嵌入RichEdit拼写检查原代码，现在能够检查英文-embedded RichEdit spell-check the original code can now check English

在RichText中检测数据输入状态，并可以自行处理-Every RichTextCtrl has its own insert state that is independent of the global insert state as well as the insert state of all other RichTextCtrls. That would be fine if you had some way to read and change the state. But you

reportctrl使用例程，样式，复选，风格-reportctrl using routines, styles, check, style