Tutorial 217 is a TradeStation EasyLanguage ShowMe study that demonstrates how to add buttons to a form. The buttons are colored with each of the named color objects available. When a button is clicked in the ShowMe study, the name of the color and the RGB value of the color are displayed at the bottom of the form. To do this a mouse click event is utilized.
All the colors are stored in a vector as string values.
The tutorial demonstrates how to detect when a specific button is mouse clicked and the color of that button. The tutorial also explains how to add the name of the color in either black or white according to the luminance of the color it is being added to. Both of these calculations are done in methods.
A third method is used to output a string for the color object, for example, BlueViolet returns: 14822282 ( RGB 138, 43, 226 )
Summary of methods
HighContrastColor( Color bgColor )
Method to calculate whether white text or black text would provide the greatest contrast with a
specific color (e.g a black button would use white text and a light yellow button would have black text)
LegacyColorFromColObject
Converts color object into useful text
Explanation of tutorial 217
Download the tutorial 217 show me study
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