/// <summary>
/// Fills TreeView with focused control as root
/// </summary>
/// <param name="control">The UI Automation control.</param>
public void LoadGraph(AutomationElement control)
{
if (control == null || _focusedApplicationHandle == IntPtr.Zero)
{
return;
}
try
{
_focusedElement = control;
AutomationElement rootElement = AutomationElement.FromHandle(_focusedApplicationHandle);
TvGraph.BeginUpdate();
AddGraphNode(rootElement);
/* show the node representing the selected control */
TvGraph.SelectedNode = _selectedNode;
TvGraph.TopNode = _selectedNode;
TvGraph.EndUpdate();
}
catch (ElementNotAvailableException)
{
MessageBox.Show(Resources.WindowNotAvail, Resources.Invalid_Window, MessageBoxButtons.OK, MessageBoxIcon.Error);
Close();
return;
}
}
/// <summary>
/// Adds the graph node.
/// </summary>
/// <param name="rootElement">The root element.</param>
private void AddGraphNode(AutomationElement rootElement)
{
if (rootElement == null)
{
return;
}
string showString = rootElement.Current.LocalizedControlType + " [ " + rootElement.Current.AutomationId + " ]";
GraphNode tn = new GraphNode(rootElement)
{
Text = showString,
Tag = rootElement.Current.NativeWindowHandle,
ImageIndex = 2
};
WalkControlElements(rootElement, tn);
TvGraph.Nodes.Add(tn);
TvGraph.ExpandAll();
}