ulCtlWnd (ULONG)

      Action to be performed. May be one of the following actions:

      IM_CTL_WND_SHOWALL

        Show all conversion and status windows
      IM_CTL_WND_HIDEALL
        Hide all conversion and status windows
      IM_CTL_WND_SHOWINDICATOR
        Show status indicator
      IM_CTL_WND_HIDEINDICATOR
        Hide status indicator
      IM_CTL_WND_SHOWCONVWNDS
        Show all conversion windows
      IM_CTL_WND_HIDECONVWNDS
        Hide all conversion windows
      IM_CTL_WND_TGLINDICATOR
        Flash indicator mode

      [Back: IMCTLWND Field - hwndFrame]
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