Introduction - If you have any usage issues, please Google them yourself
VB, drawing arbitrary function through script calculator to calculate the results, click on the form to be completed by the corresponding control buttons corresponding function. In Form1.frm in: QBColor: used to represent the color value of RGB color code corresponding to the parameters: 1 ~ 15, Scale to define Form, PictureBox, or Printer coordinate system parameters: upper left- right.