long o smartboard exchange.The old teaching mode is superior, we should promote the use.3. Set the page background color.In the three modes, select the new page, an empty page will be created. By default, this newly created page is pure white. We want to change a color as the background, then we should selectDrawing " in the main menu , then select " Background Color " , then the program pops up the background color selection box, click to select the desired page color.4. Export the page to the picturewill Some or all of the pages are exported as images, and support *.bmp, *.jpg, *.png three formats. Click " File " on the main menu , select " Export as Picture " . The program pops up " Export as Picture " window to select Export range. After selecting the range, the program pops up the second form of ?? Export as Picture ?? . Enter the file name, select the save type, and click ?? Save ?? .Export the page to the page and export the page to the picture, click on the main menu. the " file " and then "