Basic Examples

content/english/net/_index.md

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+---
+title: Tutorials and Examples of GroupDocs.Annotation for .NET 
+linktitle: GroupDocs.Annotation for .NET Tutorials
+type: docs
+weight: 10
+url: /net/
+description:
+is_root: true
+---
+
+### [Document Loading Essentials](./document-loading-essentials/)
+
+### [Getting Started](./getting-started/)
+
+### [Advanced Usage](./advanced-usage/)
+
+### [Unlocking Annotation Power](./unlocking-annotation-power/)
+
+### [Document Components](./document-components/)
+
+### [Removing Annotations](./removing-annotations/)
+
+### [Applying Licenses](./applying-licenses/)

content/english/net/advanced-usage/_index.md

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+---
+title: Advanced Usage
+linktitle: Advanced Usage
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 22
+url: /net/advanced-usage/
+---
+
+## Advanced Usage Tutorials
+### [Change Image Quality](./change-image-quality/)
+### [Export Annotations from XML File](./export-annotations-xml-file/)
+### [Generate Document Pages Preview](./generate-document-pages-preview/)
+### [Generate Preview without Annotations](./generate-preview-without-annotations/)
+### [Generate Preview without Comments](./generate-preview-without-comments/)
+### [Generate Preview Worksheet Columns](./generate-preview-worksheet-columns/)
+### [Get All Version Keys on Document](./get-all-version-keys-document/)
+### [Get Document Text Content Information](./get-document-text-content-information/)
+### [Get List of Annotations using Version Key](./get-list-annotations-version-key/)
+### [Import Annotations from Document](./import-annotations-from-document/)
+### [Loading Custom Fonts](./loading-custom-fonts/)
+### [Put Image Annotation over Text](./put-image-annotation-over-text/)
+### [Rotating PDF Documents](./rotating-pdf-documents/)
+### [Set Document Preview Resolution](./set-document-preview-resolution/)

content/english/net/advanced-usage/change-image-quality/_index.md

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+---
+title: Change Image Quality
+linktitle: Change Image Quality
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 10
+url: /net/advanced-usage/change-image-quality/
+---
+
+## Complete Source Code
+```csharp
+using System;
+using System.IO;
+using GroupDocs.Annotation;
+
+namespace GroupDocs.Annotation.Examples.CSharp.AdvancedUsage
+{
+    class ChangeImageQuality
+    {
+        public static void Run()
+        {
+            using (Annotator annotator = new Annotator("input.pdf-file")) // specify the path to the input PDF file
+{
+	        string dataDir = "input.pdf"; // specify the path to the input PDF file
+            string data = "image.jpg"; // the path to the JPG file
+            int pageNumber = 1; // set the page where the image will be inserted
+            int imageQuality = 10; // set image quality
+            annotator.Document.AddImageToDocument(dataDir, data, pageNumber, imageQuality);
+}
+        }
+    }
+}
+
+```

content/english/net/advanced-usage/export-annotations-xml-file/_index.md

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+---
+title: Export Annotations from XML File
+linktitle: Export Annotations from XML File
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 11
+url: /net/advanced-usage/export-annotations-xml-file/
+---
+
+## Complete Source Code
+```csharp
+using System;
+using System.IO;
+using GroupDocs.Annotation;
+
+namespace GroupDocs.Annotation.Examples.CSharp.AdvancedUsage
+{
+    class ExportAnnotationsFromXMLFile
+    {
+        public static void Run()
+        {
+            using (Annotator annotator = new Annotator("input.pdf-file")) // specify the path to the input PDF file
+{
+	        annotator.ExportAnnotationsFromXMLFile("input.XML-file"); // specify the path to the input XML file
+            annotator.Save("result_export");
+}
+        }
+    }
+}
+
+```

