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Parameter Attributes 

The following attributes apply to parameters of a method in a class or interface.

Attribute Description

custom

Lets you define your own attribute.

defaultvalue

Allows specification of a default value for a typed optional parameter.

first_is

Specifies the index of the first array element to be transmitted.

iid_is

Specifies the index of the first array element to be transmitted.

immediatebind

Indicates that the database will be notified immediately of all changes to a property of a data-bound object.

in

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

last_is

Specifies the index of the last array element to be transmitted.

lcid

Lets you pass a locale identifier to a function.

length_is

Specifies the number of array elements to be transmitted.

max_is

Designates the maximum value for a valid array index.

optional

Specifies an optional parameter for a member function.

out

Identifies pointer parameters that are returned from the called procedure to the calling procedure (from the server to the client).

range

Specifies a range of allowable values for arguments or fields whose values are set at run time.

ref

Identifies a reference pointer.

retval

Designates the parameter that receives the return value of the member.

satype

Specifies the data type of the SAFEARRAY structure.

size_is

Specifies the size of memory allocated for sized pointers, sized pointers to sized pointers, and single- or multidimensional arrays.

unique

Specifies a unique pointer.

See Also

Other Resources

Attributes by Usage

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