public object GetDesktopByIndex(IntPtr hMon, int index)
{
return(ExecuteWithRetry(() => m_vds.GetDesktopByIndex(hMon, index)));
}
void IWin32VirtualDesktopManagerInternal.CheckVirtualDesktopChanges()
{
List <Win32VirtualDesktop> removedDesktops = new List <Win32VirtualDesktop>();
List <Win32VirtualDesktop> addedDesktops = new List <Win32VirtualDesktop>();
int newDesktopCount = m_vds.GetDesktopCount(m_hMon);
int oldDesktopCount;
lock (m_syncRoot)
{
oldDesktopCount = m_desktops.Count;
if (oldDesktopCount > newDesktopCount)
{
for (int i = newDesktopCount; i < oldDesktopCount; i++)
{
removedDesktops.Add(m_desktops[i]);
}
m_desktops.RemoveRange(oldDesktopCount - 1, oldDesktopCount - newDesktopCount);
}
else if (oldDesktopCount < newDesktopCount)
{
for (int i = oldDesktopCount; i < newDesktopCount; i++)
{
var newInstance = new Win32VirtualDesktop(m_workspace, m_vds, m_vds.GetDesktopByIndex(m_hMon, i));
m_desktops.Add(newInstance);
addedDesktops.Add(newInstance);
}
}
}
List <Exception> exs = new List <Exception>();
foreach (var desktop in removedDesktops)
{
try
{
desktop.OnRemoved();
}
catch (Exception e)
{
exs.Add(e);
}
finally
{
try
{
DesktopRemoved?.Invoke(this, new DesktopChangedEventArgs(desktop));
}
catch (Exception e)
{
exs.Add(e);
}
}
}
foreach (var desktop in addedDesktops)
{
try
{
DesktopAdded?.Invoke(this, new DesktopChangedEventArgs(desktop));
}
catch (Exception e)
{
exs.Add(e);
}
}
if (exs.Count > 0)
{
throw new AggregateException(exs);
}
int newCurrentDesktop = m_vds.GetCurrentDesktopIndex(m_hMon);
int oldCurrentDesktop;
IVirtualDesktop newDesktop;
IVirtualDesktop?oldDesktop;
lock (m_syncRoot)
{
oldCurrentDesktop = m_currentDesktop;
oldDesktop = oldCurrentDesktop < m_desktops.Count ? m_desktops[oldCurrentDesktop] : null;
if (newCurrentDesktop != oldCurrentDesktop)
{
m_currentDesktop = newCurrentDesktop;
}
newDesktop = m_desktops[newCurrentDesktop];
}
if (oldCurrentDesktop != newCurrentDesktop)
{
CurrentDesktopChanged?.Invoke(this, new CurrentDesktopChangedEventArgs(newDesktop, oldDesktop));
}
}