private bool ExistAnyDateTimeExifTag(ref Jpeg VtJpeg)
{
bool ExifDateTime = VtJpeg.ExistPropertyItem(PropertyTagId.DateTime);
bool ExifDateTimeDigitized = VtJpeg.ExistPropertyItem(PropertyTagId.DateTimeDigitized);
bool ExifDateTimeOriginal = VtJpeg.ExistPropertyItem(PropertyTagId.DateTimeOriginal);
return(ExifDateTime | ExifDateTimeDigitized | ExifDateTimeOriginal);
}
private string GetExifString(ref Jpeg VtJpeg, string Key)
{
PropertyTagId PTagId = GetPIdFromStr(Key);
if (VtJpeg.ExistPropertyItem(PTagId))
{
return(VtJpeg.GetPropertyItemAsString(PTagId));
}
else
{
return("");
}
}
private DateTime GetPreferedDateTime(ref Jpeg VtJpeg, ArrayList PreferExifDate)
{
DateTime Result = DateTime.MinValue;
//foreach (string Item in LBExifDates.Items)
//{
// PropertyTagId PTagId = GetPIdFromStr(Item);
// if (VtJpeg.ExistPropertyItem(PTagId))
// return VtJpeg.GetPropertyItemAsDateTime(PTagId);
//}
foreach (string Item in PreferExifDate)
{
PropertyTagId PTagId = GetPIdFromStr(Item);
if (VtJpeg.ExistPropertyItem(PTagId))
{
return(VtJpeg.GetPropertyItemAsDateTime(PTagId));
}
}
return(Result);
}