Angular 4 Open Dialog Box On Click - Modal Window/Dialog Box

In this article, I will cover how to implement Modal Window/Dialog Box in Angular 4 using the “angular/material” and TypeScript.

What Is Angular dialog? A dialog is opened after clicked on open method with the component class. We are using the MatDialogRef provides is used to handle the opened dialog box and also for close the dialog box.

Syntax -
let dialogRef =, {
    height: '300px',
    width: '400px',

The example in detail as given below-
import {Component, Inject} from '@angular/core';
import {MatDialog, MAT_DIALOG_DATA} from '@angular/material';

  selector: 'mydialog',
  templateUrl: 'mydialog.html'
export class DialogExample {
  constructor(public dialog: MatDialog) {}

  openUserDialog() {, {

@Component({.... })
export class UserDialog {
  constructor(@Inject(MAT_DIALOG_DATA) public data: any) {

<button md-button (click)="openUserDialog()">Open dialog</button>

Result looks like -

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