internal static void SetImageCustomProperty(Image image, CustomPropertyTag customPropertyTag, string text)
{
PropertyItem propertyItem = (PropertyItem)typeof(PropertyItem).GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic)[0].Invoke(null);
propertyItem.Id = (int)customPropertyTag;
propertyItem.Type = 1;
propertyItem.Value = Encoding.Unicode.GetBytes(text);
propertyItem.Len = propertyItem.Value.Length;
image.SetPropertyItem(propertyItem);
}
public static void SetImageCustomProperty(Image image, CustomPropertyTag customPropertyTag, string text)
{
Type typeFromHandle = typeof(PropertyItem);
ConstructorInfo constructorInfo = typeFromHandle.GetConstructors(BindingFlags.Instance | BindingFlags.NonPublic)[0];
PropertyItem propertyItem = (PropertyItem)constructorInfo.Invoke(null);
propertyItem.Id = (int)customPropertyTag;
propertyItem.Type = 1;
propertyItem.Value = Encoding.Unicode.GetBytes(text);
propertyItem.Len = propertyItem.Value.Length;
image.SetPropertyItem(propertyItem);
}
internal static string GetImageCustomProperty(Image image, CustomPropertyTag customPropertyTag)
{
try
{
PropertyItem[] propertyItems = image.PropertyItems;
foreach (PropertyItem propertyItem in propertyItems)
{
if (propertyItem.Id == (int)customPropertyTag && propertyItem.Value != null)
{
return(Encoding.Unicode.GetString(propertyItem.Value));
}
}
}
catch
{
return(string.Empty);
}
return(string.Empty);
}
