[PATCH 0/5] MR5665: For a CS_PARENTDC child use parent for visible region calculations.

[Dmitry Timoshkov (＠dmitry)]

These patches fix painting in an application that draws outside of a CS_PARENTDC child
client area in its WM_PAINT handler.

Comments and suggestions are welcome.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/5665