Gets the value of "ShiftSize" property (in percents).
double ShiftSize() const
Value of "ShiftSize" property of the chart assigned to the class instance. If there is no chart assigned, it returns EMPTY_VALUE.
Sets new value for "Shift" property (in percents).
double shift_size // property value
[in] New value for "ShiftSize" property (in percents).
true - successful, false - cannot change the property.