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;
Windows NT: Use version 3.1 and later.
Windows: Use Windows 95 and later.
Windows CE: Unsupported.
Header: Declared in objidl.h.
IMessageFilter::MessagePending