Introduction - If you have any usage issues, please Google them yourself
The system is based on the vs2015 environment, according to the general function of the preparation of the work is to set a big framework, and then write in accordance with each small independent debugging. That is, each message response function is written step by step. This topic is for general understanding by many controls a single document interface, can set the drawing, read a series of pictures, a preservation function toolbox, graphic region copy, text input and eraser. By moving the mouse up and news press the left mouse button corresponding to imitate windows built-in drawing function of the user experience, and with the menu function selection, through the menu bar to read can be stored in the file, so as to achieve the basic functions.