Introduction - If you have any usage issues, please Google them yourself
Rectangle ()// set the drawing area SetTextColor ()// set the text display color TextOut ()// coordinates in the current (cursor) output text MoveTo (x, y)// Move the cursor to (x, y) position LineTo ( x, y)// draw a line from the current cursor to the (x, y), and light move (x, y) SelectObject ()// Select the Brush object PtVisible (x, y)// determine the (x, y) whether the Rectangle () to set the area CPen pen (PS_SOLID, 1, RGB (0,255,0 )) // custom brush color