KB-16191: Setting up the error message shown in Displays.
Question: Where can I set up the message shown in displays whenever there is a communication error? Solution: You can do that at Text option on Communication Errors tab, Viewer…
Category: Screen Objects
KB-26387: How to disable typing directly into a ComboBox.
Question: How can disable data typing direclty into a ComboBox? Solution: To do so, change the ComboBox’s Style property to 2 – fmStyleDropDownList.