private void button15_Click(object sender, System.EventArgs e)
{
C1.C1Pdf.C1PdfDocument pdf = new C1.C1Pdf.C1PdfDocument();
// create an array with some brushes
Brush[] brushes = new Brush[]
{
Brushes.Red, Brushes.Green, Brushes.Blue,
Brushes.Yellow, Brushes.Crimson, Brushes.Aquamarine
};
// setup rectangle and initialize angles
RectangleF rc = new RectangleF(100, 100, 180, 150);
float startAngle = 0;
float sweepAngle = -90; // << counter-clockwise
// draw pie
foreach (Brush brush in brushes)
{
pdf.FillPie(brush, rc, startAngle, sweepAngle);
pdf.DrawPie(Pens.Black, rc, startAngle, sweepAngle);
startAngle += sweepAngle;
sweepAngle /= 2;
}
// save the document to a file
string fileName = tempdir + "drawpie.pdf";
pdf.Save(fileName);
System.Diagnostics.Process.Start(fileName);
}
