Re: [PATCH 0/1] MR3416: ieframe: Forward WM_PAINT messages to the document host and all its child windows.

[Jinoh Kang (＠iamahuman)]

> Emulate this protection for the trivial case of an InvalidateRect(...); call on the parent window.

I believe this trivial case should already be handled by the `WM_CLIPCHILDREN` flag of the iexplore frame window and the shell embedding window.