using System;
using System.Runtime.InteropServices;

using HWND = System.IntPtr;
using HANDLE = System.IntPtr;

namespace Win32
{
public struct DRAGINFO
{
public int uSize;
public POINT pt;
public int fNC;
public string lpFileList;
public int grfKeyState;
}
public struct APPBARDATA
{
public int cbSize;
public HWND hwnd;
public int uCallbackMessage;
public int uEdge;
public RECT rc;
public int lParam;
}
public struct SHFILEOPSTRUCT
{
public HWND hwnd;
public int wFunc;
public string pFrom;
public string pTo;
public short fFlags;
public int fAnyOperationsAborted;
public HANDLE hNameMappings;
public string lpszProgressTitle;
}
public struct SHNAMEMAPPING
{
public string pszOldPath;
public string pszNewPath;
public int cchOldPath;
public int cchNewPath;
}
public struct SHELLEXECUTEINFO
{
public int cbSize;
public int fMask;
public HWND hwnd;
public string lpVerb;
public string lpFile;
public string lpParameters;
public string lpDirectory;
public int nShow;
public HANDLE hInstApp;
public int lpIDList;
public string lpClass;
public HANDLE hkeyClass;
public int dwHotKey;
public HANDLE hIcon;
public HANDLE hProcess;
}
public struct NOTIFYICONDATA
{
public int cbSize;
public HWND hwnd;
public int uID;
public int uFlags;
public int uCallbackMessage;
public HANDLE hIcon;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=64)] public string szTip;
}
public struct SHFILEINFO
{
public HANDLE hIcon;
public int iIcon;
public int dwAttributes;
[MarshalAs(UnmanagedType.ByValArray, SizeConst=Kernel.MAX_PATH)]public string szDisplayName;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst=80)] public string szTypeName;
}

public abstract class Shell
{
	[DllImport("shell32")] public static extern int CommandLineToArgv(string lpCmdLine, short pNumArgs);
	[DllImport("shell32")] public static extern int DoEnvironmentSubst(string szString, int cbString);
	[DllImport("shell32")] public static extern int DragQueryFile(HANDLE hDROP, int UINT, string lpStr, int ch);
	[DllImport("shell32")] public static extern int DragQueryPoint(HANDLE hDROP, ref POINT lpPoint);
	[DllImport("shell32")] public static extern int DuplicateIcon(HANDLE hInst, HANDLE hIcon);
	[DllImport("shell32")] public static extern int ExtractAssociatedIcon(HANDLE hInst, string lpIconPath, ref int lpiIcon);
	[DllImport("shell32")] public static extern int ExtractIcon(HANDLE hInst, string lpszExeFileName, int nIconIndex);
	[DllImport("shell32")] public static extern int ExtractIconEx(string lpszFile, int nIconIndex, ref int phiconLarge, ref int phiconSmall, int nIcons);
	[DllImport("shell32")] public static extern int FindExecutable(string lpFile, string lpDirectory, string lpResult);
	[DllImport("shell32")] public static extern int SHAppBarMessage(int dwMessage, ref APPBARDATA pData);
	[DllImport("shell32")] public static extern int SHFileOperation(ref SHFILEOPSTRUCT lpFileOp);
	[DllImport("shell32")] public static extern int SHGetFileInfo(string pszPath, int dwFileAttributes, ref SHFILEINFO psfi, int cbFileInfo, int uFlags);
	[DllImport("shell32")] public static extern int SHGetNewLinkInfo(string pszLinkto, string pszDir, string pszName, ref int pfMustCopy, int uFlags);
	[DllImport("shell32")] public static extern int ShellAbout(HWND hwnd, string szApp, string szOtherStuff, HANDLE hIcon);
	[DllImport("shell32")] public static extern int ShellExecute(HWND hwnd, string lpOperation, string lpFile, string lpParameters, string lpDirectory, int nShowCmd);
	[DllImport("shell32")] public static extern int Shell_NotifyIcon(int dwMessage, ref NOTIFYICONDATA lpData);
	[DllImport("shell32")] public static extern void DragAcceptFiles(HWND hwnd, int fAccept);
	[DllImport("shell32")] public static extern void DragFinish(HANDLE hDrop);
	[DllImport("shell32")] public static extern void SHFreeNameMappings(HANDLE hNameMappings);
	[DllImport("shell32")] public static extern void WinExecError(HWND hwnd, int error, string lpstrFileName, string lpstrTitle);
	[DllImport("shell32")] public static extern int SHBrowseForFolder(BROWSEINFO lpbi);
	[DllImport("shell32")] public static extern int SHGetPathFromIDList(int pidList, string lpBuffer);

