Part of the allure to MC was the marketed trading from the chart ability.
As per the stated help:
It doesn't let you drag it to a desired level and instead snaps to the price scale. For example, if the price scale is at 5 pip increments, it will only let you drag and drop it to 5 pip levels, not where you desire. This really must be improved upon to be of any use to me, or most traders wanting to make use of this ability.To modify order price, drag the order marker on the chart and drop it to the desired price level.
A bit of a shame, I hadn't expected this before buying the product and now am forced to fall into the hypnosis of the DOM