PENDINGMSG

The PENDINGMSG enumeration constants are return values of IMessageFilter::MessagePending.

Defined in the IMessageFilter interface (msgflt.idl).

typedef enum tagPENDINGMSG
{
PENDINGMSG_CANCELCALL = 0,
PENDINGMSG_WAITNOPROCESS = 1,
PENDINGMSG_WAITDEFPROCESS = 2
} PENDINGMSG;

Elements
PENDINGMSG_CANCELCALL

cancel the outgoing call

PENDINGMSG_WAITNOPROCESS

wait for the return and don't dispatch the message

PENDINGMSG_WAITDEFPROCESS

wait and dispatch the message