v1.7.0

1. add the auto login function.
2. form_ 1 and canvas add drawing text and picture functions, which can be dragged and modified. Easy to make transparent fonts or multi picture decals.
3. add Icon options for treeview, notebook, menu, etc.
4. add shortcut keys to the menu.
5. form_ 1. Onexit function is added. It can be used if it is necessary to add logic when exiting the program.
6. expand the fun library, add the destroyui function destruction interface, and add functions for treeview, listbox, and text to add items.
7. modify and reset the background color.
8. integrate the message auto multiline function for label, and set it through the "auto line feed" attribute.
9. add two chart components.
10. other bug feedback items.

Author: honghaier-game