public static string GetTypeName(string extension)
{
Shell32.SHFILEINFO shfi = new Shell32.SHFILEINFO();
uint flags = Shell32.SHGFI_USEFILEATTRIBUTES | Shell32.SHGFI_TYPENAME;
Shell32.SHGetFileInfo(@"*." + extension,
Shell32.FILE_ATTRIBUTE_NORMAL,
ref shfi,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(shfi),
flags);
return(shfi.szTypeName);
}
public static System.Drawing.Icon GetSmallFileIcon(string name)
{
Shell32.SHFILEINFO shfi = new Shell32.SHFILEINFO();
uint flags = Shell32.SHGFI_ICON | Shell32.SHGFI_USEFILEATTRIBUTES | Shell32.SHGFI_TYPENAME | Shell32.SHGFI_SMALLICON;
Shell32.SHGetFileInfo(name,
Shell32.FILE_ATTRIBUTE_NORMAL,
ref shfi,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(shfi),
flags);
System.Drawing.Icon icon = (System.Drawing.Icon)System.Drawing.Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon); // Cleanup
return(icon);
}
public static Icon GetStockIcon(Shell32.SHSTOCKICONID iconID, out int iIcon)
{
Shell32.SHSTOCKICONINFO sii = new Shell32.SHSTOCKICONINFO();
sii.cbSize = (UInt32)Marshal.SizeOf(typeof(Shell32.SHSTOCKICONINFO));
Marshal.ThrowExceptionForHR(Shell32.SHGetStockIconInfo(iconID,
Shell32.SHGSI.SHGSI_ICON | Shell32.SHGSI.SHGSI_SMALLICON,
ref sii));
iIcon = sii.iIcon;
Icon icon = (Icon)Icon.FromHandle(sii.hIcon).Clone();
User32.DestroyIcon(sii.hIcon);
return(icon);
}
/// <summary>
/// Used to access system folder icons.
/// </summary>
/// <param name="size">Specify large or small icons.</param>
/// <param name="folderType">Specify open or closed FolderType.</param>
/// <returns>System.Drawing.Icon</returns>
public static Icon GetFolderIcon(IconSize size, FolderType folderType)
{
#if MONO
return(null);
#else
// Need to add size check, although errors generated at present!
uint flags = Shell32.SHGFI_ICON | Shell32.SHGFI_USEFILEATTRIBUTES;
if (FolderType.Open == folderType)
{
flags += Shell32.SHGFI_OPENICON;
}
if (IconSize.Small == size)
{
flags += Shell32.SHGFI_SMALLICON;
}
else
{
flags += Shell32.SHGFI_LARGEICON;
}
// Get the folder icon
var shfi = new Shell32.SHFILEINFO();
Shell32.SHGetFileInfo(null,
Shell32.FILE_ATTRIBUTE_DIRECTORY,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
Icon.FromHandle(shfi.hIcon); // Load the icon from an HICON handle
// Now clone the icon, so that it can be successfully stored in an ImageList
var icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon); // Cleanup
return(icon);
#endif
}
public static Icon GetFileIcon(string name, IconSize size, bool linkOverlay)
{
Shell32.SHFILEINFO sHFILEINFO = default(Shell32.SHFILEINFO);
uint num = 272u;
if (linkOverlay)
{
num |= 32768u;
}
if (IconSize.Small == size)
{
num |= 1u;
}
else
{
num = num;
}
Shell32.SHGetFileInfo(name, 128u, ref sHFILEINFO, (uint)Marshal.SizeOf(sHFILEINFO), num);
Icon result = (Icon)Icon.FromHandle(sHFILEINFO.hIcon).Clone();
User32.DestroyIcon(sHFILEINFO.hIcon);
return(result);
}
/// <summary>
/// Used to access system folder icons.
/// </summary>
/// <param name="size">Specify large or small icons.</param>
/// <param name="folderType">Specify open or closed FolderType.</param>
/// <returns>System.Drawing.Icon</returns>
public static Icon GetFolderIcon(IconSize size, FolderType folderType)
{
// Need to add size check, although errors generated at present!
var flags = Shell32.SHGFI_ICON | Shell32.SHGFI_USEFILEATTRIBUTES;
if (FolderType.Open == folderType)
{
flags += Shell32.SHGFI_OPENICON;
}
if (IconSize.Small == size)
{
flags += Shell32.SHGFI_SMALLICON;
}
else
{
flags += Shell32.SHGFI_LARGEICON;
}
// Get the folder icon
var shfi = new Shell32.SHFILEINFO();
Shell32.SHGetFileInfo("astring",
// This is a bodge http://stackoverflow.com/questions/1599235/how-do-i-fetch-the-folder-icon-on-windows-7-using-shell32-shgetfileinfo
Shell32.FILE_ATTRIBUTE_DIRECTORY,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
Icon.FromHandle(shfi.hIcon); // Load the icon from an HICON handle
// Now clone the icon, so that it can be successfully stored in an ImageList
var icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon); // Cleanup
return(icon);
}
public static Icon GetFolderIcon(IconSize size, FolderType folderType)
{
uint num = 272u;
if (FolderType.Open == folderType)
{
num |= 2u;
}
if (IconSize.Small == size)
{
num |= 1u;
}
else
{
num = num;
}
Shell32.SHFILEINFO sHFILEINFO = default(Shell32.SHFILEINFO);
Shell32.SHGetFileInfo(Environment.CurrentDirectory, 16u, ref sHFILEINFO, (uint)Marshal.SizeOf(sHFILEINFO), num);
Icon.FromHandle(sHFILEINFO.hIcon);
Icon result = (Icon)Icon.FromHandle(sHFILEINFO.hIcon).Clone();
User32.DestroyIcon(sHFILEINFO.hIcon);
return(result);
}
public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref Shell32.SHFILEINFO psfi, uint cbFileInfo, uint uFlags);