What is the meaning of the following statement?

Question

Here Product_listViewFF is the ListView control. statement: this.Product_listViewFF.Click += new System.EventHandler(this.Product_listViewFF_Click);

Uma Shankar Patel · Answer

this.Product_listViewFF.Click is an event that will be fired when listview control is clicked. new System.EventHandler(this.Product_listViewFF_Click); register an event as Product_listViewFF_Click to ListView control. Product_listViewFF_Click is a method whose definition you should provide in your code.