/// <summary>
/// The main entry point for the application.
/// </summary>
static void Main()
{
OutProc outProc = new OutProc();
try
{
outProc.CreateOpcClient();
OpcClient opcClient = outProc.OpcClient;
// initialize the client instance
if (!ResultCode.SUCCEEDED(opcClient.Initialize()))
{
opcClient = null;
return;
} // end if
OpcForm opcForm = new OpcForm(outProc);
System.Windows.Forms.Application.Run(opcForm);
opcClient.Terminate();
opcClient = null;
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
} // end try...catch
} // end Main
private void CreateMainTree()
{
TreeNode local = new TreeNode("Local", 1, 1);
this.tvServers.Nodes.Add(local);
TreeNode da1 = new TreeNode("Data Access V1", 4, 4);
local.Nodes.Add(da1);
da1.Nodes.Add(new TreeNode("", 1, 1));
TreeNode da2 = new TreeNode("Data Access V2", 4, 4);
local.Nodes.Add(da2);
da2.Nodes.Add(new TreeNode("", 1, 1));
TreeNode da3 = new TreeNode("Data Access V3", 4, 4);
local.Nodes.Add(da3);
da3.Nodes.Add(new TreeNode("", 1, 1));
TreeNode ae = new TreeNode("Alarms and Events", 4, 4);
local.Nodes.Add(ae);
ae.Nodes.Add(new TreeNode("", 1, 1));
TreeNode remote = new TreeNode("Remote", 6, 6);
this.tvServers.Nodes.Add(remote);
ArrayList domains = OpcForm.GetServerList(SV_101_TYPES.SV_TYPE_DOMAIN_ENUM, null);
for (int i = 0; i < domains.Count; i++)
{
TreeNode domain = new TreeNode(((SERVER_INFO_101)domains[i]).sv101_name.ToString(), 3, 3);
remote.Nodes.Add(domain);
domain.Nodes.Add(new TreeNode("", 1, 1));
}
}
private void tvServers_BeforeExpand(object sender, System.Windows.Forms.TreeViewCancelEventArgs e)
{
tvServers.Cursor = System.Windows.Forms.Cursors.WaitCursor;
string ipAddress = null;
if (e.Node.Text.Equals("Data Access V1"))
{
if (e.Node.Parent.Text.Equals("Local"))
{
ipAddress = "localhost";
CreateBrowseTree(ipAddress, EnumOPCSpecification.DA10, e.Node);
}
}
if (e.Node.Text.Equals("Data Access V2"))
{
if (e.Node.Parent.Text.Equals("Local"))
{
ipAddress = "localhost";
CreateBrowseTree(ipAddress, EnumOPCSpecification.DA20, e.Node);
}
}
if (e.Node.Text.Equals("Data Access V3"))
{
if (e.Node.Parent.Text.Equals("Local"))
{
ipAddress = "localhost";
CreateBrowseTree(ipAddress, EnumOPCSpecification.DA30, e.Node);
}
}
if (e.Node.Text.Equals("Alarms and Events"))
{
if (e.Node.Parent.Text.Equals("Local"))
{
ipAddress = "localhost";
CreateBrowseTree(ipAddress, EnumOPCSpecification.AE10, e.Node);
}
}
if (e.Node.Parent != null)
{
if (e.Node.Parent.Text.Equals("Remote"))
{
if (e.Node.Nodes[0].ImageIndex == 1)
{
e.Node.Nodes.Clear();
ArrayList hosts = OpcForm.GetServerList(SV_101_TYPES.SV_TYPE_WORKSTATION, e.Node.Text.ToLower());
for (int j = 0; j < hosts.Count; j++)
{
TreeNode host = new TreeNode(((SERVER_INFO_101)hosts[j]).sv101_name.ToLower(), 0, 0);
e.Node.Nodes.Add(host);
host.Nodes.Add(new TreeNode("Data Access V1", 4, 4));
host.Nodes[0].Nodes.Add(new TreeNode("", 0, 0));
host.Nodes.Add(new TreeNode("Data Access V2", 4, 4));
host.Nodes[1].Nodes.Add(new TreeNode("", 0, 0));
host.Nodes.Add(new TreeNode("Data Access V3", 4, 4));
host.Nodes[2].Nodes.Add(new TreeNode("", 0, 0));
host.Nodes.Add(new TreeNode("Alarms and Events", 4, 4));
host.Nodes[3].Nodes.Add(new TreeNode("", 0, 0));
}
}
}
if (e.Node.Parent.Parent != null)
{
if (e.Node.Parent.Parent.Parent != null)
{
if (e.Node.Parent.Parent.Parent.Text.Trim().Equals("Remote"))
{
ipAddress = e.Node.Parent.Text.ToLower();
if (e.Node.Text.Equals("Data Access V1"))
{
CreateBrowseTree(ipAddress, EnumOPCSpecification.DA10, e.Node);
}
if (e.Node.Text.Equals("Data Access V2"))
{
CreateBrowseTree(ipAddress, EnumOPCSpecification.DA20, e.Node);
}
if (e.Node.Text.Equals("Data Access V3"))
{
CreateBrowseTree(ipAddress, EnumOPCSpecification.DA30, e.Node);
}
if (e.Node.Text.Equals("Alarms and Events"))
{
CreateBrowseTree(ipAddress, EnumOPCSpecification.AE10, e.Node);
}
}
}
}
}
tvServers.Cursor = System.Windows.Forms.Cursors.Default;
}
