Double clicking a function in the Hovering Class Browser (HCB) takes you to the implementation of symbol, or to its declaration if no implementation is found.
![](/~/media/wholetomato/kb/jump-to-header-files-from-the-hcb/hcb_item.ashx?la=en&hash=273BA1C6435B158704881B604CFC426372826BA9)
You can make Visual Assist jump exclusively to declarations by setting the following in the registry:
HKCU\Software\Whole Tomato\Visual Assist X\<IDE spec>\VaViewGotoDefinition = 00
Set to 01 for default behavior.