Differences

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--- swdev:dotnet:lists_and_observablecollections [2013/03/14 15:24]
smayr created
+++ swdev:dotnet:lists_and_observablecollections [2013/03/14 15:35] (current)
smayr
@@ Line 19: / Line 19: @@
 Create a color list:
 <code csharp>
+using System.Linq;  // Required for 'Where' lambda/linq statements
+using System.Collections.ObjectModel; // Required for ObservableCollection
 public class TColorList: List<TColor>
 {
+    ///----------------------------------------------------------------------------------------
+    /// Constructor
+    ///----------------------------------------------------------------------------------------
+    public TColorList()
+    {
+       PopulateList();
+    }
+    ///----------------------------------------------------------------------------------------
+    /// Populate list
+    ///----------------------------------------------------------------------------------------
+    private void PopulateList()
+    {
+       Add(new TColor() { Name = "Red",   Type = TColorType.Red   });
+       Add(new TColor() { Name = "Green", Type = TColorType.Green });
+       Add(new TColor() { Name = "Blue",  Type = TColorType.Blue  });
+    }
 }
@@ Line 51: / Line 71: @@
     {
         get { return this.Where(n => n.Type == aColorType).SingleOrDefault(); }
+    }
+    ///----------------------------------------------------------------------------------------
+    /// Constructor
+    ///----------------------------------------------------------------------------------------
+    public TColorCollection()
+    {
+       PopulateCollection();
+    }
+    ///----------------------------------------------------------------------------------------
+    /// Populate collection
+    ///----------------------------------------------------------------------------------------
+    private void PopulateCollection()
+    {
+       Add(new TColor() { Name = "Red",   Type = TColorType.Red   });
+       Add(new TColor() { Name = "Green", Type = TColorType.Green });
+       Add(new TColor() { Name = "Blue",  Type = TColorType.Blue  });
     }
 }
 </code>