我会做类似的事情：
[XmlIgnore]
public Bitmap LargeIcon { get; set; }
[Browsable(false),EditorBrowsable(EditorBrowsableState.Never)]
[XmlElement("LargeIcon")]
public byte[] LargeIconSerialized
{
get { // serialize
if (LargeIcon == null) return null;
using (MemoryStream ms = new MemoryStream()) {
LargeIcon.Save(ms, ImageFormat.Bmp);
return ms.ToArray();
}
}
set { // deserialize
if (value == null) {
LargeIcon = null;
} else {
using (MemoryStream ms = new MemoryStream(value)) {
LargeIcon = new Bitmap(ms);
}
}
}
}
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