public void Evaluate(int SpreadMax)
{
if (this.invalidateconnect || this.FSource.IsChanged)
{
if (this.oldsource != null)
{
this.oldsource.BeginQuery -= new DX11QueryableDelegate(AbstractQueryNode_BeginQuery);
this.oldsource.EndQuery -= new DX11QueryableDelegate(AbstractQueryNode_EndQuery);
}
if (this.FSource[0] != null)
{
this.FSource[0].BeginQuery += new DX11QueryableDelegate(AbstractQueryNode_BeginQuery);
this.FSource[0].EndQuery += new DX11QueryableDelegate(AbstractQueryNode_EndQuery);
}
this.oldsource = this.FSource[0];
this.invalidateconnect = false;
}
if (this.queryobject != null && this.oldsource != null)
{
this.queryobject.GetData();
}
this.OnEvaluate();
}
void FSource_Disconnected(object sender, PinConnectionEventArgs args)
{
this.invalidateconnect = true;
if (this.oldsource != null)
{
this.oldsource.BeginQuery -= new DX11QueryableDelegate(AbstractQueryNode_BeginQuery);
this.oldsource.EndQuery -= new DX11QueryableDelegate(AbstractQueryNode_EndQuery);
}
this.oldsource = null;
}