public void CommonItemActivation(object sender, EventArgs eventArgs)
{
var o = Tree.SelectedObject;
if (o == null)
{
return;
}
if (UserSettings.DoubleClickToExpand)
{
if (Tree.CanExpand(o) && !Tree.IsExpanded(o))
{
Tree.Expand(o);
return;
}
if (Tree.IsExpanded(o))
{
Tree.Collapse(o);
return;
}
}
var cmd = new ExecuteCommandActivate(_activator, o);
if (!cmd.IsImpossible)
{
cmd.Execute();
}
}
/// <summary>
/// Recursively collapses a group in the TreeListView
/// control until it cannot collapse further. Prevents
/// re-expansion from taking a long time.
/// </summary>
/// <param name="ienum"></param>
internal void RecursiveCollapse(IEnumerable ienum)
{
foreach (var m in from object m in ienum where TlvControl.CanExpand(m) select m)
{
RecursiveCollapse(TlvControl.GetChildren(m));
TlvControl.Collapse(m);
}
}
private void ChildrenGetter()
{
m_treeListView1.ChildrenGetter = delegate(object x)
{
try
{
if (x is Project project)
{
return(project.KnowledgeAreas);
}
if (x is KnowledgeArea)
{
if (m_FilterInitiating == true)
{
return(((KnowledgeArea)x).Processes.FindAll(p => p.Initiating == true));
}
else
{
return(((KnowledgeArea)x).Processes);
}
//return ((KnowledgeArea)x).Processes;
//return ((KnowledgeArea)x).Processes.FindAll(p => p.Initiating == true);
}
else
{
return(new ArrayList());
}
}
catch (UnauthorizedAccessException ex)
{
//this.BeginInvoke((MethodInvoker)delegate ()
//{
m_treeListView1.Collapse(x);
// MessageBox.Show(this, ex.Message, "ObjectListViewDemo", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
//});
return(new ArrayList());
}
};
}