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Returns a Android.Graphics.Bitmap representation of the content of the associated surface texture. If the surface texture is not available, this method returns null.
The bitmap returned by this method uses the NoType:android/graphics/Bitmap$Config;Href=../../../reference/android/graphics/Bitmap.Config.html#ARGB_8888 pixel format and its dimensions are the same as this view's.
Do not invoke this method from a drawing method (TextureView.OnDraw(Android.Graphics.Canvas) for instance).
If an error occurs during the copy, an empty bitmap will be returned.