Gets or sets a value that indicates the opacity to use when painting the Leadtools.RasterImage.
A value between 0 and 255 representing the opacity level to use when painting the Leadtools.RasterImage. Default value is 255.
An Opacity value of 0 indicates that the image is completely transparent, while a value of 255 indicates that the image is completely opaque. A value of 128 indicates the image is 50 percent opaque, a value of 170 indicates the image is 72.5 percent opaque, and so on.
This property is only valid when the RasterPaintEngine.GdiPlus engine is used and has no effect on the other engines.
Refer to RasterPaintProperties.