Version 2.10: add key inputs to draw rectangle, trendline, text and fibonacci retracement.

Version 1.50:

- Hide objects belong other symbols have been drawn by this indicator.

- Sync selected objects when you click Sync Objects button:

+ Enable sync button in input.

+ Set indexes of chart you want to sync (First chart index is 1. Next chart index is 2, ...)

Version 1.40: Add 5 colors input for select the color rectangle after creating it.

Add function to key U for extend all Rectangles drawn by this indicator to last bar

When the rectangle drawn by indicator has been changed, the lines of it will be changed

When the rectangle has been deleted, the lines of rectangle will be deleted.