/// <summary>
/// Returns whether or not an enumeration instance a valid value.
/// This method is designed to be used with ValidateValueCallback, and thus
/// matches it's prototype.
/// </summary>
/// <param name="valueObject">
/// Enumeration value to validate.
/// </param>
/// <returns> 'true' if the enumeration contains a valid value, 'false' otherwise. </returns>
public static bool IsCachingHintValid(object valueObject)
{
CachingHint value = (CachingHint)valueObject;
return((value == CachingHint.Unspecified) ||
(value == CachingHint.Cache));
}
/// <summary>
/// Writes the attached property CachingHint to the given object.
/// </summary>
public static void SetCachingHint(DependencyObject target, CachingHint cachingHint)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
target.SetValue(CachingHintProperty, cachingHint);
}
public void Stub04()
{
DrawingBrush drawingBrush = new DrawingBrush();
RenderOptions.SetCacheInvalidationThresholdMinimum(drawingBrush, 0.5);
RenderOptions.SetCacheInvalidationThresholdMaximum(drawingBrush, 2.0);
RenderOptions.SetCachingHint(drawingBrush, CachingHint.Cache);
// <SnippetRenderOptionsSnippet4>
// Get the caching hint option for the brush.
CachingHint cachingHint = RenderOptions.GetCachingHint(drawingBrush);
if (cachingHint == CachingHint.Cache)
{
// Get the minimum and maximum relative sizes for regenerating the tiled brush.
double minimum = RenderOptions.GetCacheInvalidationThresholdMinimum(drawingBrush);
double maximum = RenderOptions.GetCacheInvalidationThresholdMaximum(drawingBrush);
// Perform action based on cache values...
}
// </SnippetRenderOptionsSnippet4>
}
public static void SetCachingHint(System.Windows.DependencyObject target, CachingHint cachingHint)
{
}
/// <summary>
/// Writes the attached property CachingHint to the given object.
/// </summary>
public static void SetCachingHint(DependencyObject target, CachingHint cachingHint)
{
if (target == null) { throw new ArgumentNullException("target"); }
target.SetValue(CachingHintProperty, cachingHint);
}
public static void SetCachingHint(System.Windows.DependencyObject target, CachingHint cachingHint)
{
}
