没有人知道这一例子中的文字名称——:http://www.ikea.com/gb/en/catalog/categories/departments/bedroom/16285/。 货物滚动时——用额外信息显示pop。
I have a Winforms app containing a RichTextBox. How can I determine how many lines of text are displayed, currently visible? Reason: I want to scroll the caret to the middle of the RichTextBox. ...