C# 0 The Complete Reference

MyButtonClick( ) 

is compatible with the 

EventHandler

 delegate shown earlier, which 

means it can be added to the 

Click

 event chain. Notice it is private to 

ButtonForm

. This is 

not technically necessary, but it is a good idea because event handlers are not intended to be 

called except in response to events.

Inside the handler, the location of the top of the button is determined from the 

Top

property. All controls define the following properties, which specify the coordinates of the 

upper-left and lower-right corners:

public int Top { get; set; }

public int Bottom { get; }

public int Left { get; set; }

public int Right { get; }

Notice that the location of the control can be changed by setting