private bool SysTrayCallback(uint message, NOTIFYICONDATA nicData)
{
TrayIcon trayIcon = new TrayIcon(nicData.hWnd);
if (nicData.uID != null)
{
trayIcon.UID = nicData.uID;
}
lock (_lockObject)
{
switch ((NIM)message)
{
case NIM.NIM_ADD:
// Ensure the icon doesn't already exist.
if (TrayIcons.Contains(trayIcon))
{
return(false);
}
// Add the icon.
trayIcon.Title = nicData.szTip;
try
{
trayIcon.Icon = System.Windows.Interop.Imaging.CreateBitmapSourceFromHIcon(nicData.hIcon, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
}
catch
{
trayIcon.Icon = null;
}
trayIcon.HWnd = nicData.hWnd;
trayIcon.UID = nicData.uID;
trayIcon.CallbackMessage = nicData.uCallbackMessage;
TrayIcons.Add(trayIcon);
break;
case NIM.NIM_DELETE:
try
{
if (!TrayIcons.Contains(trayIcon))
{
// Nothing to remove.
return(false);
}
// Woo! Using Linq to avoid iterating!
TrayIcons.Remove(trayIcon);
}
catch (Exception ex)
{
Trace.WriteLine("Unable to remove the icon from the collection. Error: " + ex.ToString());
}
break;
case NIM.NIM_MODIFY:
try
{
bool exists = false;
if (TrayIcons.Contains(trayIcon))
{
exists = true;
trayIcon = TrayIcons.Single(i => i.HWnd == nicData.hWnd && i.UID == nicData.uID);
}
trayIcon.Title = nicData.szTip;
trayIcon.Icon = System.Windows.Interop.Imaging.CreateBitmapSourceFromHIcon(nicData.hIcon, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
trayIcon.HWnd = nicData.hWnd;
trayIcon.UID = nicData.uID;
trayIcon.CallbackMessage = nicData.uCallbackMessage;
if (!exists)
{
TrayIcons.Add(trayIcon);
}
}
catch (Exception ex)
{
Trace.WriteLine("Unable to modify the icon in the collection. Error: " + ex.ToString());
}
break;
}
}
return(true);
}
private bool SysTrayCallback(uint message, NOTIFYICONDATA nicData)
{
Console.WriteLine(message + " - " + nicData.uID);
lock (_lockObject)
{
TrayIcon trayIcon;
switch ((NIM)message)
{
case NIM.NIM_ADD:
trayIcon = new TrayIcon((IntPtr)nicData.hWnd);
trayIcon.UID = (uint)nicData.uID;
// Ensure the icon doesn't already exist.
if (TrayIcons.Contains(trayIcon))
{
return(false);
}
// Add the icon.
trayIcon.Title = nicData.szTip;
try
{
trayIcon.Icon = System.Windows.Interop.Imaging.CreateBitmapSourceFromHIcon((IntPtr)nicData.hIcon, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
}
catch
{
trayIcon.Icon = null;
}
trayIcon.HWnd = (IntPtr)nicData.hWnd;
trayIcon.UID = (uint)nicData.uID;
trayIcon.CallbackMessage = (uint)nicData.uCallbackMessage;
TrayIcon old = TrayIcons.FirstOrDefault(i => i.HWnd == (IntPtr)nicData.hWnd);
if (old != null)
{
TrayIcons.Remove(old);
}
TrayIcons.Add(trayIcon);
break;
case NIM.NIM_DELETE:
try
{
TrayIcon oldTrayIcon = TrayIcons.FirstOrDefault(i => i.HWnd == (IntPtr)nicData.hWnd);
if (oldTrayIcon != null)
{
TrayIcons.Remove(oldTrayIcon);
}
else
{
return(false);
}
}
catch (Exception ex)
{
Trace.WriteLine("Unable to remove the icon from the collection. Error: " + ex.ToString());
}
break;
case NIM.NIM_MODIFY:
try
{
trayIcon = TrayIcons.Single(i => i.HWnd == (IntPtr)nicData.hWnd);
if (trayIcon == null)
{
break;
}
trayIcon.Title = nicData.szTip;
trayIcon.Icon = System.Windows.Interop.Imaging.CreateBitmapSourceFromHIcon((IntPtr)nicData.hIcon, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
trayIcon.HWnd = (IntPtr)nicData.hWnd;
trayIcon.UID = (uint)nicData.uID;
trayIcon.CallbackMessage = (uint)nicData.uCallbackMessage;
TrayIcons.Remove(trayIcon);
TrayIcons.Add(trayIcon);
}
catch (Exception ex)
{
Trace.WriteLine("Unable to modify the icon in the collection. Error: " + ex.ToString());
}
break;
}
}
return(true);
}