in (C++)

Indicates that a parameter is to be passed from the calling procedure to the called procedure.

Syntax

[in]

The in C++ attribute has the same functionality as the in MIDL attribute.

See bindable for an example of how to use in.

Attribute context	Value
Applies to	Interface parameter, interface method
Repeatable	No
Required attributes	None
Invalid attributes	retval

For more information about the attribute contexts, see Attribute Contexts.