How do i change these header context menu icons

[netsstea]

Hi Guys
I am trying to change these icons in header context menu in grid and i have really stuck.
Please help me!
Thanks in advanced!

[netsstea]

bump~!!!!

[Blama]

Hi,

I did never do this, but as this is no autoChild, I suppose the correct way is to override getHeaderContextMenuItems. I'd first call super() and then iterate though the entries and replace the icons as needed.

Best regards
Blama