In MouseUp method TAdvSmootCombobox checks button rectangle to do the clik. Add Property (option) which can change this behaviour and do the click (and dropdown) when clicked anywhere inside the TAdvSmoothComboBox.
In MouseUp method TAdvSmootCombobox checks button rectangle to do the clik. Add Property (option) which can change this behaviour and do the click (and dropdown) when clicked anywhere inside the TAdvSmoothComboBox.