Tag Archives: web

Videos vs Animated GIFs – Pros and Cons

Posted on August 26, 2018 by RodStephens

The modern web and mobile applications are rich in media content because it’s one of the crucial things that keeps the user engaged. An image is worth a thousand words, and a video is worth a million. Obviously, meaningful animated … Continue reading →

Posted in graphics, multimedia, web | Tagged animated GIF, C#, C# programming, example, example program, graphics, multimedia, web, Windows Forms programming | Leave a comment

Get a weather forecast from openweathermap.org in C#

Posted on July 30, 2018 by RodStephens

This example displays a weather forecast from openweathermap.org. To get a forecast or other data, you build a URL describing your request and navigate to it. You then parse the returned XML or JSON data to see what openweathermap.org has … Continue reading →

Posted in internet, web, XML | Tagged C#, C# programming, example, example program, forecasts, internet, JSON, weather, weather forecast, web, Windows Forms programming, XML | Leave a comment

Blank the WebBrowser control in C#

Posted on February 4, 2018 by Rod Stephens

If a program displays a web page in a WebBrowser control and then that page become irrelevant to the program, you may want to blank the control. Doing that is as easy as making the control navigate to the special … Continue reading →

Posted in controls, internet, web | Tagged blank WebBrowser control, C#, C# programming, clear WebBrowser control, controls, example, example program, internet, web, WebBrowser, WebBrowser control, Windows Forms programming | Leave a comment

Download and display a text file whenever a program starts in C#

Posted on December 30, 2017 by Rod Stephens

When this example starts, it downloads a file from the internet and displays it. You could do something similar to display a message of the day or announcements for your program. The program uses the following Load event handler to … Continue reading →

Posted in files, internet, web | Tagged C#, C# programming, download, download files, example, example program, files, internet, web, Windows Forms programming | Leave a comment

Graph currency rates over time in C#

Posted on December 2, 2016 by RodStephens

This example, which shows how to graph currency rates for a specific currency, is a bit longish. Sorry about that. It uses Yahoo Query Language (YQL), which you can use to perform a wide variety of queries on Yahoo’s data. … Continue reading →

Posted in finance, internet, mathematics, web | Tagged C#, C# programming, currency conversion rates, currency exchange rates, currency prices, example, example program, finance, get currency conversion rates, get currency exchange rates, get currency prices, get stock prices, get stocks, graph currency conversion rates, graph currency exchange rates, graph currency prices, graph currency rates, internet, mathematics, stock prices, stocks, web, WebClient, Windows Forms programming | 3 Comments

Get currency exchange rates in C#

Posted on December 2, 2016 by RodStephens

This example shows how you can get currency exchange rates from finance.yahoo.com. When it starts, the program uses the following code to get the currency exchange rates. // Get the currency symbols. private void Form1_Load(object sender, EventArgs e) { string … Continue reading →

Posted in finance, internet, mathematics, web | Tagged C#, C# programming, currency conversion rates, currency exchange rates, currency prices, example, example program, finance, get currency conversion rates, get currency exchange rates, get currency prices, get stock prices, get stocks, internet, mathematics, stock prices, stocks, web, WebClient, Windows Forms programming | 3 Comments

Get stock prices from different exchanges in C#

Posted on December 1, 2016 by RodStephens

The example Get stock prices from the internet in C# shows how to download stock prices from download.finance.yahoo.com. It builds a URL of the following form to get prices for MCI, DIS, COKE, and PEP: http://download.finance.yahoo.com/d/quotes.csv?s=MCI+DIS+COKE+PEP&f=sl1d1t1c1 To get prices from … Continue reading →

Posted in finance, internet, mathematics, web | Tagged C#, C# programming, example, example program, finance, get stock prices, get stocks, internet, mathematics, stock prices, stocks, web, WebClient, Windows Forms programming | 1 Comment

Make a temperature forecast in C#

Posted on May 18, 2016 by RodStephens

The example Get weather forecast data in C# explains how to read weather forecast data from OpenWeatherMap. This example uses that data to list the forecast’s temperatures. The forecast data has (in part) the following structure. <weatherdata> … <forecast> <time … Continue reading →

Posted in internet, interoperability, web, XML | Tagged C#, C# programming, example, example program, internet, interoperability, temperature, temperature forecast, weather conditions, weather forecast, web, Windows Forms programming, XML | 5 Comments

Get weather forecast data in C#

Posted on May 16, 2016 by RodStephens

There are many sites that offer weather condition and weather forecast services. All of the ones I found required you to have a developer key, although most of them have a free membership that works for a simple program like … Continue reading →

Posted in internet, interoperability, web, XML | Tagged C#, C# programming, example, example program, internet, interoperability, weather conditions, weather forecast, web, Windows Forms programming, XML | 2 Comments

Download images from a web page in C#

Posted on February 13, 2016 by Rod Stephens

This is a big program and this description only touches on its most interesting parts. Download it to see the details. The program displays a WebBrowser control on the left. Click the links on the WebBrowser to navigate to a … Continue reading →