QTAtoms
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QT_GetAtomDataSize(containerRef; atomOffset; atomDataSize):error | |||
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containerRef | Longint | Atom container reference |
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atomOffset | Longint | Atom offset |
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atomDataSize | Longint | Atom data size |
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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
QT_GetAtomData | Retrieves the data of a leaf atom |