Introduction - If you have any usage issues, please Google them yourself
Content 1: a sine curve and a cosine curve are displayed with 2 different line widths in a waveform control. Content 2: 3 curves are displayed in a wavy chart control. They represent 3 random numbers of 0~1, 0~5 and 0~10 in 3 colors, red, green and blue, respectively. Content three: produce a two-dimensional array of 10 lines and 10 columns, and the array members are arbitrary integer numbers between 0~100, and are displayed by the intensity map.