public static bool getIcon(string file, out Image image)
{
image = null;
SHFILEINFO shFileInfo = new SHFILEINFO();
NativeMethods.SHGetFileInfo(file, 0, out shFileInfo,
(uint)Marshal.SizeOf(shFileInfo), NativeMethods.SHGFI_ICON |
NativeMethods.SHGFI_SMALLICON | 0x4);
if (shFileInfo.hIcon != IntPtr.Zero) {
image = Icon.FromHandle(shFileInfo.hIcon).ToBitmap();
NativeMethods.DestroyIcon(shFileInfo.hIcon);
return true;
}
return false;
}
private IconCache()
{
ImageAddIcon(@"c:\", list);
SHFILEINFO shFileInfo = new SHFILEINFO();
NativeMethods.SHGetFileInfo("", 0, out shFileInfo,
(uint)Marshal.SizeOf(shFileInfo), NativeMethods.SHGFI_ICON |
NativeMethods.SHGFI_SMALLICON | 0x4);
if (shFileInfo.hIcon != IntPtr.Zero) {
diricon = Icon.FromHandle(shFileInfo.hIcon).ToBitmap();
NativeMethods.DestroyIcon(shFileInfo.hIcon);
}
cache.ImageSize = new Size(16, 16);
cache.ColorDepth = ColorDepth.Depth32Bit;
//list.ColorDepth = ColorDepth.Depth32Bit;
//ImageAddIcon("shell32.dll", list);
}
public Image getImage(string path, string ext, bool isfile)
{
if (!isfile) {
return diricon;
}
//if(ext==".lnk"){
// SHFILEINFO shFileInfo = new SHFILEINFO();
// NativeMethods.SHGetFileInfo(path, 0, out shFileInfo,
// (uint)Marshal.SizeOf(shFileInfo), NativeMethods.SHGFI_ICON |
// NativeMethods.SHGFI_SYSICONINDEX | NativeMethods.SHGFI_OVERLAYINDEX);
// var iconIndex = (shFileInfo.iIcon & 0xFFFFFF);
// if (shFileInfo.hIcon != IntPtr.Zero) {
// NativeMethods.DestroyIcon(shFileInfo.hIcon);
// }
// Image res;
// if (ImageAddIcon(@"%SystemRoot%\System32\shell32.dll", iconIndex, out res)) {
// return res;
// }
// return list.Images[iconIndex];
//}
//var i = cache.Images.ContainsKey
if (!cache.Images.ContainsKey(ext)) {
SHFILEINFO shFileInfo = new SHFILEINFO();
NativeMethods.SHGetFileInfo(path, 0, out shFileInfo,
(uint)Marshal.SizeOf(shFileInfo), NativeMethods.SHGFI_ICON |
NativeMethods.SHGFI_SMALLICON | 0x4);
if (shFileInfo.hIcon != IntPtr.Zero) {
cache.Images.Add(ext, Icon.FromHandle(shFileInfo.hIcon).ToBitmap());
NativeMethods.DestroyIcon(shFileInfo.hIcon);
}
}
return cache.Images[ext];
}
public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes,
out SHFILEINFO psfi, uint cbFileInfo, uint uFlags);
