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How to merge PDF files in C#, C++, VB.NET and VBScript using ...
This tutorial will show you how to merge multiple PDF files in C#, C++, VB.NET and VBScript using PDF Extractor SDK. Check this article also to learn how to ...

The first member of the Thermostat class is the TemperatureChangeHandler delegate Although not a requirement, ThermostatTemperatureChangeHandler is a nested delegate because its definition is specific to the Thermostat class The delegate defines the signature of the subscriber methods Notice, therefore, that in both the Heater and the Cooler classes, the OnTemperatureChanged() methods match the signature of TemperatureChangeHandler In addition to defining the delegate type, Thermostat also includes a property called OnTemperatureChange that is of the OnTemperatureChange Handler delegate type OnTemperatureChange stores a list of subscribers Notice that only one delegate field is required to store all the subscribers In other words, both the Cooler and the Heater classes will receive notifications of a change in the temperature from this single publisher The last member of Thermostat is the CurrentTemperature property This sets and retrieves the value of the current temperature reported by the Thermostat class

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Public Shared Function MergePdfFiles(ByVal pdfFiles() As String, ByVal .... PDFs into a single file that I posted on the Code Review SE site (the post, VB.NET ...

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using System; using SystemThreading; class SynchronizationUsingLock { readonly static object _Sync = new object(); const int _Total = intMaxValue; static long _Count = 0; public static void Main() { Thread thread = new Thread(Decrement); threadStart(); // Increment for (int i = 0; i < _Total; i++) { lock (_Sync) { _Count++; } } threadJoin(); ConsoleWriteLine("Count = {0}", _Count); } static void Decrement() { for (int i = 0; i < _Total; i++) { lock (_Sync) { _Count--; } } } }

Hooking Up the Publisher and Subscribers Finally, put all these pieces together in a Main() method Listing 133 shows a sample of what Main() could look like

class Program { public static void Main() { Thermostat thermostat = new Thermostat(); Heater heater = new Heater(60); Cooler cooler = new Cooler(80); string temperature; // Using C# 20 or later syntax thermostatOnTemperatureChange += heaterOnTemperatureChanged; thermostatOnTemperatureChange += coolerOnTemperatureChanged; ConsoleWrite("Enter temperature: "); temperature = ConsoleReadLine(); thermostatCurrentTemperature = intParse(temperature); } }

By locking the section of code accessing _Count (using either lock or Monitor), you are making the Main() and Decrement() methods thread safe, meaning they can be safely called from multiple threads simultaneously Synchronization does not come without a cost First, synchronization has an impact on performance Listing 159, for example, takes an order-of-magnitude longer to execute than Listing 157 does, which demonstrates lock's relatively slow execution compared to the execution of incrementing and decrementing the count Even when lock is insignificant in comparison with the work it synchronizes, programmers should avoid indiscriminately adding synchronization, thus avoiding the complexities of deadlocks and unnecessary constraints on multiprocessor computers The general best practice for object design is

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iText - Merge PDF File release
Merge PDF File release. Hello, Thank you up front for any help that can be given. I have a 2010 VB.Net PDF Merge function that works great.

vb.net merge pdf files

VBlogged: Merge PDF Files using iTextSharp & Visual Basic VB.NET
Nov 27, 2007 · Merge PDF Files using iTextSharp & Visual Basic VB.NET. Ken Huysmans posted an updated version of iTextSharp's MergeFile subroutine.

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vb.net code to merge pdf files