	public const int ABE_BOTTOM = 3;
	public const int ABE_LEFT = 0;
	public const int ABE_RIGHT = 2;
	public const int ABE_TOP = 1;
	public const int ABM_ACTIVATE = 0x6; 
	public const int ABM_GETAUTOHIDEBAR = 0x7;
	public const int ABM_GETSTATE = 0x4;
	public const int ABM_GETTASKBARPOS = 0x5;
	public const int ABM_NEW = 0x0;
	public const int ABM_QUERYPOS = 0x2;
	public const int ABM_REMOVE = 0x1;
	public const int ABM_SETAUTOHIDEBAR = 0x8; 
	public const int ABM_SETPOS = 0x3;
	public const int ABM_WINDOWPOSCHANGED = 0x9;
	public const int ABN_FULLSCREENAPP = 0x2;
	public const int ABN_POSCHANGED = 0x1;
	public const int ABN_STATECHANGE = 0x0;
	public const int ABN_WINDOWARRANGE = 0x3; 
	public const int ABS_ALWAYSONTOP = 0x2;
	public const int ABS_AUTOHIDE = 0x1;
	public const int EIRESID = -1;
	public const int FOF_ALLOWUNDO = 0x40;
	public const int FOF_CONFIRMMOUSE = 0x2;
	public const int FOF_FILESONLY = 0x80; 
	public const int FOF_MULTIDESTFILES = 0x1;
	public const int FOF_NOCONFIRMATION = 0x10; 
	public const int FOF_NOCONFIRMMKDIR = 0x200; 
	public const int FOF_RENAMEONCOLLISION = 0x8;
	public const int FOF_SILENT = 0x4; 
	public const int FOF_SIMPLEPROGRESS = 0x100; 
	public const int FOF_WANTMAPPINGHANDLE = 0x20; 
	public const int FO_COPY = 0x2;
	public const int FO_DELETE = 0x3;
	public const int FO_MOVE = 0x1;
	public const int FO_RENAME = 0x4;
	public const int NIF_ICON = 0x2;
	public const int NIF_MESSAGE = 0x1;
	public const int NIF_TIP = 0x4;
	public const int NIM_ADD = 0x0;
	public const int NIM_DELETE = 0x2;
	public const int NIM_MODIFY = 0x1;
	public const int PO_DELETE = 0x13; 
	public const int PO_PORTCHANGE = 0x20; 
	public const int PO_RENAME = 0x14; 
	public const int PO_REN_PORT = 0x34; 
	public const int SEE_MASK_CLASSKEY = 0x3;
	public const int SEE_MASK_CLASSNAME = 0x1;
	public const int SEE_MASK_CONNECTNETDRV = 0x80;
	public const int SEE_MASK_DOENVSUBST = 0x200;
	public const int SEE_MASK_FLAG_DDEWAIT = 0x100;
	public const int SEE_MASK_FLAG_NO_UI = 0x400;
	public const int SEE_MASK_HOTKEY = 0x20;
	public const int SEE_MASK_ICON = 0x10;
	public const int SEE_MASK_IDLIST = 0x4;
	public const int SEE_MASK_INVOKEIDLIST = 0xC;
	public const int SEE_MASK_NOCLOSEPROCESS = 0x40;
	public const int SE_ERR_ACCESSDENIED = 5; 
	public const int SE_ERR_ASSOCINCOMPLETE = 27;
	public const int SE_ERR_DDEBUSY = 30;
	public const int SE_ERR_DDEFAIL = 29;
	public const int SE_ERR_DDETIMEOUT = 28;
	public const int SE_ERR_DLLNOTFOUND = 32;
	public const int SE_ERR_FNF = 2; 
	public const int SE_ERR_NOASSOC = 31;
	public const int SE_ERR_OOM = 8; 
	public const int SE_ERR_PNF = 3; 
	public const int SE_ERR_SHARE = 26;
	public const int SHGFI_ATTRIBUTES = 0x800; 
	public const int SHGFI_DISPLAYNAME = 0x200; 
	public const int SHGFI_EXETYPE = 0x2000; 
	public const int SHGFI_ICON = 0x100; 
	public const int SHGFI_ICONLOCATION = 0x1000; 
	public const int SHGFI_LARGEICON = 0x0; 
	public const int SHGFI_LINKOVERLAY = 0x8000; 
	public const int SHGFI_OPENICON = 0x2; 
	public const int SHGFI_PIDL = 0x8; 
	public const int SHGFI_SELECTED = 0x10000; 
	public const int SHGFI_SHELLICONSIZE = 0x4; 
	public const int SHGFI_SMALLICON = 0x1; 
	public const int SHGFI_SYSICONINDEX = 0x4000; 
	public const int SHGFI_TYPENAME = 0x400; 
	public const int SHGFI_USEFILEATTRIBUTES = 0x10; 
	public const int SHGNLI_PIDL = 0x1; 
	public const int SHGNLI_PREFIXNAME = 0x2; 
}

}