public virtual ImageSource SelectIconSource(IFileSystemItemModel itemModel, bool isDirectory, string fileSystemItemFullName)
{
FileAttributeConstants iconType = System.IO.File.Exists(fileSystemItemFullName) ? FileAttributeConstants.FILE_ATTRIBUTE_NORMAL : System.IO.Directory.Exists(fileSystemItemFullName) ? FileAttributeConstants.FILE_ATTRIBUTE_DIRECTORY : FileAttributeConstants.DEFAULT;
if (iconType == FileAttributeConstants.DEFAULT || itemModel is SpecialDirectory)
{
return(null);
}
return(GetFileSystemItemIcon(fileSystemItemFullName, true, iconType));
}
private static ImageSource GetFileSystemItemIcon(string filePath, bool isSmall, FileAttributeConstants iconType)
{
SHFILEINFO info = new SHFILEINFO(true);
int cbFileInfo = Marshal.SizeOf(info);
SHGFI flags;
if (isSmall)
{
flags = SHGFI.Icon | SHGFI.SmallIcon | SHGFI.UseFileAttributes;
}
else
{
flags = SHGFI.Icon | SHGFI.LargeIcon | SHGFI.UseFileAttributes;
}
SHGetFileInfo(filePath, (uint)iconType, ref info, (uint)cbFileInfo, flags);
using var defaultAssociatedIconWinFormsIcon = Icon.FromHandle(info.hIcon);
return(ConvertIconToImageSource(defaultAssociatedIconWinFormsIcon));
}
