Layer editing for relationship in arcengine

When editing the layer of relationship in arcengine, you must initialize the license. Otherwise, the elements of the source layer cannot be deleted.
Coinitialize (null );
 
{
Ccomptr <iaoinitialize> paoinitialzie;
Esrilicensestatus status;
Hresult hr;

// Iaoinitializeptr ipinit (clsid_aoinitialize );

HR = paoinitialzie. cocreateinstance (clsid_aoinitialize );
// If you do not have a read/write permission, use the read-only permission.

Paoinitialzie-> isproductcodeavailable (esrilicenseproductcodeenginegeodb, & status );

If (status = esrilicenseavailable)
{
HR = paoinitialzie-> initialize (esrilicenseproductcodeenginegeodb, & status );
}
Else
{
Paoinitialzie-> isproductcodeavailable (esrilicenseproductcodeengine, & status );
If (status = esrilicenseavailable)
{
HR = paoinitialzie-> initialize (esrilicenseproductcodeengine, & status );
}
}
If (status! = Esrilicensecheckedout)
{
// Afxmessagebox ("the local machine does not have proper ArcGIS authorization. Please contact the administrator! ");

Return false;
}
}