What is the difference between a component and a control?

A component is a class that implements the IComponent interface or that derives directly or indirectly from a class that implements IComponent. A component does not draw itself on the form, but a control draws itself on the form or on another control.

What is the difference between form and user control?

User controls are a way of making a custom, reusable component. A user control can contain other controls but must be hosted by a form. Windows forms are the container for controls, including user controls. While it contains many similar attributes as a user control, it’s primary purpose is to host controls.

What are the components in C#?

A component is a class with cleanup and containment. A component can be hosted in a container, and has the ability to query and get services from its container. Containment is logical and does not have to be visual. These components can be deployed in middle tier container as business components.

What is a component in Winforms?

A Component is just a representation of an object/sub API. eg. ImageList is a component which is invisible and is just an API into a set of images. The fact you can drag and drop them onto forms is just sugar in the designer.

What is user control form?

A UserControl is a collection of controls placed together to be used in a certain way. For example you can place a GroupBox that contains Textbox’s, Checkboxes, etc. This is useful when you have to place the same group of controls on/in multiple forms or tabs.

What is .NET component?

The components of . NET are CLR, Garbage Collector, JIT Compiler and base class library.

What is component oriented in C#?

C# supports component-oriented programming through the concepts of properties, methods, events, and attributes (or metadata), allowing self-contained and self-describing components of functionality called assemblies.

What is C# component?

Component is a class with cleanup and containment. A component can be hosted in a container, and has the ability to query and get services from its container. Containment is logical and does not have to be visual. These components can be deployed in middle tier container as business components.

Why would you use custom controls?

Controls are useful when you’re developing complex applications because you can avoid code duplication. Because custom controls are objects, you can use the typical features offered by OOP. You can start from scratch with your own control, or use an existing control and enrich it.

Is C# a low level language?

Yes C# is considered a high level language.

Can you name the difference between object-oriented and component based design?

In a nutshell, object-oriented programming focuses on the relationships between classes that are combined into one large binary executable, while component-oriented programming focuses on interchangeable code modules that work independently and don’t require you to be familiar with their inner workings to use them.