Skip to main content

CF Form Disposal

The December 2004 issue of MSDN contains an article on developing CF apps. Part of the article advocates the disposing of forms as soon as you are done using them in order to conserve memory. I disagree with this.

I have found that caching forms improves the performance of a CF application. It takes a long time to load a form in CF so why should I make the user wait every time he has to reopen the same form? If the speed of creating forms was not an issue then I would be OK with disposing of them when done.

There is a Form Stack code block floating around the web that I have been using successfully to cache forms. This works up to a point but it has limitations as well. I am working on a hashtable cache for forms and will extend it to include panels. I think that performance would be even more improved if instead of caching entire forms we cache the panels.
Labels:

Comments

Post a Comment

Popular posts from this blog

C# Spirograph Point Generators

Spirograph's  are cool.  See here and here . I put together three ways to generate points for a Spirograph, first using a Brute Force straight generate the points, second using a Parallel.For and third using LINQ.
Post a Comment
Read more

FileSystemWatcher With the BlockingCollection

While working with the FileSystemWatcher I found that if too many files were created the built in buffer will overflowed and files will be skipped.  After much research I found out about the Producer-Consumer Problem .  Then I found that .Net 4 has the BlockingCollection which helps solve the issue.  But how to use it with the FileSystemWatcher? On StackOverflow I found  Making PLINQ and BlockingCollection work together .  I'm not so interested in the PLINQ issue but this is a great example of using The BlockingCollection with FileSystemWatcher. [csharp] using System; using System.Collections.Concurrent; using System.Collections.Generic; using System.IO; using System.Linq; using System.Threading; namespace ConsoleApplication4 {     public class Program     {         private const string Folder = "C:\\Temp\\InputData";         static void Main(string[] args) {             var cts = new CancellationTokenSource();             foreach (var obj in Input(cts.Token))            
Post a Comment
Read more

Remote Controlled RoboTank

This is my version of the ever popular to build RoboTank. It uses an Arduino Mega 2560 with the AdaFruit motor shield and an XBee S1 to communicate to the DFRobot Gamepad. The sketch for the RoboTank makes use of the AFMotor.h to drive the motors and includes a serial parser to read and process the commands coming from the Gamepad. Robotank-Sketch.zip DFRobot Wireless Joystick
1 comment
Read more