MTP3Flow

Applies or halts flow control to the specified service access point.

Prototype

DWORD NMSAPI MTP3Flow ( CTAHD ctahd, S16 sapId, S16 action)

Argument

Description

ctahd

Natural Access handle.

sapId

Service access point ID. Specify the same value used for the ctaOpenServices request.

action

Flow control action to take: zero to disable, non-zero to enable.


Return values

Return value

Description

MTP3_SUCCESS

 

MTP3_INVBOARD

Invalid board number.

MTP3_NOT_BOUND

ctaOpenServices not previously called.

MTP3_OSERROR

Lower-level drivers or task returned an error.


Details

If flow control is active, incoming data messages are buffered in the MTP 3 process until flow control is deactivated. For more information, see Controlling congestion.