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C# demo to guide how to watermark PDF file, stamping text and image watermark to PDF document in C# language.

To illustrate these methods, we will leverage our automobile theme once again and build a Queue object that simulates a line of cars waiting to enter a car wash. First, assume the following static helper method: public static void WashCar(Car c) { Console.WriteLine("Cleaning {0}", c.PetName); } Now, ponder the following code: static void Main(string[] args) { ... // Make a Q with three items. Queue carWashQ = new Queue(); carWashQ.Enqueue(new Car("FirstCar", 0, 1)); carWashQ.Enqueue(new Car("SecondCar", 0, 2)); carWashQ.Enqueue(new Car("ThirdCar", 0, 3)); // Peek at first car in Q. Console.WriteLine("First in Q is {0}", ((Car)carWashQ.Peek()).PetName); // Remove each item from Q. WashCar((Car)carWashQ.Dequeue()); WashCar((Car)carWashQ.Dequeue()); WashCar((Car)carWashQ.Dequeue()); // Try to de-Q again try { WashCar((Car)carWashQ.Dequeue()); } catch(Exception e) { Console.WriteLine("Error!! {0}", e.Message);} } Here, you insert three items into the Queue type via its Enqueue() method. The call to Peek() allows you to view (but not remove) the first item currently in the Queue, which in this case is the car named FirstCar. Finally, the call to Dequeue() removes the item from the line and sends it into the WashCar() helper function for processing. Do note that if you attempt to remove items from an empty queue, a runtime exception is thrown.

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I found the code for adding watermark to existing pdf file . instea... ... created new pdf file dynamically in my web application using itextsharp .

c# add watermark to existing pdf file using itextsharp

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.

The BlazeDS JAR files and dependencies have already been published in the central Maven repository, so you don t need to download and install them in your local repository. To add the BlazeDS JAR files to your class path, include the dependencies shown in Listing 9-2 in your POM file.

The System.Collections.Stack type represents a collection that maintains items using a last-in, first-out manner. As you would expect, Stack defines a member named Push() and Pop() (to place items onto or remove items from the stack). The following stack example makes use of the standard System.String: static void Main(string[] args) { ... Stack stringStack = new Stack(); stringStack.Push("One"); stringStack.Push("Two"); stringStack.Push("Three");

// Now look at the top item, pop it, and look again. Console.WriteLine("Top item is: {0}", stringStack.Peek()); Console.WriteLine("Popped off {0}", stringStack.Pop()); Console.WriteLine("Top item is: {0}", stringStack.Peek()); Console.WriteLine("Popped off {0}", stringStack.Pop()); Console.WriteLine("Top item is: {0}", stringStack.Peek()); Console.WriteLine("Popped off {0}", stringStack.Pop()); try { Console.WriteLine("Top item is: {0}", stringStack.Peek()); Console.WriteLine("Popped off {0}", stringStack.Pop()); } catch(Exception e) { Console.WriteLine("Error!! {0}", e.Message);} } Here, you build a stack that contains three string types (named according to their order of insertion). As you peek onto the stack, you will always see the item at the very top, and therefore the first call to Peek() reveals the third string. After a series of Pop() and Peek() calls, the stack is eventually empty, at which time additional Peek()/Pop() calls raise a system exception.

In addition to the types defined within the System.Collections namespace, you should also be aware that the .NET base class libraries provide the System.Collections.Specialized namespace, which defines another set of types that are more (pardon the redundancy) specialized. For example, the StringDictionary and ListDictionary types each provide a stylized implementation of the IDictionary interface. Table 7-5 documents the key class types. Table 7-5. Types of the System.Collections.Specialized Namespace

<dependency> <groupId>com.adobe.BlazeDS</groupId> <artifactId>BlazeDS-common</artifactId> <version>3.0</version> </dependency> <dependency> <groupId>com.adobe.BlazeDS</groupId> <artifactId>BlazeDS-core</artifactId> <version>3.0</version> </dependency> <dependency> <groupId>com.adobe.BlazeDS</groupId> <artifactId>BlazeDS-remoting</artifactId> <version>3.0</version> </dependency>

c# add watermark to existing pdf file using itextsharp

[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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Using iTextSharp To Watermark /Write Text To Existing PDF's ...
11 May 2008 ... When I arrived to this client they utilized iTextSharp to " watermark " their PDF's . I' ve been ... An image with text was "underlain" into the PDF .

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c# add watermark to existing pdf file using itextsharp

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c# add watermark to existing pdf file using itextsharp

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c# add watermark to existing pdf file using itextsharp

c# add watermark to existing pdf file using itextsharp

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