Changing starting angle and direction of a custom doughnut chart
问题 I'm trying to create a doughnut chart in WPF and using this helpful previous answer. However, currently the StartAngle starts from the 3 o'clock position e.g. How can I change this code so that the StartAngle starts from the 12 o'clock position and the angle measures clockwise e.g. 1] StartAngle = 0, EndAngle = 90 => covers top right corner. 2] StartAngle = 0, EndAngle = 180 => covers right half. 3] StartAngle = 0, EndAngle = 270 => covers three quarters of the chart. I've tried changing the