TextBox.ReadOnly
Read and write.
Type:
Boolean.
Contains a flag indicating if the value entered in the box can be changed interactively.
Thick client.
Unlike
Enabled, property, if ReadOnly property is set to
True, you can not edit the text box; however, this does not affect other operations with the text box. For example, you can select string presentation of the combo box contents and copy it to the clipboard.