947956 : Custom Toolbar Zoom Percentage is not working properly

Toolbar/CustomToolbar/App.config

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+    <startup> 
+        <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6" />
+    </startup>
+
+</configuration>

Toolbar/CustomToolbar/App.xaml

@@ -0,0 +1,9 @@
+<Application x:Class="CustomToolBar.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:CustomToolBar"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

Toolbar/CustomToolbar/App.xaml.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace CustomToolBar
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}

Toolbar/CustomToolbar/CustomToolbar.csproj

@@ -0,0 +1,110 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
+    <ProjectGuid>{6AC69A74-7539-4C2C-BDFD-F436674A7FBD}</ProjectGuid>
+    <OutputType>WinExe</OutputType>
+    <RootNamespace>CustomToolbar</RootNamespace>
+    <AssemblyName>CustomToolbar</AssemblyName>
+    <TargetFrameworkVersion>v4.6.2</TargetFrameworkVersion>
+    <FileAlignment>512</FileAlignment>
+    <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <WarningLevel>4</WarningLevel>
+    <Deterministic>true</Deterministic>
+    <TargetFrameworkProfile />
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\Debug\</OutputPath>
+    <DefineConstants>DEBUG;TRACE;FRAMEWORK</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <Prefer32Bit>false</Prefer32Bit>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
+    <PlatformTarget>AnyCPU</PlatformTarget>
+    <DebugType>pdbonly</DebugType>
+    <Optimize>true</Optimize>
+    <OutputPath>bin\Release\</OutputPath>
+    <DefineConstants>TRACE;FRAMEWORK</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+  </PropertyGroup>
+  <ItemGroup>
+     <PackageReference Include="Syncfusion.PdfViewer.WPF" Version="*" />
+	 <PackageReference Include="Syncfusion.SfSkinManager.WPF" Version="*"/>
+    <PackageReference Include="Syncfusion.Themes.Office2019Colorful.WPF" Version="*"/>
+	 <PackageReference Include="Syncfusion.Tools.WPF" Version="*"/>
+    <Reference Include="System" />
+    <Reference Include="System.Data" />
+    <Reference Include="System.Windows.Controls.Ribbon" />
+    <Reference Include="System.Xml" />
+    <Reference Include="Microsoft.CSharp" />
+    <Reference Include="System.Core" />
+    <Reference Include="System.Xml.Linq" />
+    <Reference Include="System.Data.DataSetExtensions" />
+    <Reference Include="System.Net.Http" />
+    <Reference Include="System.Xaml">
+      <RequiredTargetFramework>4.0</RequiredTargetFramework>
+    </Reference>
+    <Reference Include="WindowsBase" />
+    <Reference Include="PresentationCore" />
+    <Reference Include="PresentationFramework" />
+  </ItemGroup>
+  <ItemGroup>
+    <ApplicationDefinition Include="App.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </ApplicationDefinition>
+    <Compile Include="ViewModel\ViewModel.cs" />
+    <Page Include="MainWindow.xaml">
+      <Generator>MSBuild:Compile</Generator>
+      <SubType>Designer</SubType>
+    </Page>
+    <Compile Include="App.xaml.cs">
+      <DependentUpon>App.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Helper\PdfViewerEventAttachUtil.cs" />
+    <Compile Include="MainWindow.xaml.cs">
+      <DependentUpon>MainWindow.xaml</DependentUpon>
+      <SubType>Code</SubType>
+    </Compile>
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="Properties\AssemblyInfo.cs">
+      <SubType>Code</SubType>
+    </Compile>
+    <Compile Include="Properties\Resources.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DesignTime>True</DesignTime>
+      <DependentUpon>Resources.resx</DependentUpon>
+    </Compile>
+    <Compile Include="Properties\Settings.Designer.cs">
+      <AutoGen>True</AutoGen>
+      <DependentUpon>Settings.settings</DependentUpon>
+      <DesignTimeSharedInput>True</DesignTimeSharedInput>
+    </Compile>
+    <EmbeddedResource Include="Properties\Resources.resx">
+      <Generator>ResXFileCodeGenerator</Generator>
+      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
+    </EmbeddedResource>
+    <None Include="Data\F# Succinctly.pdf" />
+    <None Include="Properties\Settings.settings">
+      <Generator>SettingsSingleFileGenerator</Generator>
+      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
+    </None>
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="App.config" />
+  </ItemGroup>
+  <ItemGroup>
+    <Resource Include="Data\PdfViewer\Approved.png" />
+  </ItemGroup>
+  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
+</Project>