content/english/net/advanced-usage/generate-document-pages-preview/_index.md

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+---
+title: Generate Document Pages Preview
+linktitle: Generate Document Pages Preview
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 12
+url: /net/advanced-usage/generate-document-pages-preview/
+---
+
+## Complete Source Code
+```csharp
+using GroupDocs.Annotation.Options;
+using System;
+using System.IO;
+
+namespace GroupDocs.Annotation.Examples.CSharp.AdvancedUsage
+{
+    /// <summary>
+    /// This example demonstrates annotating generating previews from document
+    /// </summary>
+    internal class GenerateDocumentPagesPreview
+    {
+        public static void Run()
+        {
+            using (Annotator annotator = new Annotator("input.pdf"))
+            {
+                PreviewOptions previewOptions = new PreviewOptions(pageNumber =>
+                {
+                    var pagePath = Path.Combine(Constants.GetOutputDirectoryPath(), $"result_{pageNumber}.png");
+                    return File.Create(pagePath);
+                });
+                previewOptions.PreviewFormat = PreviewFormats.PNG;
+
+                previewOptions.PageNumbers = new int[] { 1, 2, 3, 4 };
+                annotator.Document.GeneratePreview(previewOptions);
+            }
+            Console.WriteLine($"\nDocument previews generated successfully.\nCheck output in {Constants.GetOutputDirectoryPath()}.");
+        }
+    }
+}
+```

content/english/net/advanced-usage/generate-preview-without-annotations/_index.md

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+---
+title: Generate Preview without Annotations
+linktitle: Generate Preview without Annotations
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 13
+url: /net/advanced-usage/generate-preview-without-annotations/
+---
+
+## Complete Source Code
+```csharp
+using System.IO;
+using GroupDocs.Annotation.Options;
+
+namespace GroupDocs.Annotation.Examples.CSharp
+{
+    /// <summary>
+    /// This example demonstrates generating preview of document without rendering comments
+    /// </summary>
+    class GeneratePreviewWithoutAnnotations
+    {
+        public static void Run()
+        {
+            using (Annotator annotator = new Annotator("annotated.pdf"_DOCX))
+            {
+                PreviewOptions previewOptions = new PreviewOptions(pageNumber =>
+                {
+                    var pagePath = $"result{pageNumber}.png";
+                    return File.Create(pagePath);
+                });
+
+                previewOptions.PreviewFormat = PreviewFormats.PNG;
+                previewOptions.PageNumbers = new int[] {1, 2, 3, 4, 5, 6};
+                previewOptions.RenderAnnotations = false;
+                annotator.Document.GeneratePreview(previewOptions);
+            }
+        }
+    }
+}
+
+```

content/english/net/advanced-usage/generate-preview-without-comments/_index.md

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+---
+title: Generate Preview without Comments
+linktitle: Generate Preview without Comments
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 14
+url: /net/advanced-usage/generate-preview-without-comments/
+---
+
+## Complete Source Code
+```csharp
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using GroupDocs.Annotation.Options;
+
+namespace GroupDocs.Annotation.Examples.CSharp.AdvancedUsage
+{
+    /// <summary>
+    /// This example demonstrates generating preview of document without rendering comments
+    /// </summary>
+    class GeneratePreviewWithoutComments
+    {
+        public static void Run()
+        {
+            using (Annotator annotator = new Annotator("annotated.pdf"_DOCX))
+            {
+                PreviewOptions previewOptions = new PreviewOptions(pageNumber =>
+                {
+                    var pagePath = $"result{pageNumber}.png";
+                    return File.Create(pagePath);
+                });
+                previewOptions.PreviewFormat = PreviewFormats.PNG;
+                previewOptions.PageNumbers = new int[] { 1, 2, 3, 4, 5, 6 };
+                previewOptions.RenderComments = false;
+                annotator.Document.GeneratePreview(previewOptions);
+            }
+        }
+    }
+}
+
+```

