private bool SysTrayCallback(uint message, NOTIFYICONDATA nicData)
{
if (nicData.hWnd == 0)
{
return(false);
}
NotifyIcon trayIcon = new NotifyIcon((IntPtr)nicData.hWnd);
trayIcon.UID = nicData.uID;
lock (_lockObject)
{
if ((NIM)message == NIM.NIM_ADD || (NIM)message == NIM.NIM_MODIFY)
{
try
{
bool exists = false;
if (nicData.dwState != 1)
{
if (nicData.guidItem == new Guid(VOLUME_GUID))
{
return(false);
}
foreach (NotifyIcon ti in TrayIcons)
{
if ((nicData.guidItem != Guid.Empty && nicData.guidItem == ti.GUID) || (ti.HWnd == (IntPtr)nicData.hWnd && ti.UID == nicData.uID))
{
exists = true;
trayIcon = ti;
break;
}
}
if ((NIF.TIP & nicData.uFlags) != 0 && !string.IsNullOrEmpty(nicData.szTip))
{
trayIcon.Title = nicData.szTip;
}
if ((NIF.ICON & nicData.uFlags) != 0)
{
if ((IntPtr)nicData.hIcon != IntPtr.Zero)
{
try
{
System.Windows.Media.Imaging.BitmapSource bs = System.Windows.Interop.Imaging.CreateBitmapSourceFromHIcon((IntPtr)nicData.hIcon, Int32Rect.Empty, System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
if (bs != null)
{
trayIcon.Icon = bs;
}
}
catch
{
if (trayIcon.Icon == null)
{
trayIcon.Icon = Common.IconImageConverter.GetDefaultIcon();
}
}
}
else
{
trayIcon.Icon = null;
}
}
trayIcon.HWnd = (IntPtr)nicData.hWnd;
trayIcon.UID = nicData.uID;
trayIcon.GUID = nicData.guidItem;
// guess version in case we are receiving icons that aren't sending NIM_SETVERSION to new explorers
if ((NIF.VISTA_MASK & nicData.uFlags) != 0)
{
trayIcon.Version = 4;
}
else if ((NIF.XP_MASK & nicData.uFlags) != 0)
{
trayIcon.Version = 3;
}
if (nicData.uVersion > 0 && nicData.uVersion <= 4)
{
trayIcon.Version = nicData.uVersion;
}
if ((NIF.MESSAGE & nicData.uFlags) != 0)
{
trayIcon.CallbackMessage = nicData.uCallbackMessage;
}
if (!exists)
{
// default placement to a menu bar like rect
trayIcon.Placement = defaultPlacement;
// set pinned item properties
trayIcon.Path = Shell.GetPathForHandle(trayIcon.HWnd);
trayIcon.SetPinValues();
if (trayIcon.Icon == null)
{
trayIcon.Icon = Common.IconImageConverter.GetDefaultIcon();
}
TrayIcons.Add(trayIcon);
CairoLogger.Instance.Debug("Added tray icon: " + trayIcon.Title + " path: " + Shell.GetPathForHandle(trayIcon.HWnd) + " GUID: " + trayIcon.GUID + " UID: " + trayIcon.UID);
if ((NIM)message == NIM.NIM_MODIFY)
{
// return an error to the notifyicon as we received a modify for an icon we did not yet have
return(false);
}
}
else
{
CairoLogger.Instance.Debug("Modified tray icon: " + trayIcon.Title);
}
}
}
catch (Exception ex)
{
CairoLogger.Instance.Error("Unable to modify the icon in the collection.", ex);
}
}
else if ((NIM)message == NIM.NIM_DELETE)
{
try
{
if (!TrayIcons.Contains(trayIcon))
{
// Nothing to remove.
