// Check whether a specific item needs to be filtered out.
private static bool IsFilteredOut(GanttChartItem item)
{
// The current implementation checks whether the content (returned by ToString method) of the item ends with "(filtering)".
// Optionally, you may modify the code below to apply a custom sort implementation based on specific requirements.
return(item.ToString().EndsWith("(filtering)"));
}
// Compare two items and return -1 if the items are specified in ascending order, 0 if the items are similar, or +1 if the items are in specified descending order.
private static int Compare(GanttChartItem item1, GanttChartItem item2, string columnHeader)
{
// The current implementation compares the content (returned by ToString method) of the two items.
// Optionally, you may modify the code below to apply a custom sort implementation based on column header and specific requirements.
return(string.Compare(item1.ToString(), item2.ToString()));
}