Interface

TimelineKeyframeTangentDragHandleStartInput

Pointer data needed to begin a Bezier tangent handle drag from hit-test geometry.

Signature

Interface TimelineKeyframeTangentDragHandleStartInput

Name	Signature	Description
`tangentHandle`	`tangentHandle: TimelineKeyframeTangentHandle`	Tangent entry from the initiating hit test.
`viewportX?`	`viewportX?: number`	Initial pointer position, used to preserve the padded grab offset.
`viewportY?`	`viewportY?: number`	Initial pointer position, used to preserve the padded grab offset.