How to plug in a custom text box in WinForms ComboBoxExt's editable region?

Here is how you would plug in a custom text box:

// Your custom textbox class.
 public class MyTextBox : TextBox
{
  public MyTextBox()
  {
  }
}
  // Custom ComboBoxExt class that plugsin the above MyTextBox type.
public class MyComboBoxExt : ComboBoxExt
{
  // Plugin your custom textbox class.
  protected override TextBox CreateTextBox()
  {
    return new MyTextBox();
  }
}

Public Class MyTextBox Inherits TextBox
  Public Sub New()
  End Sub 'New
End Class 'MyTextBox
' Custom ComboBoxExt class that plugsin the above MyTextBox type.
Public Class MyComboBoxExt Inherits ComboBoxExt
  ' Plugin your custom textbox class.
  Protected Overrides Function CreateTextBox() As TextBox
  Return New MyTextBox()
  End Function 'CreateTextBox
End Class 'MyComboBoxExt

Conclusion

I hope you enjoyed learning about how to Plug in a custom text box in WF ComboBoxExt's editable region.

You can refer to our WinForms ComboBox feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our 
WinForms ComboBox example to understand how to create and manipulate data.

For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.

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