public void UpdateClientList(string str, string type)
{
if (this.tvClientList.InvokeRequired)
{
SetListBoxItem d = new SetListBoxItem(UpdateClientList);
this.Invoke(d, new object[] { str, type });
}
else
{
// If type is Add, the add Client info in Tree View
if (type.Equals("Add"))
{
this.tvClientList.Nodes[0].Nodes.Add(str);
if ((tvClientList.Nodes[0].GetNodeCount(false) > 0) && !tvClientList.Nodes[0].IsExpanded)
{
tvClientList.Nodes[0].Expand();
}
}
// Else delete Client information from Tree View
else
{
foreach (TreeNode n in tvClientList.Nodes[0].Nodes)
{
if (n.Text.Contains(str))
{
tvClientList.Nodes.Remove(n);
}
}
}
}
}
private void UpdateClientList(string str, string type)
{
if (this.tvClientList.InvokeRequired)
{
SetListBoxItem d = new SetListBoxItem(UpdateClientList);
this.Invoke(d, new object[] { str, type });
}
else
{
if (type.Equals("Add"))
{
this.tvClientList.Nodes[0].Nodes.Add(str);
}
else
{
foreach (TreeNode n in this.tvClientList.Nodes[0].Nodes)
{
if (n.Text.Equals(str))
{
this.tvClientList.Nodes.Remove(n);
}
}
}
}
}
/// <summary>
/// Calls delegate function to update list box.
/// IF parameter is "Add", then client information is added in Tree View,
/// ELSE entry is deleted from Tree View.
/// </summary>
/// <param name="str"></param>
/// <param name="type"></param>
private void UpdateTreeView(string str, string type)
{
//InvokeRequired compares the thread ID of the
//calling thread to that of the current thread.
//If these threads are different, it returns true.
if (this.TreeViewClientList.InvokeRequired)
{
//System spawned thread
SetListBoxItem d = new SetListBoxItem(UpdateTreeView);
this.Invoke(d, new object[] { str, type });
}
else
{
//If type is "Add", then add client info in Tree View
if (type.Equals("Add"))
{
this.TreeViewClientList.Nodes[0].Nodes.Add(str);
}
else //Delete client information from tree view
{
foreach (TreeNode n in this.TreeViewClientList.Nodes[0].Nodes)
{
if (n == null)
{
return;
}
if (n.Text.Equals(str))
{
this.TreeViewClientList.Nodes.Remove(n);
}
}
}
}
}
/// <summary>
/// Delegate Function to update List box.
/// If type parameter is "Add", then client information is added in Tree View
/// else the entry is delete from Tree View.
/// </summary>
/// <param name="str"></param>
private void UpdateClientList(string str, string type)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
if (this.tvClientList.InvokeRequired)
{
SetListBoxItem d = new SetListBoxItem(UpdateClientList);
this.Invoke(d, new object[] { str, type });
}
else
{
// If type is Add, the add Client info in Tree View
if (type.Equals("Add"))
{
this.tvClientList.Nodes[0].Nodes.Add(str);
}
// Else delete Client information from Tree View
else
{
foreach (TreeNode n in this.tvClientList.Nodes[0].Nodes)
{
if (n.Text.Equals(str))
{
this.tvClientList.Nodes.Remove(n);
}
}
}
}
}
private async void UpdateConnectedClients(string str, string type)
{
if (!lvConnectedClients.Dispatcher.HasThreadAccess)
{
SetListBoxItem d = UpdateConnectedClients;
await ThreadPool.RunAsync(operation => UIDispatcher.Execute(() => AddItem(str, type)));
}
else
{
AddItem(str, type);
}
}
private void UpdateConnectedClients(string str, string type)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
if (!connectedClients.Dispatcher.CheckAccess())
{
SetListBoxItem d = UpdateConnectedClients;
connectedClients.Dispatcher.Invoke(d, str, type);
}
else
{
// If type is Add, the add Client info in Tree View
if (type.Equals("Add"))
{
connectedClients.Items.Add(str);
}
// Else delete Client information from Tree View
else
{
connectedClients.Items.Remove(str);
}
}
}
