public WindowTitleWatcher(IntPtr hWnd)
{
if (hWnd == IntPtr.Zero)
{
throw new ArgumentException($"{nameof(hWnd)} is null", nameof(hWnd));
}
this.hWnd = hWnd;
this.CurrentTitle = NativeWindows.GetWindowTitle(this.hWnd);
}
private void CheckTimer_Elapsed(object sender, ElapsedEventArgs e)
{
lock (this.currentTitleLock)
{
string oldTitle = this.CurrentTitle;
string newTitle = NativeWindows.GetWindowTitle(this.hWnd);
if (!string.Equals(oldTitle, newTitle, StringComparison.CurrentCulture))
{
this.CurrentTitle = newTitle;
this.OnTitleChanged(oldTitle, newTitle);
}
}
}
public static IntPtr GetMainWindowHandle(uint pid)
{
if (pid == 0)
{
return(IntPtr.Zero);
}
List <IntPtr> windows = NativeWindows.GetProcessWindows(pid);
List <IntPtr> possibleMainWindows = windows.Where(h =>
{
string className = NativeWindows.GetClassName(h);
string windowName = NativeWindows.GetWindowTitle(h);
return(!string.IsNullOrWhiteSpace(windowName) && spotifyMainWindowNames.Contains(className));
}).ToList();
if (possibleMainWindows.Count > 1)
{
IEnumerable <string> classNames = possibleMainWindows.Select(h => $"\"{NativeWindows.GetClassName(h)}\"");
logger.Warn($"More than one ({possibleMainWindows.Count}) possible main windows located for Spotify: {string.Join(", ", classNames)}");
}
return(possibleMainWindows.FirstOrDefault());
}