Threadsafe calls to controls in C# Winforms using parameters

Threadsafe calls to controls in C# Winforms using parameters.cs

        delegate void updateDateTimePickerCallback(int t);

        private void updateDateTimePicker(int t)
        {
            if (dateTimePicker1.InvokeRequired)
            {
                updateDateTimePickerCallback s = new updateDateTimePickerCallback(updateDateTimePicker);
                this.Invoke(s, new object[] { t });
            }
            else
            {
                dateTimePicker1.Value = dateTimePicker1.Value.AddHours(t);
            }
        }