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C# tutorial: PDF compression - World Best Learning Center
In this C# tutorial you will learn to compress a new PDF file and existing PDF file in itextsharp.

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C# tutorial: PDF compression - World Best Learning Center
In this C# tutorial you will learn to compress a new PDF file and existing PDF file in itextsharp. ... Percentage reduced (in file size ). Compression level 0 (no ...

Taking a quick glance at Figure 5-2, it s obvious that the various references between the individual types are numerous and therefore are creating brittle code. The objective is to clean up the references.

contents of the GtkEntry widget to the file. If an error occurs when writing the file, you should report it to the user with the message reporting system covered in 6. For example, the write operation will fail if the user does not have write access to the chosen location.

catch (InvalidCastException^ e) { // handle error } // using dynamic cast d = dynamic_cast<Derived^>(b); if (d == nullptr) { // handle error } safe_cast illustrates that the .NET platform error-handling mechanism is exception handling. You will need to use exception handling if you use the .NET Framework. 10 will cover this.

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C# How to compress PDF images in C# for Visual Studio 2013
28 Feb 2018 ... There is no doubt that the PDF file which contains plenty of images will ... For the reasons above, two methods to compress images in PDF ...

When an application uses references extensively, one solution is to use a middle entity to manage the references and messages to the different entities The Mediator pattern3 allows you to avoid the problem of requiring types to hold an instance to other types When implementing GUI applications, you ll use the Mediator pattern extensively A specialization of the Mediator pattern is the Relational Integrity Mediator pattern4 Languages like C# aren t meant to effectively manage references; in fact, programming languages do a very poor job of it In contrast, languages such as Structured Query Language (SQL) do a remarkable job at managing references and constraints To simplify managing references, a special type of mediator called a relational mediator is used Like the standard mediator, it s used to manage collections of types that reference other types.

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7 ways to compress PDF files in C# , VB.NET | Syncfusion Blogs
25 Apr 2018 ... Syncfusion Essential PDF is a .NET PDF library that can be used to optimize or compress your PDF documents. Reducing the PDF file size can ...

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How to Compress PDF Document in C# , VB.NET - E-iceblue
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In this exercise, you are using a timeout function to create a timer, which is actually a very simple thing to do. First, you need to create two widgets, a GtkLabel that will output the current count and a GtkButton that will reset the count to zero when clicked. The timeout should be created with g_timeout_add_full() as follows: g_timeout_add_full (G_PRIORITY_DEFAULT, 1000, (GSourceFunc) timeout_function, (gpointer) widget, NULL); The previous timeout will call timeout_function() every 1,000 milliseconds. Within this function, the count of seconds is incremented and the label updated. The second part of the exercise is to reimplement the timer s creation using GTimer. Try doing this by placing a second label within your previous solution so that the counts can be compared. You should notice that the timeout counts slower than GTimer, which keeps accurate time. This is because of the fact that timeout_function() is called every 1,000 milliseconds plus the time it takes to run the function! The next counting period for a timeout does not begin until the previous call is complete, which prevents the overlap of function calls. This is why timeout functions should never be used to keep track of time, which is what this exercise has illustrated.

Summary

This exercise is the first instance of the text editor application that you will encounter. It asks you to implement all of the functionality of the text editor.

More about this specialization of this pattern won t be discussed here, because it s beyond the scope of this book The Mediator pattern is created by default when you design a GUI For example, when GUI elements such as buttons are added to a form, they are added as generic controls The form manages children, and when updates are necessary, the form is responsible for informing the correct control at the correct time When the child controls need to update other controls, they ask the form, which then gets the reference for the child The child doesn t need to hold any references and can always ask for them dynamically The class TranslationTextBox can be simplified using the Mediator pattern by calling the parent form and asking for the textbox that needs to be updated, as in the following source code: public class TranslationTextBox: SystemWindowsForms.

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Best C# PDF file reducer, optimizer sdk libary for shrinking, decreasing large PDF files in Visual Studio .net applications. A high PDF compressing ratio control ...

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C# How to compress PDF images in C# for Visual Studio 2013
28 Feb 2018 ... C# How to compress PDF images. There is no doubt that the PDF file which contains plenty of images will enlarge the file and consume ...

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