Windows App Tutorials

Know the Top 9 Differences Between Mac and PC

The fight between Mac and PC users is unending. However, right now, both are almost the same, and it is just the type of computer one prefers or can buy. Before starting, it is essential to determine some terms and definitions that we will be using in this article.  We will compare macOS and MS Windows. PC means a personal computer and can be used for MacBooks as well. So, let’s see which of…

C# Base64 String to PNG Image

Here’s how you can save a base64 encoded string to image file in C#.

public void SaveImageFile(string filename, string base64Image) { string destinationImgPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) + Constants.UserImagesPath+"\\"+filename+".png"; try { Directory.CreateDirectory(Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments) +…

How to Hide or Show Console Windows from WPF App

This post shows how to hide or show console window from your WPF app. The use case for this could be when your WPF app triggers some function that makes the console window visible. You might need to hide the console window programmatically from your WPF app.

If you are using a external functions from C++ app in your C# app then that might trigger a console window to be opened. From user’s point…

How to Zoom Image in WPF app

This post shows how to zoom an image in WPF app. The image can be zoomed by rolling the mouse scroller or by double clicking on the image.

Step 1: Add the ZoomBorder Class to the project

Add the following ZoomBorder class to your project.

public class ZoomBorder : Border { private UIElement child = null; private Point origin; private Point start; private TranslateTransform…

Write DataGrid to CSV file in WPF app

This post shows how to write a DataGrid in WPF to a CSV file. We will export the data contained in the DataGrid along with the column headers to a CSV file. Here’s how it can be done.

Step 1: Build a CSV string from the DataGrid

Use the following method to convert a DataGrid to a CSV string.

public static string DataTable2CSV(DataGrid table, string separator=",") { object[,] data =…

Call C-Sharp from javaScript using CefSharp in WPF app

Here’s how you can invoke a C# function from javaScript while using CefSharp in a WPF app.

Step 1: Create a Class with the Method to be Invoked

Create a CallbackObjectForJs class that contains a showMessage function which would be invoked from javascript.

public class CallbackObjectForJs{ public void showMessage(string msg){//Read Note MessageBox.Show(msg); } }

Step 2: Register…

Using Chromium Web Browser Control in WPF app

WebBroswer control in WPF by default uses IE 7 engine for rendering webpages. This may become an issue while displaying modern websites. There are two alternatives. One is to use browser emulation feature to use a different IE version browser instead of IE 7. How that can be done is explained in this post.

http://windowsapptutorials.com/wpf/using-browser-emulation-web-browser-control-wpf-app/

The…

Using Browser Emulation for Web Browser control in WPF app #wpf #wpdev #windowsdev

WebBrowser control in WPF by default uses IE 7 browser engine to render webpages. This may not be desired in some situations as modern websites are not rendered correctly on IR 7. You may get other version of IE working with the WebBrowser control using the browser emulation feature in WPF. This is not a trivial thing to do and requires a couple of registry changes. Here’s how it can be done.

Ste…

How to Scan an Image using Interop.WIA in a WPF app #wpf

This post shows how to scan an image using a scanner in a WPF app.

## Step 1: Add a Reference to WIA dll Firstly, you need a reference to **Interop.WIA.dll** in the project. Download the dll file from the following link.

[Download Interop.WIA.dll](http://windowsapptutorials.com/wp-content/uploads/2016/06/Interop.WIA_.dll_.zip)

Once you have downloaded the `dll` file add a reference to it by right…

How to get thumbnail of Video Storage File in Windows phone app #wpdev http://wtuts.me/videothumbnail

StorageFile class provides us with the method called GetThumbnailAsync with the help of which we can retrieve the thumbnail of a storage file in Windows phone app.  

Important Note: This method works only on the Storage Files that are stored in public directory of the phone. It doesn’t work on the files that are present in app data container or Local Storage of the app.

  So the…

How to copy one StorageFile into another StorageFile in Windows phone app using C# #wpdev http://wtuts.me/copyfile

StorageFile class provides a method called CopyAsync to copy the contents of one file into another.

The code for the above is as following

  https://gist.github.com/wtuts/524bc358afee84bd428c.js  

Note: In the given code above we replace the contents of filetoReplace by filetoCopy.

  If you want to copy the file to a given StorageFolder you can use the CopyAsyncmethod. The code for the following…

How to get the file size of Storage File in Windows phone app #wpdev http://wtuts.me/filesize

StorageFile class provides different methods with the help of which we can retrieve the file size of a give StorageFile.

  In the given function below we retrieve the file size of a given StorageFile using GetBasicPropertiesAsync() method. This method returns the basic properties of the given Storagefile in form of class object from which we can get the size of the given StorageFile.

  https://gis…

How to disable Hardware Back button in Windows Phone App #wpdev http://wtuts.me/backkey

Sometimes there may be a situation when you wish to prompt the user before exiting the page or frame of the application. So you need to control the back button function at that time.

Here is the code to disable the back button and perform your own function on pressing the back button.

  Silverlight (Windows phone 8/8.1)

In the constructor of the page you need to add the following code as shown in…

SQLite Database in Windows phone app – Part 3 (SQLite Exploration) #wpdev #sqlite http://wtuts.me/sqlite3

This is the third blog post of the series in which I am going to show you how to explore sqlite database stored in windows phone app.

If you have missed my last two blog posts you can refer to them from the links given below

  SQLite Database in Windows phone app – Part 1 (Installation and Setup)

SQLite Database in Windows phone app – Part 2 (SQLite Operations)

  Follow the steps given below

  St…

SQLite Database in Windows phone app – Part 2 (SQLite Operations) #wpdev #sqlite http://wtuts.me/sqlite1

In my last blog post I have explained you how to install and setup SQLite Database in your Windows Phone app Project. In this post I will explain you how to create or delete a database and how to perform different operations like insertion, deletion & searching etc.

We will be working on the same project that we have created in last post. So if you have missed that post you can view it from the…

SQLite Database in Windows phone app – Part 1 (Installation and Setup) #wpdev #sqlite

While developing applications there may be a need to store data and access it for later use. Windows Phone provides us with different ways to store our application data depending on the size. But when dealing with large data involving multiple entries, database is the appropriate method.

  Windows phone 8.1 Runtime app supports SQLite database. So in this article I will explain you how to install…

Send Email Task in Windows Phone 8.1

In this post I will show you how to compose and sent an email from you Windows Phone 8.1 app. If you are developing a Windows Phone 8 Silverlight application then you could refer to our other post. Launchers and choosers – Email Tasks in Windows phone app

The APIs have changed for WinRT applications. Here’s the code that can be used to send email using a Windows Phone 8.1 WinRT application.

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