<igx-dialog #PasswordChangeDialog>
    <div class="card" style="width:450px;">
      <div class="igx-grid-toolbar--compact">
        <span class="igx-grid-toolbar__title">Change Password</span>
        <div class="igx-grid-toolbar__custom-content">
          <button type="submit" accesskey="s" igxButton="outlined" displayDensity="compact" (click)="ChangPassword()" [disabled]="false">
            <div class="igx-grid-toolbar__button-space">
              <i class="far fa-save"></i>
              <span> Save</span>
            </div>
          </button>
        </div>
      </div>

</div>

</igx-dialog>

I want to prevent closing of dialog box when user clicks on escape button . This screen is mandatory and we don't want to close it without saving it. Now user can close this dialog on pressing escape button . Please anyone let us know how to do this.