public static ShellFileType GetExeType(string file)
{
const uint shgfiExetype = 0x000002000;
var type = ShellFileType.FileNotFound;
if (!File.Exists(file))
{
return(type);
}
ShFileinfo shinfo = new ShFileinfo();
IntPtr ptr = Shell32.SHGetFileInfo(file, 128, ref shinfo, (uint)Marshal.SizeOf(shinfo), shgfiExetype);
int wparam = ptr.ToInt32();
int loWord = wparam & 0xffff;
int hiWord = wparam >> 16;
type = ShellFileType.Unknown;
if (wparam != 0)
{
if (hiWord == 0x0000 && loWord == 0x5a4d)
{
type = ShellFileType.Dos;
}
else if (hiWord == 0x0000 && loWord == 0x4550)
{
type = ShellFileType.Console;
}
else if (hiWord != 0x0000 && (loWord == 0x454E || loWord == 0x4550 || loWord == 0x454C))
{
type = ShellFileType.Windows;
}
}
return(type);
}
internal static extern IntPtr SHGetFileInfo(
string pszPath,
uint dwFileAttributes,
ref ShFileinfo psfi,
uint cbSizeFileInfo,
uint uFlags);
public static extern IntPtr SHGetFileInfo(string pszPath, uint dwFileAttributes, ref ShFileinfo psfi, uint cbSizeFileInfo, uint uFlags);