void SendMouseWheelEvent(
	int x,
	int y,
	int deltaX,
	int deltaY,
	CefEventFlags modifiers
)

void SendMouseWheelEvent(
	int x, 
	int y, 
	int deltaX, 
	int deltaY, 
	CefEventFlags modifiers
)

Parameters

x

Type: SystemInt32
X-Axis coordinate relative to the upper-left corner of the view.

y

Type: SystemInt32
Y-Axis coordinate relative to the upper-left corner of the view.

deltaX

Type: SystemInt32
Movement delta for X direction.

deltaY

Type: SystemInt32
movement delta for Y direction.

modifiers

Type: CefSharpCefEventFlags
click modifiers e.g. Ctrl

Reference