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NAME
- GetAttr
-
Inquire the value of some attribute of an object. (V36)
SYNOPSIS
attr = GetAttr( AttrID, Object, StoragePtr )
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ULONG GetAttr( ULONG, APTR, ULONG * );
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ULONG GetAttr( ULONG, APTR, ULONG * );
FUNCTION
Inquires from the specified object the value of the specified attribute.
You always pass the address of a long variable, which will receive the same value that would be passed to SetAttrs() in the ti_Data portion of a TagItem element. See the documentation for the class for exceptions to this general rule.
Not all attributes will respond to this function. Those that will are documented on a class-by-class basis.
You always pass the address of a long variable, which will receive the same value that would be passed to SetAttrs() in the ti_Data portion of a TagItem element. See the documentation for the class for exceptions to this general rule.
Not all attributes will respond to this function. Those that will are documented on a class-by-class basis.
INPUTS
- AttrID
-
the attribute tag ID understood by the object's class
- Object
-
abstract pointer to the boopsi object you are interested in
- StoragePtr
-
pointer to appropriate storage for the answer
RESULT
Returns FALSE (0) if the inquiries of attribute are not provided by the object's class.
NOTES
This function invokes the OM_GET method of the object.
SEE ALSO
NewObject(), DisposeObject(), SetAttrs(), MakeClass(), Document "Basic Object-Oriented Programming System for Intuition" and the "boopsi Class Reference" document.