Uploaded December 2012 | Updated September 2026, 2 weeks ago
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By mzmuda@techytube, for more from this author visit:
techytube.com/author/mzmuda
Data binding is an essential concept to software development, and one that is luckily made near-trivial by Visual Studio.
In a one-way binding, data is populated in one direction, to the end UI control. In this system, changing a value in the control does not reflect in the data source.
In a two-way binding scenario, data can flow back from the control to the data source. This is useful for an 'edit' role, versus a 'label' role which would more appropriately make use of one-way binding.
Data binding was made popular in WinForms (.NET 2.0), and Visual Studio 2012 makes it intuitive. Through multiple methods, such as Binding.Source and DataContext switching, a control can be bound to a source in just a few clicks.
In this video, I will show you how to bind a TextBlock to the DisplayName property in a file chosen from a FilePicker.
References
XAML File Pickers - msdn.microsoft.com/en-us/library/windows/apps/jj655411.aspx
Subscribe to our channel here for notifications on new video trainings. For more videos on technology, visit our website at http://www.techytube.com.
By mzmuda@techytube, for more from this author visit:
techytube.com/author/mzmuda
Data binding is an essential concept to software development, and one that is luckily made near-trivial by Visual Studio.
In a one-way binding, data is populated in one direction, to the end UI control. In this system, changing a value in the control does not reflect in the data source.
In a two-way binding scenario, data can flow back from the control to the data source. This is useful for an 'edit' role, versus a 'label' role which would more appropriately make use of one-way binding.
Data binding was made popular in WinForms (.NET 2.0), and Visual Studio 2012 makes it intuitive. Through multiple methods, such as Binding.Source and DataContext switching, a control can be bound to a source in just a few clicks.
In this video, I will show you how to bind a TextBlock to the DisplayName property in a file chosen from a FilePicker.
References
XAML File Pickers - msdn.microsoft.com/en-us/library/windows/apps/jj655411.aspx




![Instance Methods and Class Methods in Objective-C
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By pavel@techytube, for more from this author visit:
http://www.techytube.com/author/pavel
Instance Methods and Class Methods in Objective-C is very similar to the same concepts implemented in other object oriented programming languages.
Instance methods are the usual methods, and we always need some object(s) to call those specific methods. When we declare and implement them, we always start with the - (minus sign). The syntax for calling an instance method is:
[objectName instanceMethodName];
For class methods we do not need any object created in our program in order to call them.
They always start with the + (plus sign). The syntax for calling a class method is:
[ClassName classMethodName]; Instance Methods and Class Methods in Objective-C](https://i.ytimg.com/vi/sjFLaJD_cgA/mqdefault.jpg)





