Sometimes it can be useful to have an animated text even in WPF. Typically a “Loading…”, where the 3 dots are moving one by one. Here is a simple way to do an animation with text: <StackPanel Orientation=”Horizontal” Margin=”20″> <Button Content=”Start” Height=”20″ Command=”{Binding StartCommand}” VerticalAlignment=”Top” Margin=”5″ /> <Button Content=”Stop” Height=”20″ Command=”{Binding StopCommand}” VerticalAlignment=”Top” Margin=”5″ /> […]
WPF – Nullable binding
Hello Devz, Imagine you have a TextBox binded to a nullable integer and you put a value in it. Now let’s say you delete this value. You expect to have your value to be null. To be able to do that, you need to update the properties of you binding like this: <TextBox Text=”{Binding Value, […]
WPF – MessageBox on top of the other Views
Hello devz, It happens sometimes with WPF that a popup or a MessageBox is hidden and can block the whole application. To avoid this, just do the following: var msgBoxResult = MessageBox.Show(Application.Current.MainWindow, “Are you sure?”, “Delete item”, MessageBoxButton.YesNo, MessageBoxImage.Question); The Application.Current.MainWindow is the solution… But please pay attention that this parameter can be different! Indeed it’s […]
C# – Simple email validation regex
Hello Devz, Do you have a web or WPF application that needs email address validation? Regex (regular expression) can help you. This post outlines a simple email validation regex that you can use straight away. What is a regex? A regular expression (regex for short) describes a search pattern using a particular text string. It’s […]
C# – Natural Comparer
We all had the issue with an OrderBy on a collection of String, having that kind of result: Test1 Test10 Test2 Test20 Test3 Instead of: Test1 Test2 Test3 Test10 Test20 Here is the solution: public class NaturalComparer : Comparer<string> { public override int Compare(string x, string y) { if (x == y) return 0; string[] […]
C# – Retry Pattern with Polly
Hello devz! Typically, we want to get data from a distant service. This service can be slow, could not respond, or just be down… But can we still be robust in our application? Using the Retry Pattern with Polly, you can! The Retry Pattern allows us to retry a task in case of exceptions, can […]
C# – DistinctBy extension
Hello devz, The Distinct extension from System.Linq is really useful but the DistinctBy a property is missing. So we will create our own DistinctBy extension. No worries, it’s really easy. What is DistinctBy? DistinctBy is a very simple extension snippet for C# which allows the developer to remove duplicated objects in a collection based on […]
C# – Verify if it’s a network path
Hello, An easy way to determine if the path is a network path: [DllImport(“shlwapi.dll”)] public static extern bool PathIsNetworkPath(string pszPath); Yes, that’s all… Bye bye
C# – Check Write Access To Folder
Hi, An easy way to know if the user have write access to a folder can be done this way: public static bool HasWriteAccessToFolder(string folderPath) { try { // Attempt to get a list of security permissions from the folder. // This will raise an exception if the path is read only or do not […]
C# – Timer Elapsed
Time is money! But how do you manage the time in code? The simplest way of doing it is by using a Timer (System.Timers): using System; using System.Timers; namespace TimerEvent { class Program { static void Main(string[] args) { var keyPressed = false; const int delay = 1000; //Define the delay for the Timer var […]