摘要： 此处以继承RichTextBox为例。简单来说就是截获windows的WM_MOUSEWHEEL消息，并将消息内容发送给父控件。1.自定义控件，继承RichTextBox。2.重写WndProc函数。[DllImport("User32.dll", CharSet = CharSet.Auto, EntryPoint = "SendMessage")]static extern IntPtr SendMessage(IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);protected overrid 阅读全文