[Solved] Getting folder icon path

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here is the function that i wanted:

string getIconPath(string folderPath) {
    SHFILEINFO shinfo = new SHFILEINFO();
    Win32.SHGetFileInfo(folderPath, 0, ref shinfo, (uint)Marshal.SizeOf(shinfo), (int)0x1000);
    return shinfo.szDisplayName
}

and here are the SHFILEINFO struct and Win32 class implementations:

[StructLayout(LayoutKind.Sequential)]
public struct SHFILEINFO
{
    public IntPtr hIcon;
    public int iIcon;
    public uint dwAttributes;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 260)]
    public string szDisplayName;
    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 80)]
    public string szTypeName;
};

class Win32
{
    [DllImport("shell32.dll")]
    public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref SHFILEINFO psfi, uint cbSizeFileInfo, uint uFlags);
}

solved Getting folder icon path