DownloadProgress Property (ImageBrush)
Gets a value that indicates the relative progress of downloaded content. This property is only relevant if SetSource is used to set the image source.
Cannot be used in XAML.
value = object.DownloadProgress
A value between 0 and 1 inclusive that represents the amount of total content downloaded. Multiply by 100 to obtain a percentage.
This property is read-only. The default value is 0.
The DownloadProgressChanged event occurs when the DownloadProgress property value is increased by an amount of 0.05 or greater, or reaches 1.0.