private void ImageViewer_FormClosing(object sender, FormClosingEventArgs e)
{
if (image.SizeCoordinates.NotEqual(sizeCoordinates))
{
image.SizeCoordinates = sizeCoordinates;
image.ImageSize = imageSize;
dbConn.ImagesUpdateImageSize(image.ImageFileName, sizeCoordinates, imageSize);
}
dbConn.Close();
dbConn = null;
GC.Collect();
}