return(false);
}
TrayIcons.Remove(trayIcon);
CairoLogger.Instance.Debug("Removed tray icon: " + nicData.szTip);
}
catch (Exception ex)
{
CairoLogger.Instance.Error("Unable to remove the icon from the collection.", ex);
}
}
else if ((NIM)message == NIM.NIM_SETVERSION)
{
foreach (NotifyIcon ti in TrayIcons)
{
if ((nicData.guidItem != Guid.Empty && nicData.guidItem == ti.GUID) || (ti.HWnd == (IntPtr)nicData.hWnd && ti.UID == nicData.uID))
{
ti.Version = nicData.uVersion;
CairoLogger.Instance.Debug("Modified version to " + ti.Version + " on tray icon: " + ti.Title);
break;
}
}
}
}
return(true);
}
private bool SysTrayCallback(uint message, SafeNotifyIconData nicData)
{
if (nicData.hWnd == IntPtr.Zero)
{
return(false);
}
NotifyIcon trayIcon = new NotifyIcon(nicData.hWnd);
trayIcon.UID = nicData.uID;
lock (_lockObject)
{
if ((NIM)message == NIM.NIM_ADD || (NIM)message == NIM.NIM_MODIFY)
{
try
{
bool exists = false;
// hide icons while we are shell which require UWP support & we have a separate implementation for
if (nicData.guidItem == new Guid(VOLUME_GUID) && ((Shell.IsCairoRunningAsShell && Shell.IsWindows10OrBetter) || GroupPolicyManager.Instance.HideScaVolume))
{
return(false);
}
foreach (NotifyIcon ti in TrayIcons)
{
if (ti.Equals(nicData))
{
exists = true;
trayIcon = ti;
break;
}
}
if ((NIF.STATE & nicData.uFlags) != 0)
{
trayIcon.IsHidden = nicData.dwState == 1;
}
if ((NIF.TIP & nicData.uFlags) != 0 && !string.IsNullOrEmpty(nicData.szTip))
{
trayIcon.Title = nicData.szTip;
}
if ((NIF.ICON & nicData.uFlags) != 0)
{
if (nicData.hIcon != IntPtr.Zero)
{
try
{
System.Windows.Media.Imaging.BitmapSource bs =
System.Windows.Interop.Imaging.CreateBitmapSourceFromHIcon(
nicData.hIcon, Int32Rect.Empty,
System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
DestroyIcon(nicData.hIcon);
if (bs != null)
{
bs.Freeze();
trayIcon.Icon = bs;
}
}
catch
{
if (trayIcon.Icon == null)
{
trayIcon.Icon = Common.IconImageConverter.GetDefaultIcon();
}
}
}
else
{
trayIcon.Icon = null;
}
}
trayIcon.HWnd = nicData.hWnd;
trayIcon.UID = nicData.uID;
if ((NIF.GUID & nicData.uFlags) != 0)
{
trayIcon.GUID = nicData.guidItem;
}
// guess version in case we are receiving icons that aren't sending NIM_SETVERSION to new explorers
if ((NIF.VISTA_MASK & nicData.uFlags) != 0)
{
trayIcon.Version = 4;
}
else if ((NIF.XP_MASK & nicData.uFlags) != 0)
{
trayIcon.Version = 3;
}
if (nicData.uVersion > 0 && nicData.uVersion <= 4)
{
trayIcon.Version = nicData.uVersion;
}
if ((NIF.MESSAGE & nicData.uFlags) != 0)
{
trayIcon.CallbackMessage = nicData.uCallbackMessage;
}
if (!exists)
{
// default placement to a menu bar-like rect
trayIcon.Placement = defaultPlacement;
// set properties used for pinning
trayIcon.Path = Shell.GetPathForHandle(trayIcon.HWnd);
trayIcon.SetPinValues();
if (trayIcon.Icon == null)
{
trayIcon.Icon = Common.IconImageConverter.GetDefaultIcon();
}
TrayIcons.Add(trayIcon);
CairoLogger.Instance.Debug($"NotificationArea: Added: {trayIcon.Title} Path: {trayIcon.Path} Hidden: {trayIcon.IsHidden} GUID: {trayIcon.GUID} UID: {trayIcon.UID} Version: {trayIcon.Version}");
if ((NIM)message == NIM.NIM_MODIFY)
{
// return an error to the notifyicon as we received a modify for an icon we did not yet have
return(false);
}
}
else
{
CairoLogger.Instance.Debug($"NotificationArea: Modified: {trayIcon.Title}");
}
}
catch (Exception ex)
{
CairoLogger.Instance.Error("NotificationArea: Unable to modify the icon in the collection.", ex);
}
}
else if ((NIM)message == NIM.NIM_DELETE)
{
try
{
if (!TrayIcons.Contains(trayIcon))
{
// Nothing to remove.
return(false);
}
TrayIcons.Remove(trayIcon);
CairoLogger.Instance.Debug($"NotificationArea: Removed: {nicData.szTip}");
}
catch (Exception ex)
{
CairoLogger.Instance.Error("NotificationArea: Unable to remove the icon from the collection.", ex);
}
}
else if ((NIM)message == NIM.NIM_SETVERSION)
{
foreach (NotifyIcon ti in TrayIcons)
{
if (ti.Equals(nicData))
{
ti.Version = nicData.uVersion;
CairoLogger.Instance.Debug($"NotificationArea: Modified version to {ti.Version} on: {ti.Title}");
break;
}
}
}
}
return(true);
}