double不需要像这样的显式强制转换:
double trans = (double) trackBar1.Value / 5000.0;
将常量标识为
5000.0(或
5000d)就足够了:
double trans = trackBar1.Value / 5000.0;double trans = trackBar1.Value / 5000d;

double不需要像这样的显式强制转换:
double trans = (double) trackBar1.Value / 5000.0;
将常量标识为
5000.0(或
5000d)就足够了:
double trans = trackBar1.Value / 5000.0;double trans = trackBar1.Value / 5000d;