c# add watermark to existing pdf file using itextsharp

Add Water mark image to PDF using iTextsharp , C# and VB.Net in ASP ...
Create)); var image = iTextSharp . text .Image.GetInstance(watermarkImagePath); image.SetAbsolutePosition(200, 400); for (var i = 0; ...

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Add Watermark to PDFs using iTextSharp – An eye for change….
Apr 16, 2015 · ... you can use iTextSharp in c# projects to add watermark to your PDFs. ... are not aware of iTextSharp, it is basically a .net PDF library which is ...

After building the project, the following files are available for our use: MixedSharedLib.dll: The mixed assembly that can be referenced and used by managed or unmanaged projects MixedSharedLib.lib: The library of exported classes that can be included in the linker step of other unmanaged projects Starting with the managed side of things, we can create a Visual Basic .NET (VB.NET) project to test the managed class. We implement the test code like this: Dim obj As MixedSharedLib.MixedNumber obj = New MixedSharedLib.MixedNumber() Dim result As Integer _ = obj.AddTheNumbers(111, 222) Console.WriteLine("MixedNumber result: {0}", _ result) Prior to building this Visual Basic code, we make sure that we add a reference to the MixedSharedLib.dll assembly. When we execute this test, the results look like this: MixedNumber result: 333 Now that we ve successfully used this mixed assembly from .NET code, we ll do the same thing from unmanaged code. We write this C++ code that uses the unmanaged class from our mixed assembly: //test the mixed unmanaged/managed class MixedSharedLib::CMixedNativeNumber obj; int result = obj.AddTheNumbers(55, 66); //show the results _cprintf("Mixed assembly result: %i \r\n", result); In order for this to build, we need to reference the header file with a #include "MixedNativeNumber.h" statement. We also need to add the MixedSharedLib.lib file to the linker input of this project. When we execute this code, the results look like this:

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add watermark to pdf using itextsharp c#

Windows Add a text watermark on PDF in C# sample in C# for ...
15 Oct 2014 ... This sample shows how to add text watermark on every PDF pages in a document using free Spire. PDF with C# .

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Add a Diagonal Watermark to PDF in C# - Tallcomponents
29 Aug 2011 ... This code sample shows how to add a diagonal watermark to an existing PDF in C# . pdf - add - watermark .PNG Copy static void Main(string[] ...

Figure 11-5. Front panel label in place with holes drilled Alternatively, if you don't care about analog input and will only be measuring digital logic levels, you don't need to care about shielding and can go for cheaper plugs and sockets. Or you could do what many commercial logic analyzers do and combine all the inputs into a single multipin socket. Next, mount the power LED. We used a relatively expensive panel-mount LED in a metal bezel, but you could just as easily use a regular LED and glue it into the hole or clip it into place with a plastic bezel if you prefer (see Figure 11-6).

add watermark to pdf c#

How To Add Watermark On PDF Files - C# Corner
23 Sep 2015 ... Step 2: Get the first page of the PDF . Step 3: Load the image from file and set it as the PDF background. Step 4: Save the document to file. Figure 1: Watermark . Part 2: Add Text Watermark . Step 1: Create a new instance of PDF document and load the document from file. Step 2: Get the first page of the PDF .

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Watermark pdf in C# - asp.net tips and tricks
14 Jan 2017 ... Steps for creating Pdf watermarked. creating new project window application; download itextsharp from Here; add reference of itextSharp .dll to ...

Mixed assembly result: 121 The following example uses the #pragma directives to mix managed and unmanaged code within the same source file. We start by adding this code to the same MixedSharedLib project: using namespace System; namespace MixedSharedLib { #pragma unmanaged //unmanaged helper function int ReturnHighest(int numA, int numB) { //return the higher number return (numA > numB numA : numB); } #pragma managed //managed class public ref class MixedWithHelper { public: MixedWithHelper(void) {} //find the length of the longest string int GetLongestStringLength(String^ paramA, String^ paramB, String^ paramC) { //use the unmanaged helper function int highest = ReturnHighest( paramA->Length, paramB->Length); highest = ReturnHighest( highest, paramC->Length); return highest; } }; } After the first #pragma unmanaged directive, we implement a helper function that returns the greater of two numbers. We then implement the managed test class after the #pragma managed directive. Without this second directive, the compiler will flag the class with a number of errors, since we previously told it that the code was unmanaged. The class is clearly managed since it includes the ref modifier and also uses the System. String class as a method parameter.