void Node_StateChanged(object sender, EventArgs e)
{
if (treeView1.InvokeRequired)
{
OnValueCallback d = new OnValueCallback(Node_StateChanged);
if (!this.Disposing)
{
this.Invoke(d, new object[] { sender, e });
}
}
else
{
NodeBase b = (sender as NodeBase);
if (b.Tag is TreeNode)
{
TreeNode tn = (b.Tag as TreeNode);
int firsticon = 0;
if (b.GetType() == typeof(NodeLN))
{
firsticon = 5;
}
else if (b.GetType() == typeof(NodeFC))
{
firsticon = 6;
}
else if (b.GetType() == typeof(NodeData))
{
if (b.GetChildNodes().Length == 0)
{ // Leaf
firsticon = 8;
}
else
{
firsticon = 7;
}
}
tn.ImageIndex = firsticon + ((int)b.NodeState) * 4;
tn.SelectedImageIndex = firsticon + ((int)b.NodeState) * 4;
treeView1.Invalidate(tn.Bounds);
}
}
}
