit.v26.1.dll

NuGet Package: DevExpress.Wpf.RichEdit

public class RemoveRichEditCommandAction :
    RemoveBarItemLinkAction

Public Class RemoveRichEditCommandAction
    Inherits RemoveBarItemLinkAction

Remarks

Add a RemoveRichEditCommandAction instance to the PopupMenuShowingEventArgs.Customizations collection to remove command links for the command defined by the RemoveRichEditCommandAction.Id property.

RemoveRichEditCommandAction removes a bar item from the BarManager.Items collection and deletes all links to the bar item from link holders (bars, ribbon, menus, and so on).

Example

The example below customizes the Text context menu as follows:

Creates new Highlight Selection and Insert Picture items
Removes the Increase Indent and Decrease Indent items

XAML

<dxre:RichEditControl Name="richTextEditor" 
                      PopupMenuShowing="richTextEditor_PopupMenuShowing">

C#
VB.NET

using DevExpress.XtraRichEdit.API.Native;
using DevExpress.Xpf.RichEdit;
using DevExpress.Xpf.Bars;
using DevExpress.Xpf.RichEdit.Menu;
using DevExpress.XtraRichEdit.Commands;
// ...

private void richTextEditor_PopupMenuShowing(object sender, PopupMenuShowingEventArgs e) {
    // Check whether the event is raised for document text.
    if (e.MenuType == RichEditMenuType.Text) {
        // Create a menu item to insert a picture
        // and bind this item to the Rich Text Editor's command.
        e.Customizations.Add(new BarButtonItem() {
            Command = RichEditUICommand.InsertFloatingPicture,
            Content = "Insert Picture",
            CommandParameter = richTextEditor
        });

        // Create a custom menu item to highlight selected text.
        var menuItem = new BarButtonItem() {
            Name = "highlightSelectionItem",
            Content = "Highlight Selection"
        };
        menuItem.ItemClick += MenuItem_ItemClick; ;
        e.Customizations.Add(menuItem);
    }

    // Remove the "Increase Indent" item from the menu.
    e.Customizations.Add(new RemoveRichEditCommandAction() {
        Id = RichEditCommandId.IncreaseIndent
    });

    // Remove the "Decrease Indent" item from the menu.
    e.Customizations.Add(new RemoveRichEditCommandAction() {
        Id = RichEditCommandId.DecreaseIndent
    });
}

private void MenuItem_ItemClick(object sender, ItemClickEventArgs e) {
    var selectedRanges = richTextEditor.Document.Selections;
    foreach (var range in selectedRanges) {
        var charProps = richTextEditor.Document.BeginUpdateCharacters(range);
        charProps.BackColor = System.Drawing.Color.Yellow;
        richTextEditor.Document.EndUpdateCharacters(charProps);
    }
}

Imports DevExpress.XtraRichEdit.API.Native
Imports DevExpress.Xpf.RichEdit
Imports DevExpress.Xpf.Bars
Imports DevExpress.Xpf.RichEdit.Menu
Imports DevExpress.XtraRichEdit.Commands
' ...

Private Sub richTextEditor_PopupMenuShowing(ByVal sender As Object, ByVal e As PopupMenuShowingEventArgs)
    ' Check whether the event is raised for document text.
    If e.MenuType = RichEditMenuType.Text Then
        ' Create a menu item to insert a picture
        ' and bind this item to the Rich Text Editor's command.
        e.Customizations.Add(New BarButtonItem() With {
            .Command = RichEditUICommand.InsertFloatingPicture,
            .Content = "Insert Picture",
            .CommandParameter = richTextEditor
        })

        ' Create a custom menu item to highlight selected text.
        Dim menuItem As New BarButtonItem() With {
            .Name = "highlightSelectionItem",
            .Content = "Highlight Selection"
        }
        menuItem.ItemClick += MenuItem_ItemClick
        e.Customizations.Add(menuItem)
    End If

    ' Remove the "Increase Indent" item from the menu.
    e.Customizations.Add(New RemoveRichEditCommandAction() With {
        .Id = RichEditCommandId.IncreaseIndent})

    ' Remove the "Decrease Indent" item from the menu.
    e.Customizations.Add(New RemoveRichEditCommandAction() With {
        .Id = RichEditCommandId.DecreaseIndent})
End Sub

Private Sub MenuItem_ItemClick(ByVal sender As Object, ByVal e As ItemClickEventArgs)
    Dim selectedRanges As SelectionCollection = richTextEditor.Document.Selections
    For Each range As DocumentRange In selectedRanges
        Dim charProps As CharacterProperties = richTextEditor.Document.BeginUpdateCharacters(range)
        charProps.BackColor = System.Drawing.Color.Yellow
        richTextEditor.Document.EndUpdateCharacters(charProps)
    Next range
End Sub