private void LoadFromThumbsDB()
{
FileStream f = File.Open(this.SourceDirectory + Path.DirectorySeparatorChar + "Thumbs.iw", FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(f);
// clear old thumbnail images
if (thumbNails != null)
{
foreach (Bitmap b in thumbNails)
{
if (b != null)
{
b.Dispose();
}
}
thumbNails.Clear();
}
thumbNails = new ThumbnailList();
// clear old thumbnail paths
if (files != null)
{
files.Clear();
}
while (br.BaseStream.Position != br.BaseStream.Length)
{
byte[] image = br.ReadBytes(10054);
char[] pathC = br.ReadChars(1024);
char[] toolTipC = br.ReadChars(1024);
string path = new String(pathC).Trim();
string toolTip = new String(toolTipC).Trim();
MemoryStream ms = new MemoryStream(image);
Bitmap thumb = new Bitmap(ms);
thumbNails.Add(thumb);
files.Add(path);
toolTips.Add(toolTip);
image = null;
pathC = null;
path = null;
}
br.Close();
}
private bool IsThumbsDBOld()
{
string[] tfiles = null;
string thumbsDB = this.sourceDirectory + Path.DirectorySeparatorChar + "thumbsDB";
files.Clear();
string[] exts = null;
if (thumbnailFileType == ThumbnailFileType.CommonImages)
{
exts = standardExts;
}
else if (thumbnailFileType == ThumbnailFileType.DICOM)
{
exts = dicomExts;
}
else if (thumbnailFileType == ThumbnailFileType.AllImages)
{
exts = allExts;
}
foreach (string ext in exts)
{
tfiles = Directory.GetFiles(this.sourceDirectory, ext);
foreach (string file in tfiles)
{
files.Add(file);
}
tfiles = null;
}
thumbNails = new ThumbnailList(files.Count);
DateTime lastestModTime = DateTime.MinValue;
for (int j = 0; j < files.Count; j++)
{
string file = (string)files[j];
if (lastestModTime < File.GetCreationTime(file))
lastestModTime = File.GetCreationTime(file);
if (lastestModTime < File.GetLastWriteTime(file))
lastestModTime = File.GetLastWriteTime(file);
}
DateTime thumbsDBTime = File.GetLastWriteTime(this.SourceDirectory + Path.DirectorySeparatorChar + "Thumbs.iw");
if (lastestModTime > thumbsDBTime)
return true;
else
return false;
}
private void LoadFromThumbsDB()
{
FileStream f = File.Open(this.SourceDirectory + Path.DirectorySeparatorChar + "Thumbs.iw", FileMode.Open, FileAccess.Read);
BinaryReader br = new BinaryReader(f);
// clear old thumbnail images
if (thumbNails != null)
{
foreach (Bitmap b in thumbNails)
{
if (b != null)
b.Dispose();
}
thumbNails.Clear();
}
thumbNails = new ThumbnailList();
// clear old thumbnail paths
if (files != null)
files.Clear();
while (br.BaseStream.Position != br.BaseStream.Length)
{
byte[] image = br.ReadBytes(10054);
char[] pathC = br.ReadChars(1024);
char[] toolTipC = br.ReadChars(1024);
string path = new String(pathC).Trim();
string toolTip = new String(toolTipC).Trim();
MemoryStream ms = new MemoryStream(image);
Bitmap thumb = new Bitmap(ms);
thumbNails.Add(thumb);
files.Add(path);
toolTips.Add(toolTip);
image = null;
pathC = null;
path = null;
}
br.Close();
}
private bool IsThumbsDBOld()
{
string[] tfiles = null;
string thumbsDB = this.sourceDirectory + Path.DirectorySeparatorChar + "thumbsDB";
files.Clear();
string[] exts = null;
if (thumbnailFileType == ThumbnailFileType.CommonImages)
{
exts = standardExts;
}
else if (thumbnailFileType == ThumbnailFileType.DICOM)
{
exts = dicomExts;
}
else if (thumbnailFileType == ThumbnailFileType.AllImages)
{
exts = allExts;
}
foreach (string ext in exts)
{
tfiles = Directory.GetFiles(this.sourceDirectory, ext);
foreach (string file in tfiles)
{
files.Add(file);
}
tfiles = null;
}
thumbNails = new ThumbnailList(files.Count);
DateTime lastestModTime = DateTime.MinValue;
for (int j = 0; j < files.Count; j++)
{
string file = (string)files[j];
if (lastestModTime < File.GetCreationTime(file))
{
lastestModTime = File.GetCreationTime(file);
}
if (lastestModTime < File.GetLastWriteTime(file))
{
lastestModTime = File.GetLastWriteTime(file);
}
}
DateTime thumbsDBTime = File.GetLastWriteTime(this.SourceDirectory + Path.DirectorySeparatorChar + "Thumbs.iw");
if (lastestModTime > thumbsDBTime)
{
return(true);
}
else
{
return(false);
}
}