/// <summary>
/// lookup and return an icon from windows shell
/// </summary>
/// <param name="name">path to the file</param>
/// <param name="size">large or small</param>
/// <param name="linkOverlay">true to include the overlay link iconlet</param>
/// <returns>requested icon</returns>
public static System.Drawing.Icon GetFileIcon(
string filePath,
EnumIconSize size,
bool addLinkOverlay)
{
EnumFileInfoFlags flags =
EnumFileInfoFlags.ICON | EnumFileInfoFlags.USEFILEATTRIBUTES;
// add link overlay if requested
if (addLinkOverlay)
{
flags |= EnumFileInfoFlags.LINKOVERLAY;
}
// set size
if (size == EnumIconSize.Small)
{
flags |= EnumFileInfoFlags.SMALLICON;
}
else
{
flags |= EnumFileInfoFlags.LARGEICON;
}
ShellFileInfo shellFileInfo = new ShellFileInfo();
SHGetFileInfo(
filePath,
conFILE_ATTRIBUTE_NORMAL,
ref shellFileInfo,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(shellFileInfo),
(uint)flags);
// deep copy
System.Drawing.Icon icon =
(System.Drawing.Icon)System.Drawing.Icon.FromHandle(shellFileInfo.hIcon).Clone();
// release handle
DestroyIcon(shellFileInfo.hIcon);
return(icon);
}
/// <summary>
/// lookup and return an icon from windows shell
/// </summary>
/// <param name="folderPath">path to folder<param>
/// <param name="size">large or small</param>
/// <param name="folderType">open or closed</param>
/// <returns>requested icon</returns>
public static System.Drawing.Icon GetFolderIcon(
string folderPath,
EnumIconSize size,
EnumFolderType folderType)
{
EnumFileInfoFlags flags =
EnumFileInfoFlags.ICON | EnumFileInfoFlags.USEFILEATTRIBUTES;
if (folderType == EnumFolderType.Open)
{
flags |= EnumFileInfoFlags.OPENICON;
}
if (EnumIconSize.Small == size)
{
flags |= EnumFileInfoFlags.SMALLICON;
}
else
{
flags |= EnumFileInfoFlags.LARGEICON;
}
ShellFileInfo shellFileInfo = new ShellFileInfo();
SHGetFileInfo(
folderPath,
conFILE_ATTRIBUTE_DIRECTORY,
ref shellFileInfo,
(uint)System.Runtime.InteropServices.Marshal.SizeOf(shellFileInfo),
(uint)flags);
// deep copy
System.Drawing.Icon icon =
(System.Drawing.Icon)System.Drawing.Icon.FromHandle(shellFileInfo.hIcon).Clone();
// release handle
DestroyIcon(shellFileInfo.hIcon);
return(icon);
}
