SetReadFlags(msgs, uiParam, progress, flag)
Sets or clears the MSGFLAG_READ flag in the PR_MESSAGE_FLAGS (PidTagMessageFlags) property of one or more of the folder's messages, and manages the sending of read reports.
Parameters
msgs : PySBinaryArray
uiParam : int
A HWND for the progressprogress : PyIMAPIProgress
A progress object, or Noneflag : int
Bitmask of flags that controls the setting of a message's read flag - that is, the message's MSGFLAG_READ flag in its PR_MESSAGE_FLAGS property and the processing of read reports.