oh dear

System/ComponentModel/PropertyChangingEventArgs.cs

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+using System;
+using Cpp2IlInjected;
+
+namespace System.ComponentModel
+{
+	/// <summary>Provides data for the <see cref="E:System.ComponentModel.INotifyPropertyChanging.PropertyChanging" /> event.</summary>
+	// Token: 0x02000177 RID: 375
+	[Token(Token = "0x2000177")]
+	public class PropertyChangingEventArgs : EventArgs
+	{
+		/// <summary>Initializes a new instance of the <see cref="T:System.ComponentModel.PropertyChangingEventArgs" /> class.</summary>
+		/// <param name="propertyName">The name of the property whose value is changing.</param>
+		// Token: 0x0600096F RID: 2415 RVA: 0x00002053 File Offset: 0x00000253
+		[Token(Token = "0x600096F")]
+		[Address(RVA = "0x4FDA10", Offset = "0x4FC810", VA = "0x1804FDA10")]
+		public PropertyChangingEventArgs(string propertyName)
+		{
+		}
+
+		/// <summary>Gets the name of the property whose value is changing.</summary>
+		/// <returns>The name of the property whose value is changing.</returns>
+		// Token: 0x170001D5 RID: 469
+		// (get) Token: 0x06000970 RID: 2416 RVA: 0x00002050 File Offset: 0x00000250
+		[Token(Token = "0x170001D5")]
+		public virtual string PropertyName
+		{
+			[Token(Token = "0x6000970")]
+			[Address(RVA = "0x3F6E20", Offset = "0x3F5C20", VA = "0x1803F6E20", Slot = "4")]
+			get
+			{
+				return null;
+			}
+		}
+
+		// Token: 0x0400058F RID: 1423
+		[FieldOffset(Offset = "0x10")]
+		[Token(Token = "0x400058F")]
+		private readonly string propertyName;
+	}
+}