EActivityHandler
@Returns:
@activity_hanlder:
@shell_taskbar:
@activity_handler:
@message:
@activity_handler:
@activity_handler:
@information:
@cancellable:
@Returns:
@activity_handler:
@information:
@cancellable:
@cancel_func:
@user_data:
@Returns:
@activity_handler:
@activity_id:
@information:
@progress:
@activity_handler:
@activity_id:
@handler:
@logger:
@activity_handler:
@error_type:
@error:
@Returns:
@activity_handler:
@activity_id:
@error:
@handler:
@time: