This class derives from the MSPluginClass which in turn derives from the MAXClass. Custom Attributes are instances of this class.
Properties
<MSCustAttribDef>.ispb2based
Read-only Boolean property. Always returns true since Custom Attributes use ParamBlock2. This property is also available in MAXClass and MSPluginClass.
<MSCustAttribDef>.isMSPluginClass
Read-only property of custom attribute definition. Also available in MAXClass, and MSPluginClass. Since MSPluginClass derives from MAXClass, and MSCustAttribDef derives from MSPluginClass, the property always returns true for custom attribute definitions.
<MSCustAttribDef>.isMSCustAttribClass
A read-only property, always true for custom attribute definitions. Also available in MAXClass and MSPluginClass.
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See also
Global and Private Custom Attributes Definitions
Custom Attribute Management Functions
Custom Attributes Definition Values
Access to Custom Attributes Virtual Array
Custom Attributes in Materials and Texture Maps