QTAtoms QT Atom commands

QT_GetAtomDataSize

QT_GetAtomDataSize(containerRef; atomOffset; atomDataSize):error
	containerRef	Longint	Atom container reference
	atomOffset	Longint	Atom offset
	atomDataSize	Longint	Atom data size
	error	Longint	Error result

Retrieves the data size of a leaf atom.

Parameter containerRef specifies the atom container. It must have been previously obtained with a call to QT_NewAtomContainer.

Parameter atomOffset specifies the atom whose data size should be retrieved. Only leaf atoms contain data; if you pass a non-leaf atom, an error is returned.

Parameter atomDataSize receives the atom's data size.

Related commands