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[Solved] How to add watermark image in pdf file - CodeProject
Here is some example for applying watermark in pdf. ... com/post/2011/12/21/Using-iTextSharp-with-aspnet-to-add-watermark-in-pdf-file.aspx[^]

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watermark text in all the pdf pages of existing pdf - C# Corner
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As you can see, the generated BinaryOp class defines three public methods. Invoke() is perhaps the core method, as it is used to invoke each method maintained by the delegate type in a synchronous manner, meaning the caller must wait for the call to complete before continuing on its way. Strangely enough, the synchronous Invoke() method is not directly callable from C#. As you will see in just a bit, Invoke() is called behind the scenes when you make use of the appropriate C# syntax. BeginInvoke() and EndInvoke() provide the ability to call the current method asynchronously on a second thread of execution. If you have a background in multithreading, you are aware that one of the most common reason developers create secondary threads of execution is to invoke methods that require time to complete. Although the .NET base class libraries provide an entire namespace devoted to multithreaded programming (System.Threading), delegates provide this functionality out of the box. Now, how exactly does the compiler know how to define the Invoke(), BeginInvoke(), and EndInvoke() methods To understand the process, here is the crux of the generated BinaryOp class type (bold marks the items specified by the defined delegate type): sealed class BinaryOp : System.MulticastDelegate { public BinaryOp(object target, uint functionAddress); public void Invoke(int x, int y); public IAsyncResult BeginInvoke(int x, int y, AsyncCallback cb, object state); public int EndInvoke(IAsyncResult result); }

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c# itextsharp PDF creation with watermark on each page - Stack ...
21 Nov 2011 ... After digging into it I found the best way was to add the watermark to each page ... Empty; public PdfWriterEvents(string watermark ) { watermarkText = watermark ; } .... using the following code (perhaps iTextSharp was improved a bit since then.

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iText 5-legacy : How to add an image watermark to a PDF file?
8 Jul 2013 ... I'm using C# and iTextSharp to add a watermark to my PDF files: ... Image img = iTextSharp .text. Image .GetInstance( WatermarkLocation ); img.

First, notice that the parameters and return value defined for the Invoke() method exactly match the definition of the BinaryOp delegate The initial parameters to BeginInvoke() members (two integers in our case) are also based on the BinaryOp delegate; however, BeginInvoke() will always provide two final parameters (of type AsyncCallback and object) that are used to facilitate asynchronous method invocations Finally, the return value of EndInvoke() is identical to the original delegate declaration and will always take as a sole parameter an object implementing the IAsyncResult interface Let s see another example Assume you have defined a delegate type that can point to any method returning a string and receiving three SystemBoolean input parameters: public delegate string MyDelegate(bool a, bool b, bool c); This time, the auto-generated class breaks down as follows: sealed class MyDelegate : System.

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add watermark to pdf using itextsharp c#

c# itextsharp PDF creation with watermark on each page - Stack ...
After digging into it I found the best way was to add the watermark to each page .... using the following code (perhaps iTextSharp was improved a bit since then.

c# add watermark to existing pdf file using itextsharp

Add Water mark image to PDF using iTextsharp, C# and VB.Net in ASP ...
Hi All , I Have Create one Merge Pdf File, within that file i would like to add stamp to all pages, i have tried lots, but nver got the solution, please ...

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MulticastDelegate { public MyDelegate(object target, uint functionAddress); public string Invoke(bool a, bool b, bool c); public IAsyncResult BeginInvoke(bool a, bool b, bool c, AsyncCallback cb, object state); public string EndInvoke(IAsyncResult result); } Delegates can also point to methods that contain any number of out or ref parameters For example, assume the following delegate type: public delegate string MyOtherDelegate(out bool a, ref bool b, int c); The signatures of the Invoke() and BeginInvoke() methods look as you would expect; however, check out the EndInvoke() method, which now includes the set of all out/ref arguments defined by the delegate type: sealed class MyOtherDelegate : System.

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How to add watermark to PDF file in C# , VB.NET | WinForms - PDF
3 Aug 2018 ... C# example to add watermark to PDF file using Syncfusion .NET PDF library. Text and image watermark also supported.

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How to add a watermark to a PDF file? - Stack Overflow
The fact that the file size increases is a good indication that the watermark is added. The main problem is that you're adding the watermark ...

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[Solved] How to add watermark image in pdf file - CodeProject
Here is some example for applying watermark in pdf . ... com/post/2011/12/21/ Using - iTextSharp -with-aspnet-to- add - watermark -in- pdf - file .aspx[^]

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[VB.Net] Add watermark to existing Pdf file using iTextSharp -VBForums
Net forum on how to add watermark to Pdf pages. ... adding an image and text as the watermark on each page of a pdf file . ... For those of us who find this solution via a web search and want a C# (C-Sharp) version, here it is, ...

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