Possibility to draw a rectangle/box and return an object-specific ID number, required to modify the object. 
 
value1 =        Box_new  ( Starttime, BoxHigh, EndTime, BoxLow,
                   BoxBorderColor, BoxBGColor,TransparentColor, );
 
Box_Delete  - Removes a box object with the specified ID number from a chart
Box_SetBGColor - Assigns the specified background color to the box contained in a box object with the specified ID number 
Box_SetBorderColor - Assigns the specified border color to the box contained in a box object with the specified ID number
Box_SetBegin  - Modifies the starting point location of a box with the specified ID number
Box_SetEnd  - Modifies the ending point location of a box with the specified ID number
Box_SetHigh  - Modifies the high of a box with the specified ID number
Box_SetLow  - Modifies the low of a box with the specified ID number
Box_SetTransparentColor - if true plot the colors transparent or draw the box in background