add TableLayoutPanel extension methods for add/remove rows

Pilz.UI.WinForms/Extensions/TableLayoutPanelExtensions.cs

@@ -0,0 +1,66 @@
+namespace Pilz.UI.WinForms.Extensions;
+
+public static class TableLayoutPanelExtensions
+{
+    public static void InsertRows(this TableLayoutPanel panel, int row, int amount)
+    {
+        if (row < 0 || row > panel.RowCount)
+            throw new ArgumentOutOfRangeException(nameof(row));
+
+        if (amount <= 0)
+            return;
+
+        panel.SuspendLayout();
+        panel.RowCount += amount;
+
+        for (int i = 0; i < amount; i++)
+            panel.RowStyles.Insert(row, new RowStyle(SizeType.AutoSize));
+
+        foreach (var control in panel.Controls.Cast<Control>().OrderByDescending(panel.GetRow))
+        {
+            var currentRow = panel.GetRow(control);
+
+            if (currentRow >= row)
+                panel.SetRow(control, currentRow + amount);
+        }
+
+        panel.ResumeLayout();
+    }
+
+    public static void RemoveRows(this TableLayoutPanel panel, int row, int amount)
+    {
+        if (row < 0 || row >= panel.RowCount)
+            throw new ArgumentOutOfRangeException(nameof(row));
+
+        if (amount <= 0 || row + amount > panel.RowCount)
+            throw new ArgumentOutOfRangeException(nameof(amount));
+
+        panel.SuspendLayout();
+
+        foreach (var control in panel.Controls.Cast<Control>().ToList())
+        {
+            int r = panel.GetRow(control);
+            if (r >= row && r < row + amount)
+            {
+                panel.Controls.Remove(control);
+                control.Dispose();
+            }
+        }
+
+        foreach (var control in panel.Controls.Cast<Control>())
+        {
+            int r = panel.GetRow(control);
+            if (r >= row + amount)
+                panel.SetRow(control, r - amount);
+        }
+
+        for (int i = 0; i < amount; i++)
+        {
+            if (panel.RowStyles.Count > row)
+                panel.RowStyles.RemoveAt(row);
+        }
+
+        panel.RowCount -= amount;
+        panel.ResumeLayout();
+    }
+}

Pilz.UI.WinForms/Pilz.UI.WinForms.csproj

@@ -10,7 +10,7 @@
     <Nullable>annotations</Nullable>
   </PropertyGroup>
   <PropertyGroup>
-    <Version>2.6.1</Version>
+    <Version>2.6.2</Version>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />