Made an element capture applet , After identifying the elements, you need to draw a box on the direct screen to mark the elements , Need to be similar to win32api Drawing function of , Is there a similar library , Use it directly win32 When drawing, the screen will flash when it is refreshed , I also thought about directly covering with transparent windows , But this affects recognition , Do you have any ideas , Thank you
It means to make a completely transparent mask , Then put the full screen on the top of all applications ？
Is this one-time or always dynamic ？ Always dynamic , It's not easy
