How would I prevent the user from opening a combo box? Lets say that I want to check a condition first and if the condition is true allow them to open it... if its false prevent them from opening it.



Thanks

You could always set the ComboBox.Enabled = false

But something tells me that's not what you want to do.  There's not a way to prevent it from happening, but when it happens, you can immidiately hide it by handling the DropDown event of the combo.  If the condition is false, then immidiately set the DroppedDown property to False.  There isn't a Close() method or I would recommend it, but the DroppedDown seems to do the same thing.