RadTextBox With DropDownButton

[IT]

01.internal class RadTextBoxWithDropDownButton : RadTextBox
02.{
03.    public RadDropDownButtonElement DropDownButtonElement { get; private set; }
04.
05.    public RadTextBoxWithDropDownButton()
06.    {
07.        DropDownButtonElement = new RadDropDownButtonElement
08.        {
09.            Padding = new Padding(2, 0, 2, -2),
10.            Margin = new Padding(0, 0, 0, 0),
11.            Text = " "
12.        };
13.
14.        var stackLayoutElement = new StackLayoutElement
15.        {
16.            Orientation = Orientation.Horizontal,
17.            Margin = new Padding(1, 0, 1, 0)
18.        };
19.
20.        stackLayoutElement.Children.Add(DropDownButtonElement);
21.
22.        var textBoxItem = TextBoxElement.TextBoxItem;
23.        TextBoxElement.Children.Remove(textBoxItem);
24.
25.        var dockLayoutPanel = new DockLayoutPanel();
26.        dockLayoutPanel.Children.Add(stackLayoutElement);
27.        dockLayoutPanel.Children.Add(textBoxItem);
28.        DockLayoutPanel.SetDock(textBoxItem, Telerik.WinControls.Layouts.Dock.Left);
29.        DockLayoutPanel.SetDock(stackLayoutElement, Telerik.WinControls.Layouts.Dock.Right);
30.
31.        TextBoxElement.Children.Add(dockLayoutPanel);
32.
33.        TextBoxElement.Padding = new Padding(1, 1, 1, 1);
34.        Margin = new Padding(0, 1, 0, 0);
35.    }
36.}

[Dess | Tech Support Engineer, Principal]

Hello Fabricio,

Thank you for writing.

The provided sample code snippet is greatly appreciated. The following help article demonstrates a approach for inserting a RadElement in RadTextBox: http://docs.telerik.com/devtools/winforms/editors/textbox/adding-buttons-to-radtextbox

I hope this information helps. Should you have further questions I would be glad to help.

 Regards,
Dess
Telerik