# A3DPDFDocumentSetLayersRBGroup

A3DStatus `A3DPDFDocumentSetLayersRBGroup`(const A3DPDFDocument *pDoc, A3DUns32 iNbLayers, A3DPDFLayer **ppLayers)
  `A3DStatus` A3DPDFDocumentSetLayersRBGroup(const `A3DPDFDocument`* pDoc, `A3DUns32` iNbLayers, `A3DPDFLayer`** ppLayers)

  Define a “radio button” behaviour for a group of layers.

  That is, the state of at most one layer in the group can be activated at a time

  Parameters

  > pDoc: The document to work with.

  > iNbLayers: The size of the following array of layers.

  > ppLayers: The array of pointer on layers objects.

  Returns

  > A3D_SUCCESS in case of success or an error code

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