External luminous effect in WPF. Net 4.0

The original Article is from the icyfox_bupt blog. For more information, see "region ". <Button. bitmapeffect> This tag HoweverCodeIt cannot be used after being copied. After searching for information, the tag is found in. net 3.5 is out of date, but no error will be reported after writing, no wonder I use it. net 4.0 does not respond. So what should I do with out-of-band light in. Net 3.5 or above? After searching for foreign websites, I found a way to share with you.
. Net 4.0 Only the effect label can be used. Replace Dropshadoweffect Of shadowdepth
changed to 0
Example:
XAML code:

There is no code in the. CS file. I hope it will help you.