Added MemoryStreamDebugVisualizer

MemoryStreamDebugVisualizer/MemoryStreamVisualizer/MemoryStreamData.cs

@@ -0,0 +1,80 @@
+// Copyright (c) Microsoft. All rights reserved.
+// Licensed under the MIT license. See LICENSE file in the project root for full license information.
+
+namespace MemoryStreamVisualizer;
+
+using System.IO;
+using System.Runtime.Serialization;
+using System.Windows;
+using Microsoft.VisualStudio.Extensibility.UI;
+
+/// <summary>
+/// ViewModel class representing the data contained by a <see cref="MemoryStream"/>.
+/// </summary>
+[DataContract]
+public class MemoryStreamData : NotifyPropertyChangedObject
+{
+    private long length;
+    private long position;
+    private Visibility loadingVisibility = Visibility.Visible;
+
+    /// <summary>
+    /// Gets or sets the length of the <see cref="MemoryStream"/>.
+    /// </summary>
+    [DataMember]
+    public long Length
+    {
+        get => this.length;
+        set
+        {
+            if (this.SetProperty(ref this.length, value))
+            {
+                this.RaiseNotifyPropertyChangedEvent(nameof(this.HexLength));
+            }
+        }
+    }
+
+    /// <summary>
+    /// Gets the length of the <see cref="MemoryStream"/> in hex format.
+    /// </summary>
+    [DataMember]
+    public string HexLength => $"{this.length:X}h";
+
+    /// <summary>
+    /// Gets or sets the current position of the <see cref="MemoryStream"/>.
+    /// </summary>
+    [DataMember]
+    public long Position
+    {
+        get => this.position;
+        set
+        {
+            if (this.SetProperty(ref this.position, value))
+            {
+                this.RaiseNotifyPropertyChangedEvent(nameof(this.HexPosition));
+            }
+        }
+    }
+
+    /// <summary>
+    /// Gets the current position of the <see cref="MemoryStream"/> in hex format.
+    /// </summary>
+    [DataMember]
+    public string HexPosition => $"{this.position:X}h";
+
+    /// <summary>
+    /// Gets the data currently contained in the <see cref="MemoryStream"/>.
+    /// </summary>
+    [DataMember]
+    public ObservableList<HexEditorRow> Data { get; } = new();
+
+    /// <summary>
+    /// Gets or sets whether the loading bar should be visible.
+    /// </summary>
+    [DataMember]
+    public Visibility LoadingVisibility
+    {
+        get => this.loadingVisibility;
+        set => this.SetProperty(ref this.loadingVisibility, value);
+    }
+}