Inner Classes

• In Magic you used to have programs, which had many sub tasks
• In the migrated code, these subtasks are migrated to inner classes

Task tree in magic

Classes and inner classes in .NET

• These inner classes can be over-viewed using the Classes ComboBox at the top of the screen
  
• Or using the "Class Outline" Visual studio extension that you can download from here: Class Outline Visual Studio Extension
  

Setting the scene for writing a new inner class

• Create a new UIController called "ShowOrdersToDemoInnerClasses"
• Use the Orders Table
• Add the following local columns to collect the order statistics
• Design the screen so that you'll have some columns on the grid, and the 3 local columns below the grid.

public class ShowOrdersToDemoInnerClasses : UIControllerBase
{

    public readonly Models.Orders Orders = new Models.Orders();
    public readonly NumberColumn Items = new NumberColumn("Items", "2");
    public readonly NumberColumn TotalQuantity = new NumberColumn("Total Quantity", "4");
    public readonly NumberColumn TotalAmount = new NumberColumn("Total Amount", "5C");
    public ShowOrdersToDemoInnerClasses()
    {
        From = Orders;
    }
    public void Run()
    {
        Execute();
    }
    protected override void OnLoad()
    {
        View = () => new Views.ShowOrdersToDemoInnerClassesView(this);
    }
} 

• Adding an Inner Class
• Using Information from the parent class in the Inner class
• Cached and Inner Classes

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