Adding items programmatically

RadButtonTextBox supports adding items at run time, which means that you can manually populate it with data. The following examples demonstrate how to add different button elements to the RadButtonTextBox's RightButtonItems and LeftButtonItems collections.

Figure 1: Adding button elements

Add button elements programmatically

Dictionary<int, string> glyphs = new Dictionary<int, string>();
List<RadButtonElement> buttons = new List<RadButtonElement>();
glyphs.Add(0, ""); //yammer 
glyphs.Add(1, ""); //twitter 
glyphs.Add(2, ""); //pinterest 
glyphs.Add(3, ""); //google 
glyphs.Add(4, ""); //facebook 
glyphs.Add(5, ""); //linkedin 
glyphs.Add(6, "\ue817"); //Reddit 
glyphs.Add(7, "\ue81d"); //Tumbler 
glyphs.Add(8, "\ue813"); // MySpace 
for (int i = 0; i < 9; i++)
{
    RadButtonElement radButtonElement = new RadButtonElement();
    radButtonElement.DisplayStyle = Telerik.WinControls.DisplayStyle.Text;
    radButtonElement.TextElement.CustomFont = "TelerikWebUI";
    radButtonElement.TextElement.CustomFontSize = 10;
    radButtonElement.TextElement.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias;
    radButtonElement.Text = glyphs[i];
    buttons.Add(radButtonElement);
}
radButtonTextBox1.RightButtonItems.AddRange(buttons[0], buttons[1], buttons[3], buttons[4]);
radButtonTextBox1.LeftButtonItems.AddRange(buttons[5], buttons[6], buttons[7], buttons[8]);
radButtonTextBox1.AutoSize = false;
radButtonTextBox1.Text = "";

Dim glyphs As Dictionary(Of Integer, String) = New Dictionary(Of Integer, String)()
Dim buttons As List(Of RadButtonElement) = New List(Of RadButtonElement)()
glyphs.Add(0, "")
glyphs.Add(1, "")
glyphs.Add(2, "")
glyphs.Add(3, "")
glyphs.Add(4, "")
glyphs.Add(5, "")
glyphs.Add(6, "")
glyphs.Add(7, "")
glyphs.Add(8, "")
For i As Integer = 0 To 9 - 1
    Dim radButtonElement As RadButtonElement = New RadButtonElement()
    radButtonElement.DisplayStyle = Telerik.WinControls.DisplayStyle.Text
    radButtonElement.TextElement.CustomFont = "TelerikWebUI"
    radButtonElement.TextElement.CustomFontSize = 10
    radButtonElement.TextElement.TextRenderingHint = System.Drawing.Text.TextRenderingHint.AntiAlias
    radButtonElement.Text = glyphs(i)
    buttons.Add(radButtonElement)
Next
RadButtonTextBox1.RightButtonItems.AddRange(buttons(0), buttons(1), buttons(3), buttons(4))
RadButtonTextBox1.LeftButtonItems.AddRange(buttons(5), buttons(6), buttons(7), buttons(8))
RadButtonTextBox1.AutoSize = False
RadButtonTextBox1.Text = ""

The following code snippet demonstrates how to add programmatically different types of elements in RadButtonTextBox:

