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Common/DTS.Common/Controls/DynamicGrid.cs

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+using System;
+using System.ComponentModel;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace DTS.Common.Controls
+{
+    public class DynamicGrid : Grid, INotifyPropertyChanged
+    {
+        #region INotifyPropertyChanged
+        public event PropertyChangedEventHandler PropertyChanged;
+        protected bool SetProperty<T>(ref T storage, T value, string propertyName = null)
+        {
+            if (Equals(storage, value)) return false;
+
+            storage = value;
+            OnPropertyChanged(propertyName);
+            return true;
+        }
+        protected void OnPropertyChanged(string propertyName = null)
+        {
+            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+        }
+        #endregion
+
+        public DynamicGrid()
+            : base()
+        {
+            Refresh();
+        }
+
+        protected override void OnVisualChildrenChanged(DependencyObject visualAdded, DependencyObject visualRemoved)
+        {
+            base.OnVisualChildrenChanged(visualAdded, visualRemoved);
+
+            Refresh();
+        }
+
+        public void Refresh()
+        {
+            ColumnDefinitions.Clear();
+            for (byte i = 0; i < GridColumns; i++)
+            {
+                ColumnDefinitions.Add(new ColumnDefinition());
+                if (i + 1 != GridColumns)
+                {
+                    ColumnDefinitions[i].Width = new GridLength(1, GridUnitType.Auto);
+                }
+                else
+                {
+                    ColumnDefinitions[i].Width = new GridLength(1, GridUnitType.Star);
+                }
+
+            }
+
+            var curRow = 0;
+            var curCol = 0;
+
+            RowDefinitions.Clear();
+
+            if (Children != null)
+            {
+                foreach (UIElement curChild in Children)
+                {
+                    if (0 == curCol)
+                    {
+                        // We're on the first column, we need a new row for the child
+                        RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Auto) });
+                    }
+
+                    // Set the child to its row and column
+                    SetRow(curChild, curRow);
+                    SetColumn(curChild, curCol);
+
+                    // Iderate
+                    if (curCol < GridColumns - 1)
+                    {
+                        // We're moving to the next column
+                        curCol++;
+                    }
+                    else
+                    {
+                        // We're at the end, go back to clumn 0
+                        curCol = 0;
+                        curRow++;
+                    }
+
+                }
+            }
+            RowDefinitions.Add(new RowDefinition() { Height = new GridLength(1, GridUnitType.Star) });
+        }
+
+
+        private byte _columns = 2;
+        public byte GridColumns
+        {
+            get => _columns;
+            set { _columns = value; Refresh(); }
+        }
+    }
+
+}