public static Icon GetFileIcon(string fileName, bool isLargeIcon)
{
SHFILEINFO shfi = new SHFILEINFO();
IntPtr hI;
if (fileName == "文件夹")
{
fileName = "C:\\Windows\\";
//fileName = "E:\\work\\video\\m7.flv";
SHGetFileInfo(fileName, (uint)0x80, ref shfi,
(uint)Marshal.SizeOf(shfi),//Marshal.SizeOf返回对象的非托管大小
(uint)(0x100 | 0x400 | SHGFI_SMALLICON));//取得icon和typename
}
else
{
if (isLargeIcon)
hI = SHGetFileInfo(fileName, 0, ref shfi,
(uint)Marshal.SizeOf(shfi),
SHGFI_ICON | SHGFI_USEFILEATTRIBUTES |
SHGFI_LARGEICON);
else
hI = SHGetFileInfo(fileName, 0, ref shfi,
(uint)Marshal.SizeOf(shfi),
SHGFI_ICON | SHGFI_USEFILEATTRIBUTES |
SHGFI_SMALLICON);
}
Icon icon = Icon.FromHandle(shfi.hIcon).Clone() as Icon;
DestroyIcon(shfi.hIcon); //释放资源
return icon;
}
static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes,
ref SHFILEINFO psfi, uint cbFileInfo, uint uFlags);