/// <summary>
/// Determine if the current node is an L, T, or Root junction.
/// Note: This code is essentially duplicated from the client behavior.
/// </summary>
/// <returns>A character defining the type of junction.</returns>
protected char CalcJunction()
{
if (Parent is TreeView && GetPreviousSibling() == null)
{
// Get index of node and add 1 to the last value
string strIndex = GetNodeIndex();
int iIndexPos = strIndex.LastIndexOf('.');
int iIndexVal = Convert.ToInt32(strIndex.Substring(iIndexPos + 1)) + 1;
strIndex = strIndex.Substring(0, iIndexPos + 1) + iIndexVal.ToString();
// if the node exists, we're an "F" node.
if (ParentTreeView.GetNodeFromIndex(strIndex) != null)
{
return('F');
}
else
{
return('R');
}
}
else
{
TreeNodeCollection col;
if (Parent is TreeView)
{
col = ((TreeView)Parent).Nodes;
}
else
{
col = ((TreeNode)Parent).Nodes;
}
int i = col.IndexOf(this) + 1;
if (i < col.Count)
{
return('T');
}
return('L');
}
}