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FrameworkElement.InvalidateViewport Method


Invalidates the viewport state for a UIElement that is used to calculate the effective viewport.

 virtual void InvalidateViewport() = InvalidateViewport;
void InvalidateViewport();
protected void InvalidateViewport();
function invalidateViewport()
Protected Sub InvalidateViewport ()

Windows requirements

Device family
Windows 10, version 1809 (introduced in 10.0.17763.0)
API contract
Windows.Foundation.UniversalApiContract (introduced in v7.0)


The UIElement must have previously been registered with the framework using the RegisterAsScrollPort method.

Applies to

See also