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The "Close price above cursor" drawing tool is the first of a series of drawing tools that I am going to share to explain you how to create your own custom drawing tools.
This object simply displays the security close price above the mouse cursor when you move your mouse over a chart. It shows the close price of the bar the mouse is pointing at.
Here is a picture:
To create a new custom drawing tool, select "Tools" on the menu, and then click on "Custom Drawing Tools". Click on the "Add" button, type in a name and finally click on "Save".
Now, all you have to do is to write a script, which will be executed each time the application wants to draw your item.
"Close price above cursor" object:
To get the close price time-series, we need to call the following function:
double[] close = Functions.ChartData.GetTimeSeries("close");
To get the bar index the mouse cursor is pointing at:
PointPosition pos = Functions.CursorPosition;
int barindex = (int)pos.X + Functions.ChartData.StartIndex - 1;
To get the current close price:
double closePrice = close[barindex];
To draw a text that shows the close price:
TextObj text1 = Functions.PaneObject.DrawText("", "Close: " + closePrice + "\n\n", pos.X, pos.Y);
text1.FontSpec.Border.IsVisible = false;
text1.FontSpec.FontColor = Color.Green;
text1.FontSpec.Fill.Color = Color.Transparent;
To end the drawing when a trader clicks on a chart:
if(Functions.ClickPositions.Length > 0)
{
Functions.FinishDrawing();
}
To access the drawing tool, right click on the bookmark panel (under the menu), click on "Add shortcut", select "Drawing Tool" as the shortcut type, and then click on "OK". In the "Load an item" form, select "Close Price" then click on "Load".
Now, double click on "Close Price" in the bookmark panel and move your mouse over a chart.
