c# 实现窗体拖到屏幕边缘自动隐藏

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以下给出源代码： (注：hide为窗体名称)
代码如下：

private void hide_Load(object sender, EventArgs e)
{
System.Windows.Forms.Timer StopRectTimer = new System.Windows.Forms.Timer();
StopRectTimer.Tick += new EventHandler(timer1_Tick);
StopRectTimer.Interval = 100;
StopRectTimer.Enabled = true;
}
private void timer1_Tick(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();
}