In the Microsoft Framework class library, there are some built-in delegates. Action, Predicate, and Func are some of them. I have explained Action and Predicate in my previous posts. Action and predicate delegates have restrictions. The action delegate can only take parameters and does not return anything. A predicate delegate can …
C# Interface defines a group of related functionality. An interface defines only the definition of the functionality. All classes and structures which inherit from interface must implement the functionality defined in an interface. We can not create an instance of interface. In the interface declaration variable, we can only store the …
WPF GridSplitter control gives user to resize the columns width and rows height. WPF Grid divides available space in rows and columns. When we define the RowDefinitions and ColumnDefinitions, we specify how much space a particular row or column should take. A user has no option to resize width and height …
MVVM Light toolkit is a lightweight toolkit for MVVM. Â This toolkit provides very basic classes for developing your application in MVVM architecture. You can download the latest MVVM Light Toolkit from here. MVVM Light Toolkit comes with 2Â main DLLs. GalaSoft.MvvmLight.dll GalaSoft.MvvmLight.Extras.dll Main classes in GalaSoft.MvvmLight.dll are: ObservableObject – Base class …
MVVM Light Messenger is a class that allows exchange messages between objects. Messenger class is mainly used for sending messages between viewmodels. Messenger class decreases coupling between viewmodels. Every viewmodel can communicate with another viewmodel without any association between them. Messenger is an implementation of Mediator pattern in MVVM Light toolkit. …
In my previous blog, I have showed you some main classes in MVVM Light Tookit. In this blog, I will show a simple MVVM Light Toolkit example. In this example, we will create a sample application for loading and saving the employees details using MVVM Light Toolkit. We will do below tasks one by …
Before we learn what is dispatcher and why we need it, we need to understand what is the apartments of the Thread. Thread Apartments All objects in the process are grouped into Apartments. There are two types of apartments in Threads: Single-Threaded Apartments Multi-Threaded Apartments Single-Threaded Apartment (STA) Single-threaded apartments …
Today writing large WPF application is very complex task. WPF application composed of many complex UI designs, larget set of business objects, data storage objects and presentation logic which makes the development of WPFÂ application quite cumbersome. Microsoft introduced a new pattern “MVVM” to make the development of WPF application easier. …
ListView control is a very popular control among WPF developers. Developers use ListView control for showing the data in tabular format. Sometimes, we need to hide WPF ListView columns, but wpf does not provide any default implementation for hide WPF ListView columns. I have developed a WPF Behavior to hide WPF ListView …
WPF ListView comes under 10 most important controls in WPF. ListView represents a control in WPF which display a collection of data items. ListView is capable of showing data items in different views. It comes with its default view GridView which show items in tabular format. WPF ListView contains almost same features …