/// <summary>
/// Returns an icon for a given file - indicated by the name parameter.
/// </summary>
/// <param name="name">Pathname for file.</param>
/// <param name="size">Large or small</param>
/// <param name="linkOverlay">Whether to include the link icon</param>
/// <returns>System.Drawing.Icon</returns>
public static Icon GetFileIcon(string name, IconSize size, bool linkOverlay)
{
var shfi = new Shell32.Shfileinfo();
var flags = Shell32.ShgfiIcon | Shell32.ShgfiUsefileattributes;
if (linkOverlay)
{
flags += Shell32.ShgfiLinkoverlay;
}
/* Check the size specified for return. */
if (IconSize.Small == size)
{
flags += Shell32.ShgfiSmallicon;
}
else
{
flags += Shell32.ShgfiLargeicon;
}
Shell32.SHGetFileInfo(name,
Shell32.FileAttributeNormal,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
// Copy (clone) the returned icon to a new object, thus allowing us to clean-up properly
var icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon); // Cleanup
return(icon);
}
public static Icon GetFileIcon(string name, IconSize size, bool linkOverlay)
{
var shfi = new Shell32.Shfileinfo();
var flags = Shell32.ShgfiIcon | Shell32.ShgfiUsefileattributes;
if (linkOverlay)
{
flags += Shell32.ShgfiLinkoverlay;
}
if (IconSize.Small == size)
{
flags += Shell32.ShgfiSmallicon;
}
else
{
flags += Shell32.ShgfiLargeicon;
}
Shell32.SHGetFileInfo(name,
Shell32.FileAttributeNormal,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
var icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon);
return(icon);
}
public static Icon GetFolderIcon(String path, IconSize iconSize, FolderType folderType)
{
var flags = Shell32.SHGFI_ICON | Shell32.SHGFI_USEFILEATTRIBUTES | (UInt32)iconSize | (UInt32)folderType;
var shfi = new Shell32.Shfileinfo {
};
var res = Shell32.SHGetFileInfo(
path,
Shell32.FILEATTRIBUTE_DIRECTORY,
ref shfi,
(UInt32)Marshal.SizeOf(shfi),
flags);
if (Object.Equals(res, IntPtr.Zero))
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
try
{
return((Icon)Icon.FromHandle(shfi.hIcon).Clone());
}
catch
{
throw;
}
finally
{
User32.DestroyIcon(shfi.hIcon);
}
}
/// <summary>
/// Returns an icon for a given file - indicated by the name parameter.
/// </summary>
/// <param name="path">Pathname for file.</param>
/// <param name="iconSize">Large or small</param>
/// <param name="linkOverlay">Whether to include the link icon</param>
/// <returns>System.Drawing.Icon</returns>
public static Icon GetFileIcon(String path, IconSize iconSize, Boolean linkOverlay = false)
{
var flags = Shell32.SHGFI_ICON | Shell32.SHGFI_USEFILEATTRIBUTES | (UInt32)iconSize;
if (linkOverlay)
{
flags += Shell32.SHGFI_LINKOVERLAY;
}
var shfi = new Shell32.Shfileinfo {
};
var res = Shell32.SHGetFileInfo(
path,
Shell32.FILEATTRIBUTE_NORMAL,
ref shfi,
(UInt32)Marshal.SizeOf(shfi),
flags);
if (Object.Equals(res, IntPtr.Zero))
{
throw Marshal.GetExceptionForHR(Marshal.GetHRForLastWin32Error());
}
try
{
return((Icon)Icon.FromHandle(shfi.hIcon).Clone());
}
catch
{
throw;
}
finally
{
User32.DestroyIcon(shfi.hIcon);
}
}
/// <summary>
/// Returns an icon for a given file - indicated by the name parameter.
/// </summary>
/// <param name="name">Pathname for file.</param>
/// <param name="size">Large or small</param>
/// <param name="linkOverlay">Whether to include the link icon</param>
/// <returns>System.Drawing.Icon</returns>
public static Icon GetFileIcon(string name, IconSize size, bool linkOverlay)
{
var shfi = new Shell32.Shfileinfo();
var flags = Shell32.ShgfiIcon | Shell32.ShgfiUsefileattributes;
if (linkOverlay) flags += Shell32.ShgfiLinkoverlay;
/* Check the size specified for return. */
if (IconSize.Small == size)
flags += Shell32.ShgfiSmallicon;
else
flags += Shell32.ShgfiLargeicon;
Shell32.SHGetFileInfo(name,
Shell32.FileAttributeNormal,
ref shfi,
(uint)Marshal.SizeOf(shfi),
flags);
// Copy (clone) the returned icon to a new object, thus allowing us to clean-up properly
var icon = (Icon)Icon.FromHandle(shfi.hIcon).Clone();
User32.DestroyIcon(shfi.hIcon); // Cleanup
return icon;
}