content/english/net/advanced-usage/generate-preview-worksheet-columns/_index.md

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+---
+title: Generate Preview Worksheet Columns
+linktitle: Generate Preview Worksheet Columns
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 15
+url: /net/advanced-usage/generate-preview-worksheet-columns/
+---
+
+## Complete Source Code
+```csharp
+using GroupDocs.Annotation;
+using GroupDocs.Annotation.Options;
+using System;
+using System.IO;
+
+namespace GroupDocs.Annotation.Examples.CSharp.AdvancedUsage
+{
+    /// <summary>
+    /// This example demonstrates generating previews from document with specified worksheet columns
+    /// </summary>
+    internal class GeneratePreviewWorksheetColumns
+    {
+        public static void Run()
+        {
+            PreviewOptions previewOptions =
+                new PreviewOptions(
+                    pageNumber => new FileStream(Path.Combine(Constants.GetOutputDirectoryPath(), $"cells_page{pageNumber}.png"), FileMode.Create),
+                    (number, stream) => stream.Dispose()
+                    );
+            previewOptions.WorksheetColumns.Add(new WorksheetColumnsRange("Sheet1", 2, 3));
+            previewOptions.WorksheetColumns.Add(new WorksheetColumnsRange("Sheet1", 1, 1));
+
+            using (Annotator annotator = new Annotator("input.xlsx"))
+            {
+                annotator.Document.GeneratePreview(previewOptions);
+            }
+            Console.WriteLine($"\nDocument previews generated successfully.\nCheck output in {Constants.GetOutputDirectoryPath()}.");
+        }
+    }
+}
+```

content/english/net/advanced-usage/get-all-version-keys-document/_index.md

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+---
+title: Get All Version Keys on Document
+linktitle: Get All Version Keys on Document
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 16
+url: /net/advanced-usage/get-all-version-keys-document/
+---
+
+## Complete Source Code
+```csharp
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace GroupDocs.Annotation.Examples.CSharp.AdvancedUsage
+{
+    /// <summary>
+    /// This example demonstrates getting all version keys from document
+    /// </summary>
+    class GetAllVersionKeysOnDocument
+    {
+        public static void Run()
+        {
+            using (Annotator annotator = new Annotator("annotated_with_versions.pdf"))
+            {
+                List<object> versionKeys = annotator.GetVersionsList();
+            }
+        }
+    }
+}
+
+```

content/english/net/advanced-usage/get-document-text-content-information/_index.md

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+---
+title: Get Document Text Content Information
+linktitle: Get Document Text Content Information
+second_title: GroupDocs.Annotation .NET API
+description: 
+type: docs
+weight: 17
+url: /net/advanced-usage/get-document-text-content-information/
+---
+
+## Complete Source Code
+```csharp
+using System;
+using GroupDocs.Annotation.Models;
+
+namespace GroupDocs.Annotation.Examples.CSharp.AdvancedUsage
+{
+    /// <summary>
+    /// This example demonstrates how to get an information about document's text content
+    /// </summary>
+    class GetDocumentTextContentInformation
+    {
+        public static void Run()
+        {
+            using (Annotator annotator = new Annotator("annotated.pdf"_DOCX))
+            {
+                IDocumentInfo documentInfo = annotator.Document.GetDocumentInfo();
+
+                foreach (PageInfo page in documentInfo.PagesInfo)
+                {
+                    //Here you can get information about page through the 'page' object.
+                    Console.WriteLine("Page number {0}, width: {1} and height: {2}", page.PageNumber, page.Width, page.Height);
+
+                    foreach (TextLineInfo textLine in page.TextLines)
+                    {
+                        //Here you can get information about every text line on page, through the 'textLine' object.
+                        Console.WriteLine("\tText line. '{0}'", textLine.Text);
+                        Console.WriteLine("\t\tText width {0} and height {1}. Top indent: {2}, left indent: {3}",
+                            textLine.Width, textLine.Height, textLine.TopIndent, textLine.LeftIndent);
+                    }
+                }
+            }
+        }
+    }
+}
+
+```