public delegate void DecimationPercentageCB(
	float percentage,
	SoWinViewer viewer
)

Public Delegate Sub DecimationPercentageCB ( 
	percentage As Single,
	viewer As SoWinViewer
)

public delegate void DecimationPercentageCB(
	float percentage, 
	SoWinViewer^ viewer
)

type DecimationPercentageCB = 
    delegate of 
        percentage : float32 * 
        viewer : SoWinViewer -> unit