/// <summary>
/// Determines if an object is a child of another object.
/// </summary>
/// <param name="parentObject">The parent object.</param>
/// <param name="childObject">The chld object.</param>
/// <returns>True of the child object is an descendant of the parent object.</returns>
public static bool IsChildObject(MarketData.ObjectRow parentObject, MarketData.ObjectRow childObject)
{
// If the parent is the same as the child, they are related.
if (parentObject.ObjectId == childObject.ObjectId)
{
return(true);
}
// Recurse through the hierarhy testing to see if the child is part of the famly tree of the parent object.
foreach (MarketData.ObjectTreeRow objectTreeRow in parentObject.GetObjectTreeRowsByObjectObjectTreeParentId())
{
if (IsChildObject(objectTreeRow.ObjectRowByObjectObjectTreeChildId, childObject))
{
return(true);
}
}
// At this point, the child is not part of the parent hierarchy.
return(false);
}
/// <summary>
/// Determines if a given blotter is visible on the current document.
/// </summary>
/// <param name="parentRow">The current object in the recursive search.</param>
/// <param name="blotterId">The blotter id to be found.</param>
/// <returns>true if the blotter is part of the tree structure.</returns>
public static bool IsDescendant(MarketData.ObjectRow parentRow, MarketData.ObjectRow childRow)
{
// Don't attempt to search if there is no starting point.
if (parentRow != null)
{
// If the parent is the same as the child, then the original records are related.
if (parentRow == childRow)
{
return(true);
}
// Recursively search each of the children of the current node.
foreach (MarketData.ObjectTreeRow objectTreeRow in parentRow.GetObjectTreeRowsByObjectObjectTreeParentId())
{
if (IsDescendant(objectTreeRow.ObjectRowByObjectObjectTreeChildId, childRow))
{
return(true);
}
}
}
// At this point, there were no children found on this tree that matched the blotter id.
return(false);
}