C # automatically hide a form that is dragged to the edge of the screen

Below Source code : (Note: Hide is the form name) CopyCode The Code is as follows: Private void hide_load (Object sender, eventargs E)
{
System. Windows. Forms. Timer stoprecttimer = new system. Windows. Forms. Timer ();
Stoprecttimer. Tick + = new eventhandler (timerstmtick );
Stoprecttimer. interval = 100;
Stoprecttimer. Enabled = true;
}
Private void timereffectick (Object sender, eventargs E)
{
If (this. bounds. Contains (cursor. Position ))
{
Switch (this. stopaanhor)
{
Case anchorstyles. Top:
This. Location = new point (this. Location. X, 0 );
Break;
Case anchorstyles. left:
This. Location = new point (0, this. Location. y );
Break;
Case anchorstyles. Right:
This. Location = new point (screen. primaryscreen. bounds. Width-This. Width, this. Location. y );
Break;
}
}
Else
{
Switch (this. stopaanhor)
{
Case anchorstyles. Top:
This. Location = new point (this. Location. X, (this. Height-2) * (-1 ));
Break;
Case anchorstyles. left:
This. Location = new point (-1) * (this. Width-2), this. Location. y );
Break;
Case anchorstyles. Right:
This. Location = new point (screen. primaryscreen. bounds. Width-2, this. Location. y );
Break;
}
}
}
Internal anchorstyles stopaanhor = anchorstyles. None;
Private void mstopanhor ()
{
If (this. Top <= 0)
{
Stopaanhor = anchorstyles. Top;
}
Else if (this. Left <= 0)
{
Stopaanhor = anchorstyles. Left;
}
Else if (this. Left> = screen. primaryscreen. bounds. Width-This. width)
{
Stopaanhor = anchorstyles. Right;
}
Else
{
Stopaanhor = anchorstyles. None;
}
}
Private void hide_locationchanged (Object sender, eventargs E)
{
This. mstopanhor ();
}