How to use C# controls

1. 按钮的按下、弹起状态效果:

http://www.qimao.cn/article.asp?id=180

CheckBox、RadioButton，并将其Appearance属性设为Button(而不是Normal)

2. ToolTip Use in Windows Forms .NET

http://www.dotnetperls.com/tooltip

控件属性里面添加或this.toolTip1.SetToolTip(this.checkBox1, "effects on");

Good Resource:

http://www.dotnetperls.com/windows