MarkComponentDirty<T>()

Marks the attached component of type T as changed, so that its [OnComponentChanged] handler runs once during the next update.

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Definition


public void MarkComponentDirty<T>() where T : struct, IVisualElementComponent

Call this method after you change component data directly, for example by writing through

ref GetComponent<T>()

. Unity doesn't detect direct writes, so without this call the handler doesn't run. You don't need to call this method when you use the generated

SetXxx

setters or a data binding; both call it for you. If no component of type

is attached to this element, this method does nothing.