Cisco Cisco Computer Telephony Integration Option 9.0 Developer's Guide

The value of the specified type to assign to the Arg.

For COM, this value is of type VARIANT * whose type is one of the types 
listed in 

.

errorcode

An output parameter (return parameter in VB) that contains an error code 
from 

 in 

If the method was able to set the value it returns true, otherwise it returns false.

If the method was able to set the value it returns VARIANT_TRUE. Otherwise, 
it returns VARIANT_FALSE.

This method returns true if the method succeeds, otherwise false.

VT_INT

Int

VT_UINT

Unsigned int

VT_I2

Short

VT_UI2

Unsigned short

VT_BOOL

Bool

VT_BSTR

string, const string and char *

VT_DISPATCH

Pointer to an IArg interface