public static string CustomFileIcon(string fileName)
{
if (string.IsNullOrEmpty(fileName) || (appImages == null))
{
return(null);
}
string imageName = null;
if (FileOperations.FileIsLink(fileName))
{
string tempName = FileOperations.ExtractFileNameFromShellLink(fileName);
if (!string.IsNullOrEmpty(tempName))
{
fileName = tempName;
}
}
string shortName = Path.GetFileName(fileName);
imageName = appImages.ReadString("Program", shortName);
if (!string.IsNullOrEmpty(imageName))
{
if (FileOperations.FileExists(imageName))
{
return(imageName);
}
}
return(null);
}
private static Image FileNameImageInternal(string fileName)
{
Image result = null;
Icon icon = null;
if (!string.IsNullOrEmpty(fileName))
{
fileName = FileOperations.StripFileName(fileName);
//if we have only name of the file without path
//try to find it in the search path of Windows
fileName = FileSearch.FullPath(fileName);
if (!FileOperations.FileOrFolderExists(fileName))
{
result = FileTypeImage(fileName);
return(result);
}
//if this is a link to executable with original
//executable icon
if (FileOperations.FileIsLink(fileName))
{
result = TryExtractImageFromShellLink(fileName);
if (result != null)
{
return(result);
}
}
if (FileOperations.FileIsImage(fileName))
{
try
{
result = Image.FromFile(fileName);
result = BitmapPainter.ResizeBitmap(result, imageSize, imageSize, true);
}
catch
{
result = null;
}
if (result != null)
{
return(result);
}
}
// 1. The file is icon
// 2. The file is exe or dll
// 3. The file is a shell link .lnk
// 4. Other file types
if (FileOperations.FileIsIcon(fileName))
{
//Simply load icon from file
icon = new Icon(fileName);
}
else
//Extract icon from exe or dll directly
if (FileOperations.FileIsExe(fileName))
{
return(ExtractIconFromExecutable(fileName));
}
else
{
result = FileTypeImage(fileName);
return(result);
}
result = ConvertIconToBitmap(icon);
}
if (icon != null)
{
icon.Dispose();
}
return(result);
}