ComboBox controls in .NET 4.0

Question

How users of an application can be prevented from editing the text in the ComboBox controls in .NET 4.0?

Answer 1

ComboBox class comprises of DropDownStyle property, that is used to describe the display style of items in the ComboBox control. The DropDownStyle property takes a value from the ComboBoxStyle enumeration that contains three members in order to define the styles for the items:

a)Simple,

b)DropDownList, and

c)DropDown.

DropDownList value of the ComboBoxStyle enumeration is selected in order to set a ComboBox control as non-editable by the users, which is shown below:

Code for VB:
ComboBox1.DropDownStyle = ComboBoxStyle.DropDownList

Code for C#:
ComboBox1.DropDownStyle = ComboBoxStyle.DropDownList;