private void UpdateIcon(bool showIconInTray)
{
if (!base.DesignMode && (this._owner != null))
{
if (!this._added)
{
if (!showIconInTray)
{
return;
}
if (this._icon == null)
{
return;
}
}
lock (this)
{
this.window.LockReference(showIconInTray);
Interop.NOTIFYICONDATA pnid = new Interop.NOTIFYICONDATA();
pnid.uFlags = 7;
pnid.uCallbackMessage = 0x800;
if (showIconInTray && (this.window.Handle == IntPtr.Zero))
{
this.window.CreateHandle(new CreateParams());
}
pnid.hWnd = this.window.Handle;
pnid.uID = this._id;
pnid.hIcon = this._icon.Handle;
pnid.szTip = this._text;
pnid.uTimeout = 3;
if (showIconInTray && (this._icon != null))
{
if (!this._added)
{
Interop.Shell_NotifyIcon(0, pnid);
this._added = true;
Interop.Shell_NotifyIcon(4, pnid);
}
else
{
Interop.Shell_NotifyIcon(1, pnid);
}
}
else if (this._added)
{
Interop.Shell_NotifyIcon(2, pnid);
this._added = false;
}
}
}
}
public void ShowBalloon(string title, string message, int seconds)
{
if (!this._added)
{
throw new ApplicationException("Must set TrayIcon to be visible before showing a balloon");
}
if ((title == null) || (title.Length == 0))
{
throw new ArgumentNullException("title");
}
if (title.Length > 0x3f)
{
throw new ArgumentOutOfRangeException("Title is limited to 63 characters");
}
if (message == null)
{
message = string.Empty;
}
else if (title.Length > 0xff)
{
throw new ArgumentOutOfRangeException("Message is limited to 255 characters");
}
if ((seconds < 10) || (seconds > 30))
{
throw new ArgumentOutOfRangeException("Seconds must be between 10 and 30");
}
Interop.NOTIFYICONDATA pnid = new Interop.NOTIFYICONDATA();
pnid.uFlags = 0x10;
pnid.hWnd = this.window.Handle;
pnid.uID = this._id;
pnid.szTitle = title;
pnid.szInfo = message;
pnid.uTimeout = seconds * 0x3e8;
pnid.dwInfoFlags = 1;
Interop.Shell_NotifyIcon(1, pnid);
}
