Как вставить новый абзац в существующий PDF-файл с помощью C# и .NET
- Добавьте SautinSoft.Document из Nuget.
- Загрузите документ.
- Найдите все абзацы по центру.
- Установите для него желтый фон.
- Сохраните документ.
Полный код
GitHubusing System;
using System.IO;
using System.Linq;
using SautinSoft.Document;
namespace Example
{
class Program
{
static void Main(string[] args)
{
// Get your free 100-day key here:
// https://sautinsoft.com/start-for-free/
InsertParagraph();
}
/// <summary>
/// Inserts a new paragraph into an existing PDF document.
/// </summary>
/// <remarks>
/// Details: https://sautinsoft.com/products/document/help/net/developer-guide/insert-paragraphs-to-pdf-document-net-csharp-vb.php
/// </remarks>
static void InsertParagraph()
{
string inpFile = @"..\..\..\example.pdf";
string outFile = @"Result.pdf";
DocumentCore dc = DocumentCore.Load(inpFile);
Paragraph p = new Paragraph(dc);
p.Content.Start.Insert("Alexander Pushkin was a great russian romantic poet " +
"and writer who is considered by a lot of people as the best russian poet and the founder " +
"of contemporary russian literature.",
new CharacterFormat() { Size = 20, FontName = "Verdana", FontColor = new Color("#358CCB") });
p.ParagraphFormat.Alignment = HorizontalAlignment.Justify;
// Insert the paragraph as 1st element in the 1st section.
dc.Sections[0].Blocks.Insert(0, p);
dc.Save(outFile);
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(outFile) { UseShellExecute = true });
}
}
}Imports System
Imports System.IO
Imports System.Linq
Imports SautinSoft.Document
Namespace Example
Friend Class Program
Shared Sub Main(ByVal args() As String)
InsertParagraph()
End Sub
''' Get your free 100-day key here:
''' https://sautinsoft.com/start-for-free/
''' <summary>
''' Inserts a new paragraph into an existing PDF document.
''' </summary>
''' <remarks>
''' Details: https://sautinsoft.com/products/document/help/net/developer-guide/insert-paragraphs-to-pdf-document-net-csharp-vb.php
''' </remarks>
Private Shared Sub InsertParagraph()
Dim inpFile As String = "..\..\..\example.pdf"
Dim outFile As String = "Result.pdf"
Dim dc As DocumentCore = DocumentCore.Load(inpFile)
Dim p As New Paragraph(dc)
p.Content.Start.Insert("Alexander Pushkin was a great russian romantic poet " & "and writer who is considered by a lot of people as the best russian poet and the founder " & "of contemporary russian literature.", New CharacterFormat() With {
.Size = 20,
.FontName = "Verdana",
.FontColor = New Color("#358CCB")
})
p.ParagraphFormat.Alignment = HorizontalAlignment.Justify
' Insert the paragraph as 1st element in the 1st section.
dc.Sections(0).Blocks.Insert(0, p)
dc.Save(outFile)
System.Diagnostics.Process.Start(New System.Diagnostics.ProcessStartInfo(outFile) With {.UseShellExecute = True})
End Sub
End Class
End Namespace
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