How to: Show Array of Strings in ListBoxControl

• Oct 25, 2019

The following sample code initializes the myColors array of strings representing system color names. Then, if no external data source is assigned to the control, the ListBoxControl‘s item collection is populated with myColors elements.

C#

// Initialize an array of strings representing system colors names
string[] myColors = {
                        Color.Black.Name,
                        Color.Blue.Name,
                        Color.Brown.Name,
                        Color.Green.Name,
                        Color.Red.Name,
                        Color.Yellow.Name,
                        Color.Orange.Name
                     };
// Check whether an external data source is assigned to the ListBox
if (listBoxControl1.DataSource == null)
   // add items to the ListBox. 
   listBoxControl1.Items.AddRange(myColors);

VB.NET

' Initialize an array of strings representing system colors names
Dim myColors() As String = New String() {Color.Black.Name, Color.Blue.Name, Color.Brown.Name, _
    Color.Green.Name, Color.Red.Name, Color.Yellow.Name, Color.Orange.Name}
' Check whether an external data source is assigned to the ListBox
If ListBoxControl1.DataSource Is Nothing Then
   ' add items to the ListBox. 
   ListBoxControl1.Items.AddRange(myColors)
End If