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How to plug in a custom text box into the ComboBoxExt's editable region

Platform: WinForms |
Control: ComboBoxBase |
Published Date: April 30, 2011 |
Last Revised Date: July 10, 2014

 

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

C#

// 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();

  }

}

VB

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

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