/// <summary>
/// Updates the tree node that represents communication lines and its child nodes.
/// </summary>
public void UpdateLinesNode(TreeNode linesNode)
{
ArgumentNullException.ThrowIfNull(linesNode, nameof(linesNode));
try
{
linesNode.TreeView?.BeginUpdate();
// remove existing line nodes
foreach (TreeNode lineNode in new ArrayList(linesNode.Nodes))
{
lineNode.Remove();
}
// add new line nodes
CommNodeTag nodeTag = (CommNodeTag)linesNode.Tag;
CommApp commApp = nodeTag.CommApp;
foreach (LineConfig lineConfig in commApp.AppConfig.Lines)
{
linesNode.Nodes.Add(CreateLineNode(commApp, lineConfig));
}
}
finally
{
linesNode.TreeView?.EndUpdate();
}
}
/// <summary>
/// Updates the tree node that represents a communication line and its child nodes.
/// </summary>
public void UpdateLineNode(TreeNode lineNode)
{
ArgumentNullException.ThrowIfNull(lineNode, nameof(lineNode));
try
{
lineNode.TreeView?.BeginUpdate();
// update line text and image
CommNodeTag nodeTag = (CommNodeTag)lineNode.Tag;
LineConfig lineConfig = (LineConfig)nodeTag.RelatedObject;
lineNode.Text = CommUtils.GetLineTitle(lineConfig);
lineNode.SetImageKey(lineConfig.Active ? ImageKey.Line : ImageKey.LineInactive);
// remove existing device nodes
foreach (TreeNode lineSubnode in new ArrayList(lineNode.Nodes))
{
if (lineSubnode.TagIs(CommNodeType.Device))
{
lineSubnode.Remove();
}
}
// add new device nodes
foreach (DeviceConfig deviceConfig in lineConfig.DevicePolling)
{
lineNode.Nodes.Add(CreateDeviceNode(nodeTag.CommApp, deviceConfig));
}
}
finally
{
lineNode.TreeView?.EndUpdate();
}
}
/// <summary>
/// Updates text of the tree node that represents a device.
/// </summary>
public static void UpdateDeviceNodeText(TreeNode deviceNode)
{
ArgumentNullException.ThrowIfNull(deviceNode, nameof(deviceNode));
CommNodeTag nodeTag = (CommNodeTag)deviceNode.Tag;
DeviceConfig deviceConfig = (DeviceConfig)nodeTag.RelatedObject;
deviceNode.Text = CommUtils.GetDeviceTitle(deviceConfig);
}
/// <summary>
/// Updates text of the tree node that represents a communication line.
/// </summary>
public static void UpdateLineNodeText(TreeNode lineNode)
{
ArgumentNullException.ThrowIfNull(lineNode, nameof(lineNode));
CommNodeTag nodeTag = (CommNodeTag)lineNode.Tag;
LineConfig lineConfig = (LineConfig)nodeTag.RelatedObject;
lineNode.Text = CommUtils.GetLineTitle(lineConfig);
}