public void AddColumn(PanelColumnHeader header)
{
var column = LV.Columns.Add(header.Text, header.Width);
column.TextAlign = (System.Windows.Forms.HorizontalAlignment)header.TextAlign;
column.Tag = header;
}
public void RegisterColumn <TPanelItem>(PanelColumnHeader header) where TPanelItem : PanelItemBase
{
IList <PanelColumnHeader> found;
var typeName = typeof(TPanelItem).Name;
if (!m_Types.TryGetValue(typeName, out found))
{
found = new List <PanelColumnHeader>();
m_Types.Add(typeName, found);
}
header.Index = found.Count;
found.Add(header);
if (found.Count > m_MaxColumns)
{
m_MaxColumns = found.Count;
}
}
public IComparable AsyncGetData(PanelColumnHeader column, PanelItemBase panelItem)
{
IComparable result;
bool found;
lock (column)
{
found = column.LazyDict.TryGetValue(panelItem, out result);
}
if (found)
{
return(result);
}
lock (m_AsyncQueue)
{
if (m_AsyncQueue.Contains(panelItem))
{
m_AsyncQueue.Remove(panelItem);
}
m_AsyncQueue.AddFirst(panelItem);
}
UpdateThreads(column);
return(null);
}
private void UpdateThreads(PanelColumnHeader column)
{
if (NumThreads * NUM_CYCLES_IN_THREAD < m_AsyncQueue.Count)
{
lock (m_Threads)
{
// remove stopped threads
for (int i = m_Threads.Count - 1; i >= 0; i--)
{
if (m_Threads[i].ThreadState == ThreadState.Stopped)
{
m_Threads.RemoveAt(i);
}
}
// start new threads
while (NumThreads * NUM_CYCLES_IN_THREAD < m_AsyncQueue.Count)
{
var thread = new Thread(AsyncEnum);
m_Threads.Add(thread);
thread.Start(column);
}
}
}
}
