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About React MDL?

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What is React MDL?

React-MDL is the React implementation of the already popular Material Design Light framework by google.

MDL is a light weight material design CSS framework which aims on bringing concepts of material design while keeping the UI lightweight.

The current implementation of React-MDL (v1.x) uses the entire MDL library provided by Google. This includes both the MDL css and the MDL javascript. 

Node Commends:

npm install --save react-mdl

Simple Code for Button

npm install --save react{/* Colored FAB button */}
<FABButton colored>
    <Icon name="add" />
</FABButton>

{/* Colored FAB button with ripple */}
<FABButton colored ripple>
    <Icon name="add" />
</FABButton>-mdl

Video for React MDL

posted Jan 4 by Manish Tiwari

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Here is a list of the available components:

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Example Code for Creating a Button

<div className="button-basics-example">
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What is React Bootstrap?

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We have learned class in the previous section. Class is a reference type. C# includes a value type entity, which is called Structure. A structure is a value type that can contain constructors, constants, fields, methods, properties, indexers, operators, events and nested types. A structure can be defined using the struct keyword.

Example: Structure

public struct Discounts
{
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    public int HomeDecor { get; set; }
    public int Grocery { get; set; }
}

A struct can be initialized with or without the new keyword same as primitive variable or an object. You can then assign values to the members of the structure as shown below.

Example: Initialize a structure

            
Discounts saleDiscounts;

saleDiscounts.Cloths = 10;
saleDiscounts.HomeDecor = 5;
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Example: structure

struct Point
{
    private int _x, _y;

    public int x, y;

    public static int X, Y;

    public int XPoint {
        get 
        {
              return _x;
        }

        set 
        {
            _x = value;
            PointChanged(_x);
        }
    }

    public int YPoint
    {
        get
        {
            return _y;
        }
        set
        {
            _y = value;
            PointChanged(_y);
        }
    }

    public event Action<int> PointChanged;

    public void PrintPoints()
    {
        Console.WriteLine(" x: {0}, y: {1}", _x, _y);
    }

    public static void StaticMethod()
    {
        Console.WriteLine("Inside Static method");
    }
}

The above structure consists of different types of properties and events for the demo purpose. It includes private fields _x, _y, public fields x and y, static fields X and Y, public properties XPoint and YPoint, and PointChanged event. It also includes static and non-static methods. Notice that we raise the PointChanged event whenever XPoint or YPoint changes.

In the following code, we initialize the above Point struct with the new keyword as we initialize the class and also handle the PointChanged event:

Example: structure

class Program
{
    static void StructEventHandler(int point)
    {
        Console.WriteLine("Point changed to {0}", point);
    }

    static void Main(string[] args)
    {
        Point.StaticMethod();

        Point p = new Point();
        
        p.PointChanged += StructEventHandler;
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        p.PrintPoints();
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Output:

Inside Static Method 
Point changed to 123 
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Please note that if you want to use properties, methods or events, you MUST initialize the struct with the new keyword. The following will give a compile time error:

Example: structure

Point pto;

pto.XPoint = 100; // compile time error

Characteristics of Structure:

  • Structure can include constructors, constants, fields, methods, properties, indexers, operators, events & nested types.
  • Structure cannot include default constructor or destructor.
  • Structure can implement interfaces.
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  • Structure members cannot be specified as abstract, virtual, or protected.
  • Structures must be initialized with new keyword in order to use it's properties, methods or events.

Difference between struct and class:

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  • Struct can be instasntiated without the new keyword. However, you won't be able to use any of its methods, events or properties if you do so.
  • Struct cannot be used as a base or cannot derive another struct or class.

Points to Remember :

  1. Structure is a value type and defined using struct keyword.
  2. Structure can be initialized with or without new keyword.
  3. Structure must be initialized with new keyword to use its' properties, methods and events.
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