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Windows Workflow Foundation (WWF) - (BCA / B.Tech)

Windows Workflow Foundation (WWF) in .NET in Hindi | .NET में Windows Workflow Foundation (WWF) हिंदी में :

Windows Workflow Foundation is a powerful tool of the .NET platform that helps to easily implement business logic and processes.
Learning and using it makes your application more organized and efficient.

Windows Workflow Foundation (WWF or WF) is an important part of .NET, introduced by Microsoft.
It is a framework that helps you to create, host, and manage various types of workflows.
A workflow is a type of program that has many logical steps or processes that are completed one after the other.

Meaning of workflow A workflow is a process in which work is done in an organized way.

For example:

If an employee has to apply for leave, the application will go to the manager.
The manager will approve or reject the application.
After this, the employee will get a notification.
This whole process is called a workflow.

What is Windows Workflow Foundation?

WF is a programming model that is based on .NET.
It provides us with facilities to create and run workflows.
In this, you can easily implement deep logic and processes.
WF is used in large applications, such as Business Process Management (BPM), software automation, etc.

Main features of WF:

Designer Support: WF has a graphical designer (inside Visual Studio), with which you can create workflows in a visual way. It also has a drag-and-drop feature.

Hosting Options: You can host WF in any application such as a console application, Windows service, or web application.

Reusability: Parts of a workflow can be used again and again. For example, if you create a log-in process, it can also be used in other applications.

Declarative Model: In WF, you can declare workflows in XML (XAML) files. These files can be easily read and modified.

Flexibility: It is very easy to customize WF. You can create workflows according to your business logic.

Component of WF in .NET in Hindi | Main components of WF:

Activities: A workflow is divided into small parts, which are called activities.
Example: If, While, Switch, WriteLine, etc.
Workflows: This is a collection of activities. There are three main types of workflow structures:
Sequential Workflow: A step-by-step process.
State Machine Workflow: A state-based process.
Flowchart Workflow: Based on a flow diagram.
Runtime Engine: This is the part that executes the workflow.
Persistence: WF provides the facility to save the state of a workflow, so that you can resume it later.
Tracking: Useful for keeping an eye on and logging the activities of a workflow.

How to use WF?

Project setup: Create a new project in Visual Studio and choose the "Workflow Console Application" template.
Design the workflow: Add the activities of the workflow by dragging and dropping.
For example, use activities like WriteLine, If, Delay.
XAML file: The structure of the workflow is saved in XAML.
It can be added to the program.
Execute: Execute the workflow at runtime and see the output.

Advantages of WF in .NET in Hindi | Advantages of WF:

Automates the process.
Simplifies complex logic in large applications.
Reduces the need for coding with a graphical interface.
It is easy to keep track of steps.
Disadvantages of WF:
It can be complex for beginner users.
Performance can decrease if the workflow is very large.

Windows Workflow Foundation (WWF)

Windows Workflow Foundation (WWF) in .NET in Hindi | .NET में Windows Workflow Foundation (WWF) हिंदी में :

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