C#中畫三角形和填充三角形的簡單實現


C#中畫三角形和填充三角形的簡單實現:

private void Form1_Paint(object sender, PaintEventArgs e)        
{            
    Graphics g = e.Graphics;                   
    //繪制三角形            
    DrawTriangle_1(g);            
       //填充三角形            
     FillTriangle_1(g);               
}

// 繪制三角形      
private void DrawTriangle_1(Graphics g)        
{            
    Point point1 = new Point(50, 20);            
    Point point2 = new Point(75, 50);            
    Point point3 = new Point(100, 20);            
    Point[] pntArr = { point1, point2, point3 };            
    g.DrawPolygon(new Pen(Color.Red), pntArr);        
}

// 填充三角形       
private void FillTriangle_1(Graphics g)        
{            
    Point point1 = new Point(50, 20);            
    Point point2 = new Point(75, 50);            
    Point point3 = new Point(100, 20);            
    Point[] pntArr = { point1, point2, point3 };            
    g.FillPolygon(Brushes.Red, pntArr);        
}


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