This is an example of creating a custom attribute that decorates a class attribute. ColumnWidthAttribute Definition Example as property decorator. Retrieve Value at Runtime Get the attibute value: Method to query property attribute:
Windows uses an enumeration of special folder names to make it easier to find commonly used folders. Without this mechanism, we’d have to jump through a lot more hoops to determine this information since it is user dependent. I was trying to use a special folder as the root of a path for some common files shared by… Read More »
Using a time delay based on a Thread.Sleep() is truly easy. However, if you need a pause inside code that is using a CancellationToken, be aware that if the CancellationTokenSource calls the Cancel() method, Thread.Sleep() will ignore the request. CancellationToken Aware Sleep() In the example below, we get the WaitHandle from the token and pass in delay time… Read More »
I want my C# executable to write to the Application event log using a custom Source name so I can quickly find my events. My application must run under non-admin credentials but creating a custom log name requires administrative credentials. Since I also want to install everything with an Inno-based installer, I can use the period of time… Read More »
When writing code, I frequently add Debug checks to alert me that an incorrect assumption has been made. During development (debug build code), I want to know I haven’t handled a case. During production (release build code), I don’t want to interrupt the user experience. This means that for an unhandled case, the method should be written to… Read More »
Here are some different ways to handle money formatting in C#. Results:
If you have a non-trivial JSON object, it can be time consuming to create classes the can be used for serialization/deserialization. This web site can help you out no matter what type of language you want to work with. Procedure The resulting classes are regenerated automatically if you modify any settings or change the JSON file. Copy the… Read More »
It’s simple enough to add a try/catch block around code to catch any exception. But when you are in the initial stages of generating code, you want quick feedback and it doesn’t exactly need to be pretty. In the catch block, pass the exception to this method to create a string with easy to read information. The Code… Read More »
What do you do if your application has default settings but you want the user to be able to change them (for instance, background colors or font settings) and reload them the next time your app starts? You can store them in several places but this topic is about putting them in your application config file. When you… Read More »