Most controls have a little padding inside the control, but this one does not; so I always add padding to make it look nicer
Me.txtStockPct.Padding = New Padding(0, 0, 3, 0)
Selecting text
AddHandler RadSpinEditor1.SpinElement.TextBoxControl.MouseUp, AddressOf TextBoxControl_MouseUp
Private Sub TextBoxControl_MouseUp(sender As Object, e As MouseEventArgs)
Me.radSpinEditor1.SpinElement.TextBoxControl.SelectAll()
End Sub