If you double click on a PDF file, it will be opened by the default application linked to that extension. So if Acrobad Reader is installed it will be opened with that application. In .Net, we have Process.Start which can start an executable. So if we start a PDF file, it will be openend by […]

If you have a number like 137, and you want to know how many digits it is composed: var number = 137; var nbrOfDigits = Math.Floor(Math.Log10(number) + 1); //nbrOfDigits = 3    

So let’s say you have a few operations to run and it takes a while to finish the execution. You would like to know which step is taking so long and how to improve the performance of the application. First, you could simply put a break point in each methods, but what if you want […]

Multi threaded Singleton: using System; public sealed class Singleton { private static volatile Singleton instance; private static object syncRoot = new Object(); private Singleton() {} public static Singleton Instance { get { if (instance == null) { lock (syncRoot) { if (instance == null) instance = new Singleton(); } } return instance; } } }

This is a simple code to convert any Word document to a PDF using the Word interop. using Word = Microsoft.Office.Interop.Word; … public Word.Document wordDocument { get; set; } public void ConvertWord2PDF() { var appWord = new Word.Application(); wordDocument = appWord.Documents.Open(@”D:\Tests\test.docx”); wordDocument.ExportAsFixedFormat(@”D:\Tests\test.pdf”, Word.WdExportFormat.wdExportFormatPDF); }  

Here is a simple example of how to use a Dictionary with a Key-Value. var dico = new Dictionary<int, string>(); dico.Add(1, “Steeve”); dico.Add(2, “Morgan”); var result = dico.FirstOrDefault(x => x.Key == 1); var temp = result.Value; //temp = “Steeve”