Add DataGridClipboardCellContent

src/AtomUI.Controls.DataGrid/Cell/DataGridCellCoordinates.cs

@@ -9,28 +9,21 @@ namespace AtomUI.Controls;
 
 internal class DataGridCellCoordinates
 {
+    public int ColumnIndex { get; set; }
+
+    public int Slot { get; set; }
+    
     public DataGridCellCoordinates(int columnIndex, int slot)
     {
         ColumnIndex = columnIndex;
         Slot        = slot;
     }
 
-    public DataGridCellCoordinates(DataGridCellCoordinates dataGridCellCoordinates) : this(dataGridCellCoordinates.ColumnIndex, dataGridCellCoordinates.Slot)
+    public DataGridCellCoordinates(DataGridCellCoordinates dataGridCellCoordinates) 
+        : this(dataGridCellCoordinates.ColumnIndex, dataGridCellCoordinates.Slot)
     {
     }
 
-    public int ColumnIndex
-    {
-        get;
-        set;
-    }
-
-    public int Slot
-    {
-        get;
-        set;
-    }
-
     public override bool Equals(object? o)
     {
         if (o is DataGridCellCoordinates dataGridCellCoordinates)

src/AtomUI.Controls.DataGrid/DataGridClipboard.cs

@@ -31,8 +31,8 @@ public enum DataGridClipboardCopyMode
 public struct DataGridClipboardCellContent
 {
     private DataGridColumn _column;
-    private object _content;
-    private object _item;
+    private object? _content;
+    private object? _item;
 
     /// <summary>
     /// Creates a new DataGridClipboardCellValue structure containing information about a DataGrid cell.
@@ -40,7 +40,7 @@ public struct DataGridClipboardCellContent
     /// <param name="item">DataGrid row item containing the cell.</param>
     /// <param name="column">DataGridColumn containing the cell.</param>
     /// <param name="content">DataGrid cell value.</param>
-    public DataGridClipboardCellContent(object item, DataGridColumn column, object content)
+    public DataGridClipboardCellContent(object? item, DataGridColumn column, object? content)
     {
         _item    = item;
         _column  = column;
@@ -55,12 +55,12 @@ public struct DataGridClipboardCellContent
     /// <summary>
     /// Cell content.
     /// </summary>
-    public object Content => _content;
+    public object? Content => _content;
 
     /// <summary>
     /// DataGrid row item containing the cell.
     /// </summary>
-    public object Item => _item;
+    public object? Item => _item;
 
     /// <summary>
     /// Field-by-field comparison to avoid reflection-based ValueType.Equals.
@@ -82,7 +82,11 @@ public struct DataGridClipboardCellContent
     /// <returns>Hash value.</returns>
     public override int GetHashCode()
     {
-        return ((_column.GetHashCode() ^ _content.GetHashCode()) ^ _item.GetHashCode());
+        var hash = new HashCode();
+        hash.Add(_column);
+        hash.Add(_content);
+        hash.Add(_item);
+        return hash.ToHashCode();
     }
 
     /// <summary>
@@ -121,14 +125,14 @@ public class DataGridRowClipboardEventArgs : EventArgs
 
     private List<DataGridClipboardCellContent>? _clipboardRowContent;
     private bool _isColumnHeadersRow;
-    private object _item;
+    private object? _item;
 
     /// <summary>
     /// Creates a DataGridRowClipboardEventArgs object and initializes the properties.
     /// </summary>
     /// <param name="item">The row's associated data item.</param>
     /// <param name="isColumnHeadersRow">Whether or not this EventArgs is for the column headers.</param>
-    internal DataGridRowClipboardEventArgs(object item, bool isColumnHeadersRow)
+    internal DataGridRowClipboardEventArgs(object? item, bool isColumnHeadersRow)
     {
         _isColumnHeadersRow = isColumnHeadersRow;
         _item               = item;
@@ -157,6 +161,6 @@ public class DataGridRowClipboardEventArgs : EventArgs
     /// <summary>
     /// DataGrid row item used for preparing the ClipboardRowContent.
     /// </summary>
-    public object Item => _item;
+    public object? Item => _item;
 
 }

src/AtomUI.Controls.DataGrid/Utils/DataGridValueConverter.cs

@@ -1,13 +1,7 @@
-// (c) Copyright Microsoft Corporation.
-// This source is subject to the Microsoft Public License (Ms-PL).
-// Please see http://go.microsoft.com/fwlink/?LinkID=131993 for details.
-// All other rights reserved.
-
 using System.Globalization;
-using AtomUI.Controls.Utils;
 using Avalonia.Data.Converters;
 
-namespace AtomUI.Controls;
+namespace AtomUI.Controls.Utils;
 
 internal class DataGridValueConverter : IValueConverter
 {