internal void OnQueryItemCount(QueryItemCountEventArgs e)
{
if (this.QueryItemCount != null)
{
this.QueryItemCount(this, e);
}
}
internal int OnQueryItemCount(DataGridVirtualizingCollectionViewGroup collectionViewGroup)
{
QueryItemCountEventArgs e = new QueryItemCountEventArgs(this, collectionViewGroup);
if (this.QueryItemCount != null)
{
this.QueryItemCount(this, e);
}
DataGridVirtualizingCollectionViewSource source = this.ParentCollectionViewSourceBase as DataGridVirtualizingCollectionViewSource;
if (source != null)
{
source.OnQueryItemCount(e);
}
return(e.Count);
}