/// <summary>
/// This method creates children nodes.
/// </summary>
private void CreateChildrenNodes(bool beAwareOfExisting)
{
//join flags together
beAwareOfExisting |= this._newChildElementInserted;
System.Diagnostics.Debug.WriteLine("CreateChildrenNodes ENTER");
AutomationElement element = null;
//set waiting cursor for this block
using (new Misc.WaitCursor())
{
//here we store all new child nodes
LinkedList <TreeNode> childNodes = new LinkedList <TreeNode>();
// Do FirstChild
System.Diagnostics.Debug.WriteLine("CreateChildrenNodes, Getting firstChild");
try
{
element = AutomationElementTreeControl.TreeWalker.GetFirstChild(this.AutomationElement);
Trace.WriteLine("GetChildren(start)" + "".PadRight(80, '-'));
while (null != element)
{
childNodes.AddLast(CreateTreeNodeForAutomationElement(element));
// Do NextSibling
element = AutomationElementTreeControl.TreeWalker.GetNextSibling(element);
}
this._errorInPopulatingChildren = false;
Trace.WriteLine("GetChildren(end)" + "".PadRight(80, '-'));
}
catch (ElementNotAvailableException)
{
this._errorInPopulatingChildren = true;
Debug.WriteLine("\n\nGetting children automation elements FAILED. Element not available.\n\n");
}
catch (ThreadAbortException)
{
this._errorInPopulatingChildren = true;
Debug.WriteLine("\n\nGetting children automation elements FAILED\n\n");
}
catch (Exception ex)
{
Debug.Fail(ex.Message, ex.StackTrace);
throw;
}
//add new children to collection; we can call clear when there is no element inserted before
AddChildrenNodesToTreeNode(childNodes, !beAwareOfExisting, false);
this._childrenStatus = ChildrenElementsStatus.Populated;
this._newChildElementInserted = false; //we merged new children and child nodes inserted before
//set image to this currentTestTypeRootNode
SetTreeNodeImageIndex();
}
System.Diagnostics.Debug.WriteLine("CreateChildrenNodes EXIT");
}
/// <summary>
/// This method will refresh children nodes
/// </summary>
public void RefreshChildrenNodes()
{
using (SynchronizationManager.Lock())
{
if (this._childrenStatus != ChildrenElementsStatus.NotPopulated)
{
this._childrenStatus = ChildrenElementsStatus.NotPopulated;
SetTreeNodeImageIndex();
CreateChildrenNodes(true);
}
}
}
/// <summary>
/// This method creates children nodes.
/// </summary>
private void CreateChildrenNodes(bool beAwareOfExisting)
{
//join flags together
beAwareOfExisting |= this._newChildElementInserted;
System.Diagnostics.Debug.WriteLine("CreateChildrenNodes ENTER");
AutomationElement element = null;
//set waiting cursor for this block
using (new Misc.WaitCursor())
{
//here we store all new child nodes
LinkedList<TreeNode> childNodes = new LinkedList<TreeNode>();
// Do FirstChild
System.Diagnostics.Debug.WriteLine("CreateChildrenNodes, Getting firstChild");
try
{
element = AutomationElementTreeControl.TreeWalker.GetFirstChild(this.AutomationElement);
Trace.WriteLine("GetChildren(start)" + "".PadRight(80, '-'));
while (null != element)
{
childNodes.AddLast(CreateTreeNodeForAutomationElement(element));
// Do NextSibling
element = AutomationElementTreeControl.TreeWalker.GetNextSibling(element);
}
this._errorInPopulatingChildren = false;
Trace.WriteLine("GetChildren(end)" + "".PadRight(80, '-'));
}
catch (ElementNotAvailableException)
{
this._errorInPopulatingChildren = true;
Debug.WriteLine("\n\nGetting children automation elements FAILED. Element not available.\n\n");
}
catch (ThreadAbortException)
{
this._errorInPopulatingChildren = true;
Debug.WriteLine("\n\nGetting children automation elements FAILED\n\n");
}
catch (Exception ex)
{
Debug.Fail(ex.Message, ex.StackTrace);
throw;
}
//add new children to collection; we can call clear when there is no element inserted before
AddChildrenNodesToTreeNode(childNodes, !beAwareOfExisting, false);
this._childrenStatus = ChildrenElementsStatus.Populated;
this._newChildElementInserted = false; //we merged new children and child nodes inserted before
//set image to this currentTestTypeRootNode
SetTreeNodeImageIndex();
}
System.Diagnostics.Debug.WriteLine("CreateChildrenNodes EXIT");
}
/// <summary>
/// This method will refresh children nodes
/// </summary>
public void RefreshChildrenNodes()
{
using (SynchronizationManager.Lock())
{
if (this._childrenStatus != ChildrenElementsStatus.NotPopulated)
{
this._childrenStatus = ChildrenElementsStatus.NotPopulated;
SetTreeNodeImageIndex();
CreateChildrenNodes(true);
}
}
}
