不多说了，直接插代码：） 不用Api
public Form1()
{
InitializeComponent();
Application.Idle
+= new EventHandler(Application_Idle);
}
private void Application_Idle(object sender, EventArgs e)
{
if (Control.IsKeyLocked(Keys.NumLock))
labelNumLock.Text = "ON";
else
labelNumLock.Text = "OFF";if (Control.IsKeyLocked(Keys.CapsLock))
labelCapsLock.Text = "ON";
else
labelCapsLock.Text = "OFF";if (Control.IsKeyLocked(Keys.Scroll))
labelScrollLock.Text = "ON";
else
labelScrollLock.Text = "OFF";if (Control.IsKeyLocked(Keys.Insert))
labelInsert.Text = "ON";
else
labelInsert.Text = "OFF";
}
郁闷，我的博客出了BUG。
