Almost all chart elements can display shadows in several modes - Solid, Linear Radial and Gaussian.
In this example the bars, the chart wall and legend use Gaussian soft shadows. Use the parameters to change the shadow modes and offset.



 Example Controls

Legend Shadow Style:
Legend Shadow Offset X:
Legend Shadow Offset Y:
Bar Shadow Style:
Bar Shadow Offset X:
Wall Shadow Style:
Wall Shadow Offset X:
Wall Shadow Offset Y: