public void ChangeBackground(System.Drawing.Image img)
{
Application.Current.MainWindow.Width = img.Width;
Application.Current.MainWindow.Height = img.Height;
StreamImage.Width = img.Width;
StreamImage.Height = img.Height;
using (MemoryStream ms = new MemoryStream())
{
img.Save(ms, ImageFormat.Jpeg);
ms.Position = 0;
BitmapImage bmp = new BitmapImage();
try
{
bmp.BeginInit();
bmp.StreamSource = ms;
bmp.EndInit();
bmp.Freeze();
/*StreamImage.Source = bmp as ImageSource;
* if (!StreamImage.Source.IsFrozen && StreamImage.Source.CanFreeze)
* StreamImage.Source.Freeze();
*/
StreamImage.BeginInit();
StreamImage.Source = bmp as ImageSource;
StreamImage.EndInit();
//MessageBox.Show("a");
}
catch (Exception e) { }
}
}
protected override DataTemplate SelectTemplateCore(object image)
{
if (image == null)
{
return(Default);
}
return(image switch
{
FileImage _ => File,
StreamImage _ => Stream,
TextImage _ => Text,
ImageBase _ => Default,
_ => throw new ArgumentException($"{nameof(image)} must inherit from {nameof(ImageBase)}."),
});