Toolbar/CustomToolbar/CustomToolbar.sln

@@ -0,0 +1,24 @@
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.5.2.0
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CustomToolbar", "CustomToolbar.csproj", "{BDB4645E-EC1F-6D00-4FE7-2C6AB5166375}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{BDB4645E-EC1F-6D00-4FE7-2C6AB5166375}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BDB4645E-EC1F-6D00-4FE7-2C6AB5166375}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BDB4645E-EC1F-6D00-4FE7-2C6AB5166375}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BDB4645E-EC1F-6D00-4FE7-2C6AB5166375}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {E4AE6383-1A5C-46C2-93BE-A60C75360BC0}
+	EndGlobalSection
+EndGlobal

Toolbar/CustomToolbar/CustomToolbar_NET.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Syncfusion.PdfViewer.WPF" Version="*" />
+	 <PackageReference Include="Syncfusion.SfSkinManager.WPF" Version="*" />
+    <PackageReference Include="Syncfusion.Themes.Office2019Colorful.WPF" Version="*" />
+	<PackageReference Include="Syncfusion.Tools.WPF" Version="*" />
+  </ItemGroup>
+</Project>

Toolbar/CustomToolbar/CustomToolbar_NET.sln

@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.8.226.21692
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "CustomToolbar_NET", "CustomToolbar_NET.csproj", "{A9693914-16B8-4605-BAF9-69C6FFE4ABB0}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{A9693914-16B8-4605-BAF9-69C6FFE4ABB0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A9693914-16B8-4605-BAF9-69C6FFE4ABB0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A9693914-16B8-4605-BAF9-69C6FFE4ABB0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A9693914-16B8-4605-BAF9-69C6FFE4ABB0}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {CBF28B5B-1546-4921-BF24-226CA1F9ED89}
+	EndGlobalSection
+EndGlobal

Toolbar/CustomToolbar/Helper/PdfViewerEventAttachUtil.cs

@@ -0,0 +1,43 @@
+#region Copyright Syncfusion Inc. 2001-2021.
+// Copyright Syncfusion Inc. 2001-2021. All rights reserved.
+// Use of this code is subject to the terms of our license.
+// A copy of the current license can be obtained at any time by e-mailing
+// [email protected]. Any infringement will be prosecuted under
+// applicable laws. 
+#endregion
+using System;
+using System.Windows;
+using System.Windows.Controls;
+
+namespace syncfusion.pdfviewerdemos.wpf
+{
+    public class PdfViewerEventAttachUtil
+    {
+        public static DependencyProperty WindowLoaded = DependencyProperty.RegisterAttached("WindowLoaded", typeof(bool), typeof(PdfViewerEventAttachUtil), new PropertyMetadata(new PropertyChangedCallback(WindowLoadedChanged)));
+
+        public static void SetWindowLoaded(DependencyObject sender, bool command)
+        {
+            sender.SetValue(WindowLoaded, command);
+        }
+        /// <summary>
+        /// Retrieves the parent Window from the given Grid and assigns handlers from the ViewModel.
+        /// </summary>
+        public static void WindowLoadedChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
+        {
+            Grid grid = sender as Grid;
+            if (grid != null)
+            {
+                Window view = grid.Parent as Window;
+                if (view != null)
+                {
+                        CustomToolbarViewModel viewModel = view.DataContext as CustomToolbarViewModel;
+                        if (viewModel != null)
+                        {
+                            view.Loaded += new RoutedEventHandler(viewModel.Loaded);
+                            view.Closed += new EventHandler(viewModel.Closed);
+                        }
+                }
+            }
+        }
+    }
+}