ayy lmao

WPFCatalog/ViewModelBase.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.ComponentModel;
+using System.Diagnostics;
+
+namespace WPFCatalog
+{
+    public abstract class ViewModelBase : GalaSoft.MvvmLight.ViewModelBase, INotifyPropertyChanged, IDisposable
+    {
+
+        #region Constructor
+
+        protected ViewModelBase()
+        {
+        }
+
+        #endregion // Constructor
+
+        #region DisplayName
+
+        /// <summary>
+        /// Returns the user-friendly name of this object.
+        /// Child classes can set this property to a new value,
+        /// or override it to determine the value on-demand.
+        /// </summary>
+        public virtual string DisplayName { get; protected set; }
+
+        #endregion // DisplayName
+
+        #region Debugging Aides
+
+        ///// <summary>
+        ///// Warns the developer if this object does not have
+        ///// a public property with the specified name. This 
+        ///// method does not exist in a Release build.
+        ///// </summary>
+        //[Conditional("DEBUG")]
+        //[DebuggerStepThrough]
+        //public void VerifyPropertyName(string propertyName)
+        //{
+        //    // Verify that the property name matches a real,  
+        //    // public, instance property on this object.
+        //    if (TypeDescriptor.GetProperties(this)[propertyName] == null)
+        //    {
+        //        string msg = "Invalid property name: " + propertyName;
+
+        //        if (this.ThrowOnInvalidPropertyName)
+        //            throw new Exception(msg);
+        //        else
+        //            Debug.Fail(msg);
+        //    }
+        //}
+
+        /// <summary>
+        /// Returns whether an exception is thrown, or if a Debug.Fail() is used
+        /// when an invalid property name is passed to the VerifyPropertyName method.
+        /// The default value is false, but subclasses used by unit tests might 
+        /// override this property's getter to return true.
+        /// </summary>
+        protected virtual bool ThrowOnInvalidPropertyName { get; private set; }
+
+        #endregion // Debugging Aides
+
+
+
+        #region INotifyPropertyChanged Members
+
+        /// <summary>
+        /// Raised when a property on this object has a new value.
+        /// </summary>
+        //public event PropertyChangedEventHandler PropertyChanged;
+
+        ///// <summary>
+        ///// Raises this object's PropertyChanged event.
+        ///// </summary>
+        ///// <param name="propertyName">The property that has a new value.</param>
+        //protected virtual void OnPropertyChanged(string propertyName)
+        //{
+        //    this.VerifyPropertyName(propertyName);
+
+        //    PropertyChangedEventHandler handler = this.PropertyChanged;
+        //    if (handler != null)
+        //    {
+        //        var e = new PropertyChangedEventArgs(propertyName);
+        //        handler(this, e);
+        //    }
+        //}
+
+        #endregion // INotifyPropertyChanged Members
+
+        #region IDisposable Members
+
+        /// <summary>
+        /// Invoked when this object is being removed from the application
+        /// and will be subject to garbage collection.
+        /// </summary>
+        public void Dispose()
+        {
+            this.OnDispose();
+        }
+
+        /// <summary>
+        /// Child classes can override this method to perform 
+        /// clean-up logic, such as removing event handlers.
+        /// </summary>
+        protected virtual void OnDispose()
+        {
+        }
+
+#if DEBUG
+        /// <summary>
+        /// Useful for ensuring that ViewModel objects are properly garbage collected.
+        /// </summary>
+        ~ViewModelBase()
+        {
+            string msg = string.Format("{0} ({1}) ({2}) Finalized", this.GetType().Name, this.DisplayName, this.GetHashCode());
+            System.Diagnostics.Debug.WriteLine(msg);
+        }
+#endif
+
+        #endregion // IDisposable Members
+
+    }
+}