bitmapimage - WPF C# image brightness -


i loaded image bitmapimage.

xaml

<image margin="12,12,16,71" name="imgphoto">

code behind

openfiledialog op = new openfiledialog(); op.title = "select picture"; op.filter = "all supported graphics|*.jpg;*.jpeg;*.png|" +                 "jpeg (*.jpg;*.jpeg)|*.jpg;*.jpeg|" +                 "portable network graphic (*.png)|*.png";  if (op.showdialog() == true) {     imgphoto.source = new bitmapimage(new uri(op.filename)); }

how can change brightness of image?


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