feat(PdfReader): add OnPageChangedAsync parameter (#7178)

* doc: 更新示例

* feat(PdfReader): add OnPageChangedAsync parameter

Author: ArgoZhang

src/BootstrapBlazor.Server/BootstrapBlazor.Server.csproj

@@ -62,7 +62,7 @@
     <PackageReference Include="BootstrapBlazor.OfficeViewer" Version="10.0.0" />
     <PackageReference Include="BootstrapBlazor.OnScreenKeyboard" Version="10.0.0" />
     <PackageReference Include="BootstrapBlazor.OpcDa" Version="10.0.0" />
-    <PackageReference Include="BootstrapBlazor.PdfReader" Version="10.0.1-beta01" />
+    <PackageReference Include="BootstrapBlazor.PdfReader" Version="10.0.1-beta02" />
     <PackageReference Include="BootstrapBlazor.PdfViewer" Version="10.0.0" />
     <PackageReference Include="BootstrapBlazor.Player" Version="10.0.1" />
     <PackageReference Include="BootstrapBlazor.RDKit" Version="10.0.0" />

src/BootstrapBlazor.Server/Components/Samples/PdfReaders.razor

@@ -7,7 +7,7 @@
 <PackageTips Name="BootstrapBlazor.PdfReader" />
 
 <DemoBlock Title="@Localizer["PdfReaderNormalText"]" Introduction="@Localizer["PdfReaderNormalIntro"]" Name="Normal">
-    <PdfReader ViewHeight="800px" Url="./samples/sample.pdf"></PdfReader>
+    <PdfReader Options="_options"></PdfReader>
 </DemoBlock>
 
 @* <DemoBlock Title="@Localizer["PdfReaderStreamModeText"]" Introduction="@Localizer["PdfReaderStreamModeIntro"]" Name="StreamMode">

src/BootstrapBlazor.Server/Components/Samples/PdfReaders.razor.cs

@@ -21,6 +21,12 @@ public partial class PdfReaders
     [NotNull]
     PdfReader? PdfReader { get; set; }
 
+    private PdfReaderOptions _options = new()
+    {
+        Url = "./samples/sample.pdf",
+        ViewHeight = "600px"
+    };
+
     private string FilenameStream { get; set; } = "https://blazor.app1.es/_content/DemoShared/samples/sample2.pdf";
 
     private async Task ApplyFilenameStream()