refactor: 精简代码逻辑

Author: ArgoZhang

src/BootstrapBlazor/Components/Layout/LayoutTabHeader.cs

@@ -3,8 +3,6 @@
 // See the LICENSE file in the project root for more information.
 // Maintainer: Argo Zhang([email protected]) Website: https://www.blazor.zone
 
-using Microsoft.AspNetCore.Components.Rendering;
-
 namespace BootstrapBlazor.Components;
 
 internal class LayoutTabHeader : IComponent
@@ -26,26 +24,14 @@ Task IComponent.SetParametersAsync(ParameterView parameters)
         return Task.CompletedTask;
     }
 
-    private RenderFragment? _renderFragment;
-
     /// <summary>
     /// render tab header method.
     /// </summary>
-    public void RenderHeader(RenderFragment renderFragment)
-    {
-        _renderFragment = renderFragment;
-        _renderHandle.Render(BuildRenderTree);
-    }
-
-    /// <summary>
-    /// <inheritdoc/>
-    /// </summary>
-    /// <param name="builder"></param>
-    private void BuildRenderTree(RenderTreeBuilder builder)
+    public void Render(RenderFragment renderFragment)
     {
-        if (_renderFragment != null)
+        _renderHandle.Render(builder =>
         {
-            builder.AddContent(0, _renderFragment);
-        }
+            builder.AddContent(0, renderFragment);
+        });
     }
 }

src/BootstrapBlazor/Components/Tab/Tab.razor

@@ -42,7 +42,7 @@ else
     @<div @attributes="@AdditionalAttributes" id="@Id" class="@ClassString" style="@StyleString">
         @if (layoutTabHeader != null)
         {
-            layoutTabHeader.RenderHeader(RenderTabHeader);
+            layoutTabHeader.Render(RenderTabHeader);
         }
         else
         {