MCI_UNFREEZE

See also MCI_FREEZE

Restores motion to an area of the video buffer frozen with MCI_FREEZE. This command is part of the video overlay command set. The parameters and flags for this message vary according to the selected device.

Returns zero if successful. Otherwise, it returns an MCI error code.

DWORD lParam1

The following flags apply to all devices supporting MCI_UNFREEZE:

MCI_NOTIFY	Specifies that MCI should post the MM_MCINOTIFY message when this command completes. The window to receive this message is specified in the dwCallback member of the structure identified by lParam2.
MCI_WAIT	Specifies that the unfreeze operation should finish before MCI returns control to the application.
MCI_OVLY_RECT	Specifies that the rc member of the structure identified by lParam2 contains a valid display rectangle. This is a required parameter.

LPMCI_OVLY_RECT_PARMS lParam2

Specifies a far pointer to a MCI_OVLY_RECT_PARMS structure. (Devices with additional parameters might replace this structure with a device-specific structure.)