程序运行后，将鼠标移到屏幕上文字显示处，按下ctrl键，程序会将鼠标处文本显示在文本框中。使用了动态链接nhw32.dll实现取词-After the program is running, the cursor on the screen display text, press the CTRL key, the program will move the mouse at the text displayed in a text box. The use of dynamic link nh