the RichTextBox test ,include send picture and show the text which can change the color of them. and save the content of richtextbox in the DB

虚拟列表 演示了图片按钮 按钮 区域 文本 等。在去掉了多余的不相干的类之后一目了然，便于参考学习希望对你有帮助。-Virtual list demonstrates the picture button button text area and so on. After remove the redundant irrelevant classes be clear at a glance, easy reference for learning hope for your help.