public static Delegate GetGetterAs(DataViewType typeDst, DataViewRow row, DataViewSchema.Column col)
{
Contracts.CheckValue(typeDst, "typeDst");
Contracts.CheckParam(typeDst.IsPrimitive(), "typeDst");
Contracts.CheckValue(row, "row");
Contracts.CheckParam(0 <= col.Index && col.Index < row.Schema.Count, "col");
Contracts.CheckParam(row.IsColumnActive(col), "col", "column was not active");
var typeSrc = row.Schema[col.Index].Type;
Contracts.Check(typeSrc.IsPrimitive(), "Source column type must be primitive");
Func <DataViewType, DataViewType, DataViewRow, DataViewSchema.Column, ValueGetter <int> > del = GetGetterAsCore <int, int>;
var methodInfo = del.GetMethodInfo().GetGenericMethodDefinition().MakeGenericMethod(typeSrc.RawType, typeDst.RawType);
return((Delegate)methodInfo.Invoke(null, new object[] { typeSrc, typeDst, row, col }));
}