| public GetBytes ( int i, long fieldOffset, byte buffer, int bufferOffset, int length ) : long | ||
| i | int | |
| fieldOffset | long | |
| buffer | byte | |
| bufferOffset | int | |
| length | int | |
| 리턴 | long | |
protected internal static Bitmap RetrieveImage(int imgid)
{
using (SQLiteCommand command = new SQLiteCommand("select image from images where imgid=@imgid", FetchDbConn()))
{
command.Parameters.Add(new SQLiteParameter("@imgid", imgid));
using (SQLiteMonDataReader reader = new SQLiteMonDataReader(command.ExecuteReader()))
{
if (!reader.Read())
{
return null;
}
// Get the size of the image data by passing nothing to getbytes
int dataLength = (int)reader.GetBytes(reader.GetOrdinal("image"), 0, null, 0, 0);
byte[] content = new byte[dataLength];
reader.GetBytes(reader.GetOrdinal("image"), 0, content, 0, dataLength);
using (MemoryStream contentStream = new MemoryStream(content))
{
using (Bitmap streamBitmap = new Bitmap(contentStream))
{
return new Bitmap(streamBitmap);
}
}
}
}
}
protected internal static Bitmap RetrieveImage(int imgid)
{
using (SQLiteCommand command = new SQLiteCommand("select image from images where imgid=@imgid", FetchDbConn()))
{
command.Parameters.Add(new SQLiteParameter("@imgid", imgid));
using (SQLiteMonDataReader reader = new SQLiteMonDataReader(command.ExecuteReader()))
{
if (!reader.Read())
{
return(null);
}
// Get the size of the image data by passing nothing to getbytes
int dataLength = (int)reader.GetBytes(reader.GetOrdinal("image"), 0, null, 0, 0);
byte[] content = new byte[dataLength];
reader.GetBytes(reader.GetOrdinal("image"), 0, content, 0, dataLength);
using (MemoryStream contentStream = new MemoryStream(content))
{
using (Bitmap streamBitmap = new Bitmap(contentStream))
{
return(new Bitmap(streamBitmap));
}
}
}
}
}