Step 1: Click New Project, then select Visual C# on the left, then Windows and then select Windows Forms Application. Name your project "NotificationPopup" and then click OK
Step 2: Right click on your project select Manage NuGet Packages -> Search Tulpep.NotificationWindow -> Install
Step 3: Design your form as below

Step 4: Add code to handle your button click event as below
private void button1_Click(object sender, EventArgs e)
{
PopupNotifier popup = new PopupNotifier();
popup.Image = Properties.Resources.info;
popup.TitleText = "FoxLearn";
popup.ContentText = "Thank you for watching this video !";
popup.Popup();//Show
}
VIDEO TUTORIALS