ViewportEvents constructor

const ViewportEvents({ ValueChanged<GraphViewport>? onMove, ValueChanged<GraphViewport>? onMoveStart, ValueChanged<GraphViewport>? onMoveEnd, ValueChanged<Offset>? onCanvasTap, ValueChanged<Offset>? onCanvasDoubleTap, ValueChanged<Offset>? onCanvasContextMenu, })

Implementation

const ViewportEvents({
  this.onMove,
  this.onMoveStart,
  this.onMoveEnd,
  this.onCanvasTap,
  this.onCanvasDoubleTap,
  this.onCanvasContextMenu,
});