#include<cmath>
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Graphics^ timeGraphics = this -> CreateGraphics(); Drawing::Brush^ brush = gcnew Drawing::SolidBrush(Color::Red); Drawing::Pen^ pen = gcnew Drawing::Pen(Color::Red, 1); Drawing::Pen^ hourPen = gcnew Drawing::Pen(Color::Blue,1); timeGraphics -> DrawArc (pen, 0,0, 100, 100, 0, 360); timeGraphics -> DrawLine (hourPen, 50,50,90,15);