I have a ComboBox that is a simple drop down style. I wanted to open a new window when the user right clicks on an item in the list, but am having trouble getting it to dete
I'm afraid that will not be posible unless you do some serious hacking. This article will explain.
Quoted for you:
Individual Controls
The following controls do not conform to the standard mouse click event behavior:
Button, CheckBox, ComboBox, and RadioButton controls
Left click: Click, MouseClick
Right click: No click events raised
Left double-click: Click, MouseClick; Click, MouseClick
Right double-click: No click events raised