I am confused by a couple things in the CanvasDragRect example that comes with Xojo.
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DragCanvas is the name of the canvas that exists in the MainWindow of the project. It appears to be a basic canvas (not a subclass). There are a number of event handlers. MouseDown, MouseDrag etc. these have associates code. They have the icon that I associate with event handlers. But I am expecting them to be in the subcategory EventHandlers. They are not. They are at the highest level under DragCanvas.
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One of the event handlers is Paint. It has two parameters. (g As Graphics, areas() As REALbasic Rect).
Lets say I wanted to change the name areas to something else. I see no way of accessing the parameters to do that. I can access the code inside that event but not the parameter listing.