RenderOptions.SetCacheInvalidationThresholdMinimum Method (DependencyObject, Double)


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Sets the value of the CacheInvalidationThresholdMinimum attached property on a specified dependency object.

Namespace:   System.Windows.Media
Assembly:  PresentationCore (in PresentationCore.dll)

Public Shared Sub SetCacheInvalidationThresholdMinimum (
	target As DependencyObject,
	cacheInvalidationThresholdMinimum As Double


Type: System.Windows.DependencyObject

The dependency object on which to set the value of the CacheInvalidationThresholdMinimum property

Type: System.Double

The new value to set the property to.

Exception Condition

The specified target is null.

Use this method to set the CacheInvalidationThresholdMinimum attached property in code.

The following example shows how to use the caching hint option for a DrawingBrush.

         Dim drawingBrush As New DrawingBrush()

         ' Set the caching hint option for the brush.
         RenderOptions.SetCachingHint(drawingBrush, CachingHint.Cache)

         ' Set the minimum and maximum relative sizes for regenerating the tiled brush.
         ' The tiled brush will be regenerated and re-cached when its size is
         ' 0.5x or 2x of the current cached size.
RenderOptions.SetCacheInvalidationThresholdMinimum(drawingBrush, 0.5)
RenderOptions.SetCacheInvalidationThresholdMaximum(drawingBrush, 2.0)

.NET Framework
Available since 3.0
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