The bug is only visible if the chart is created dynamically since it only shows in the very first display. After that the chart bitmap is already in the correct bitmap format and the clipping area is not deleted. Try this: Add a button to a empty form and enter this code on button click: procedure T...

Problem: When you set the minimum value of a x axis and have a areaseries with transparency the area is drawn over the y axis. Cause: The TeeBlendBitmaps function used for the transparency sets the pixelformat of the bitmap of the canvas of the chart. Changing the pixelformat deletes the current cli...