custom attribute
The [custom] attribute creates a user-defined attribute.
[custom(attribute-id, attribute-value),attribute-list] element-type element-name
Parameters
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attribute-id
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The GUID for the custom attribute.
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attribute-value
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The value that the attribute holds. The value must be one that can be put into a VARIANT type.
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attribute-list
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Other attributes, such as [uuid] and [helpstring], that apply to this element.
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element-type
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The type of element to which the custom attribute applies. This can be a library statement, type information, a variable, a function, or a parameter. You cannot use a custom attribute on a member of a coclass.
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element-name
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The name of the element.
Remarks
Use the [custom] attribute to define your own attribute. For example, you might create a string-valued attribute that gives the ProgID for a class.
To retrieve a custom attribute value call one of the following:
- ITypeLib2::GetCustData(rguid, pvarVal)
- ITypeInfo2::GetCustData(rguid, pvarVal)
- ITypeInfo2::GetFuncCustData(index, rguid, pvarVal)
- ITypeInfo2::GetVarCustData(index, rguid, pvarval)
- ITypeInfo2::GetParamCustData(indexFunc, indexParam, rguid, pvarVal)
See also