/// <summary>
/// Second method associated with the item.
/// It retrieves:
/// file size,
/// file creation date.
/// </summary>
/// <returns>true if succeded; otherwise, false.</returns>
private bool EvalMethod1()
{
long fileSize = 0;
long fileTime = 0;
if (FileInfoRetriever.RetrieveFileSizeAndTime(_pidl, ref fileSize, ref fileTime))
{
fileSize = (long)System.Math.Ceiling((double)fileSize / 1024);
string strFileSize = fileSize.ToString(System.Globalization.CultureInfo.CurrentCulture);
System.DateTime creationTime = System.DateTime.FromFileTime(fileTime);
string strFileTime = creationTime.ToShortDateString();
lock (this)
{
if (this.Texts[ThumbnailListItem.TextInfoIdFileSize] == null)
{
string strFileSizeFull = string.Empty;
if (_pidl.Type != PidlType.Folder)
{
strFileSizeFull = strFileSize + " " + _kilobytesText;
}
this.Texts.Add(ThumbnailListItem.TextInfoIdFileSize, strFileSizeFull);
}
if (this.Texts[ThumbnailListItem.TextInfoIdCreationDate] == null)
{
this.Texts.Add(ThumbnailListItem.TextInfoIdCreationDate, strFileTime);
}
}
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Third method associated with the item. It retrieves file thumbnail.
/// </summary>
/// <returns>true if succeded; otherwise, false.</returns>
private bool EvalMethod2()
{
if (this.Parent == null)
{
return(false);
}
Aurigma.GraphicsMill.Bitmap image = null;
System.IntPtr icon = System.IntPtr.Zero;
try
{
if (this.Parent != null)
{
ThumbnailImageList imageList = (ThumbnailImageList)this.Parent.GetImageList(View.Thumbnails);
FileInfoRetriever.RetrieveThumbnail(_pidl, imageList.ThumbnailSize.Width, imageList.ThumbnailSize.Height, ref image, ref icon);
if (image == null && icon != System.IntPtr.Zero)
{
image = ImageListBase.IconToAlphaBitmap(icon);
}
OnThumbnailLoaded(image);
lock (imageList)
{
lock (this)
{
_imageIndexKeys[View.Thumbnails] = this;
if (this.Parent != null)
{
_imageIndexKeys[View.Thumbnails] = this;
if (imageList.ContainsKey(this))
{
imageList.SetImage(image, this);
}
else
{
imageList.AddImage(image, this);
}
}
}
}
}
}
finally
{
if (image != null)
{
image.Dispose();
}
NativeMethods.DestroyIcon(icon);
}
return(true);
}
/// <summary>
/// First method associated with the item.
/// It retrieves:
/// object's display name,
/// object's type,
/// object's small icon index,
/// object's small icon handle,
/// object's large icon index,
/// object's large icon handle.
/// </summary>
/// <returns>true if succeded; otherwise, false.</returns>
private bool EvalMethod0()
{
if (this.Parent == null)
{
return(false);
}
string displayName = string.Empty;
string type = string.Empty;
int iconIndexSmall = -1;
int iconIndexLarge = -1;
System.IntPtr iconSmall = System.IntPtr.Zero;
System.IntPtr iconLarge = System.IntPtr.Zero;
if (FileInfoRetriever.RetrieveFileInfo(_pidl, ref displayName, ref type, ref iconIndexSmall, ref iconSmall, ref iconIndexLarge, ref iconLarge) && this.Parent != null)
{
IImageList listImageList = this.Parent.GetImageList(View.List);
IImageList iconImageList = this.Parent.GetImageList(View.Icons);
if (listImageList != null)
{
System.Threading.Monitor.Enter(listImageList);
}
try
{
if (iconImageList != null)
{
System.Threading.Monitor.Enter(iconImageList);
}
try
{
lock (this)
{
try
{
// Saving display name
this.Texts[ThumbnailListItem.TextInfoIdDisplayName] = displayName;
// Saving file type
this.Texts[ThumbnailListItem.TextInfoIdFileType] = type;
if (this.Parent != null)
{
// Adding small icon to control ImageList (for List & Details view)
string indexKey = iconIndexSmall.ToString();
_imageIndexKeys[View.List] = indexKey;
listImageList.AddImage(iconSmall, indexKey);
_imageIndexKeys[View.Details] = indexKey;
// Adding large icon to control ImageList (for Icon view)
indexKey = iconIndexLarge.ToString();
iconImageList.AddImage(iconLarge, indexKey);
_imageIndexKeys[View.Icons] = indexKey;
}
}
finally
{
NativeMethods.DestroyIcon(iconSmall);
NativeMethods.DestroyIcon(iconLarge);
}
}
}
finally
{
if (iconImageList != null)
{
System.Threading.Monitor.Exit(iconImageList);
}
}
}
finally
{
if (listImageList != null)
{
System.Threading.Monitor.Exit(listImageList);
}
}
return(true);
}
return(false);
}