Figure 2: Adding Different Elements

Add different elements programmatically

private void AddDifferentItems()
{
    this.radButtonTextBox1.Multiline = true;
    RadButtonElement buttonElement = new RadButtonElement();
    buttonElement.Text = "Button";
    buttonElement.Click += buttonElement_Click;
    this.radButtonTextBox1.LeftButtonItems.Add(buttonElement);
    RadToggleButtonElement toggleButtonElement = new RadToggleButtonElement();
    toggleButtonElement.Text = "ToggleButton";
    toggleButtonElement.ToggleStateChanged += toggleButtonElement_ToggleStateChanged;
    this.radButtonTextBox1.LeftButtonItems.Add(toggleButtonElement);
    CommandBarSeparator separator = new CommandBarSeparator();
    this.radButtonTextBox1.LeftButtonItems.Add(separator);
    RadRepeatButtonElement repeatButtonElement = new RadRepeatButtonElement();
    repeatButtonElement.Text = "RepeatButton";
    repeatButtonElement.Click += repeatButtonElement_Click;
    this.radButtonTextBox1.LeftButtonItems.Add(repeatButtonElement);
    RadCheckBoxElement checkBoxElement = new RadCheckBoxElement();
    checkBoxElement.Text = "CheckBox";
    checkBoxElement.CheckStateChanged += checkBoxElement_CheckStateChanged;
    this.radButtonTextBox1.RightButtonItems.Add(checkBoxElement);
}
private void checkBoxElement_CheckStateChanged(object sender, EventArgs e)
{
    RadMessageBox.Show("RRadCheckBoxElement is toggled");
}
private void repeatButtonElement_Click(object sender, EventArgs e)
{
    Console.WriteLine("RadRepeatButtonElement");
}
private void toggleButtonElement_ToggleStateChanged(object sender, StateChangedEventArgs args)
{
    RadMessageBox.Show("RadToggleButtonElement.ToggleState is changed to " + args.ToggleState.ToString());
}
private void buttonElement_Click(object sender, EventArgs e)
{
    RadMessageBox.Show("RadButtonElement is clicked");
}
private void RadForm1_Load(object sender, EventArgs e)
{
    AddDifferentItems();
}

Private Sub AddDifferentItems()
    Me.RadButtonTextBox1.Multiline = True
    Dim buttonElement As RadButtonElement = New RadButtonElement()
    buttonElement.Text = "Button"
    AddHandler buttonElement.Click, AddressOf buttonElement_Click
    Me.RadButtonTextBox1.LeftButtonItems.Add(buttonElement)
    Dim toggleButtonElement As RadToggleButtonElement = New RadToggleButtonElement()
    toggleButtonElement.Text = "ToggleButton"
    AddHandler toggleButtonElement.ToggleStateChanged, AddressOf toggleButtonElement_ToggleStateChanged
    Me.RadButtonTextBox1.LeftButtonItems.Add(toggleButtonElement)
    Dim separator As CommandBarSeparator = New CommandBarSeparator()
    Me.RadButtonTextBox1.LeftButtonItems.Add(separator)
    Dim repeatButtonElement As RadRepeatButtonElement = New RadRepeatButtonElement()
    repeatButtonElement.Text = "RepeatButton"
    AddHandler repeatButtonElement.Click, AddressOf repeatButtonElement_Click
    Me.RadButtonTextBox1.LeftButtonItems.Add(repeatButtonElement)
    Dim checkBoxElement As RadCheckBoxElement = New RadCheckBoxElement()
    checkBoxElement.Text = "CheckBox"
    AddHandler checkBoxElement.CheckStateChanged, AddressOf checkBoxElement_CheckStateChanged
    Me.RadButtonTextBox1.RightButtonItems.Add(checkBoxElement)
End Sub
Private Sub checkBoxElement_CheckStateChanged(ByVal sender As Object, ByVal e As EventArgs)
    RadMessageBox.Show("RRadCheckBoxElement is toggled")
End Sub
Private Sub repeatButtonElement_Click(ByVal sender As Object, ByVal e As EventArgs)
    Console.WriteLine("RadRepeatButtonElement")
End Sub
Private Sub toggleButtonElement_ToggleStateChanged(ByVal sender As Object, ByVal args As StateChangedEventArgs)
    RadMessageBox.Show("RadToggleButtonElement.ToggleState is changed to " & args.ToggleState.ToString())
End Sub
Private Sub buttonElement_Click(ByVal sender As Object, ByVal e As EventArgs)
    RadMessageBox.Show("RadButtonElement is clicked")
End Sub
Private Sub RadForm1_Load(ByVal sender As Object, ByVal e As EventArgs)
    AddDifferentItems()
End Sub

See Also

• Design Time