IGH_AttributesInvalidateCanvas Method |
If the mouse location should cause a canvas invalidation then return true.
You only need to override this function if you draw objects that are dependant
on cursor positions outside the bounds of the attributes.
Namespace:
Grasshopper.Kernel
Assembly:
Grasshopper (in Grasshopper.dll)
Syntax bool InvalidateCanvas(
GH_Canvas canvas,
GH_CanvasMouseEvent e
)
Function InvalidateCanvas (
canvas As GH_Canvas,
e As GH_CanvasMouseEvent
) As Boolean
Parameters
- canvas
- Type: Grasshopper.GUI.CanvasGH_Canvas
Canvas to potentially invalidate. - e
- Type: Grasshopper.GUIGH_CanvasMouseEvent
Event arguments for canvas mousemove.
Return Value
Type:
BooleanTrue if the canvas ought to be invalidated.
See Also