/// <summary>
/// Adds a taskbar progress indicator to the player.
/// </summary>
/// <param name="form">The form whose taskbar item should be added as a progress indicator.</param>
public int Add(Form form)
{
if (Player._taskbarProgressEnabled)
{
lock (_taskbarItems)
{
if (form != null)
{
// check if already exists
bool exists = false;
for (int i = 0; i < _taskbarItems.Count; i++)
{
if (_taskbarItems[i] == form)
{
exists = true;
break;
}
}
if (!exists)
{
_taskbarItems.Add(form);
if (_base._playing)
{
if (_base._paused)
{
Player.TaskbarInstance.SetProgressState(form.Handle, TaskbarProgressState.Paused);
SetValue(_base.PositionX);
}
else if (!_base._fileMode || _base._liveStreamMode)
{
Player.TaskbarInstance.SetProgressState(form.Handle, TaskbarProgressState.Indeterminate);
}
}
_base._hasTaskbarProgress = true;
_base.StartMainTimerCheck();
}
_base._lastError = Player.NO_ERROR;
}
else
{
_base._lastError = HResult.E_INVALIDARG;
}
}
}
else
{
_base._lastError = HResult.MF_E_NOT_AVAILABLE;
}
return((int)_base._lastError);
}
