Add named Panel1/Panel2 slots to SplitContainer

BlinForms.Framework/Controls/SplitContainer.cs

@@ -1,5 +1,6 @@
 using Emblazon;
 using Microsoft.AspNetCore.Components;
+using Microsoft.AspNetCore.Components.Rendering;
 using System.Windows.Forms;
 
 namespace BlinForms.Framework.Controls
@@ -11,7 +12,9 @@ namespace BlinForms.Framework.Controls
             NativeControlRegistry<IWindowsFormsControlHandler>.RegisterNativeControlComponent<SplitContainer, BlazorSplitContainer>();
         }
 
-        [Parameter] public RenderFragment ChildContent { get; set; }
+        [Parameter] public RenderFragment Panel1 { get; set; }
+        [Parameter] public RenderFragment Panel2 { get; set; }
+
         [Parameter] public Orientation? Orientation { get; set; }
         [Parameter] public int? SplitterDistance { get; set; }
         
@@ -29,7 +32,18 @@ namespace BlinForms.Framework.Controls
             }
         }
 
-        protected override RenderFragment GetChildContent() => ChildContent;
+        protected override RenderFragment GetChildContent() => RenderChildContent;
+
+        private void RenderChildContent(RenderTreeBuilder builder)
+        {
+            builder.OpenComponent<SplitterPanel1>(0);
+            builder.AddAttribute(1, nameof(SplitterPanel1.ChildContent), Panel1);
+            builder.CloseComponent();
+
+            builder.OpenComponent<SplitterPanel2>(2);
+            builder.AddAttribute(3, nameof(SplitterPanel2.ChildContent), Panel2);
+            builder.CloseComponent();
+        }
 
         class BlazorSplitContainer : System.Windows.Forms.SplitContainer, IWindowsFormsControlHandler
         {

BlinForms.Framework/Controls/SplitterPanel1.cs

@@ -2,7 +2,7 @@
 
 namespace BlinForms.Framework.Controls
 {
-    public class SplitterPanel1 : SplitterPanelBase
+    internal class SplitterPanel1 : SplitterPanelBase
     {
         static SplitterPanel1()
         {

BlinForms.Framework/Controls/SplitterPanel2.cs

@@ -2,7 +2,7 @@
 
 namespace BlinForms.Framework.Controls
 {
-    public class SplitterPanel2 : SplitterPanelBase
+    internal class SplitterPanel2 : SplitterPanelBase
     {
         static SplitterPanel2()
         {

BlinFormsSample/TodoApp.razor

@@ -2,13 +2,13 @@
                 Anchor="@(System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Right | System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)"
                 Orientation="System.Windows.Forms.Orientation.Vertical"
                 SplitterDistance="350">
-    <SplitterPanel1>
+    <Panel1>
         <Label Top="8" Left="8" Text="Todo Items" />
         <Panel Top="40" Left="8" Width="350" Height="450" BackColor="SystemColors.ControlDark">
             <TodoList />
         </Panel>
-    </SplitterPanel1>
-    <SplitterPanel2>
+    </Panel1>
+    <Panel2>
         <Label Top="8" Left="8" Text="Counter" />
         <Panel Top="40" Left="8">
             <Button Text="Toggle counter" OnClick="@ToggleCounterVisible" />
@@ -19,7 +19,7 @@
                 </Panel>
             }
         </Panel>
-    </SplitterPanel2>
+    </Panel2>
 </SplitContainer>
 
 @code

global.json

@@ -1,5 +1,5 @@
 {
   "sdk": {
-    "version": "3.0.100-preview8-013656"
+    "version": "3.0.100-preview9-014004"
   }
 }