title: writing one method only for all button's MouseEnter event
body: <p>I want to show Image on MouseEnter event of button control(I have 6 buttons) ,I can use below code for each button </p>
  
  <pre><code>void button1_MouseEnter(object sender, EventArgs e)
            {
                 this.button1.BackgroundImage = ((System.Drawing.Image)(Properties.Resources.img2));
            }
  </code></pre>
  
  <p>but I Don't want to write it for each buttons enter event ,and hence trying to make it only on method so can use for each button something like this ,but how do I will select different image for different button via this method than ?</p>
  
  <pre><code>void button_MouseLeave(object sender, EventArgs e)
          {
              var btn = (Button)sender;
              this.btn.BackgroundImage = ((System.Drawing.Image)(Properties.Resources.particular image for particular button));
          } 
  </code></pre>