public static int ShowContextMenu(IntPtr hwnd, string[] strFiles, int intX, int intY, bool blnErrorBeep)
{
CMINVOKECOMMANDINFO CI = new CMINVOKECOMMANDINFO();
DirectoryInfo dInfo;
FileInfo fInfo;
IContextMenu CM; // LPCONTEXTMENU
int cmdID; // LongBool
int pchEaten = 0; // DWORD pchEaten;
int dwAttributes = new int(); // ULONG
int intZero = 0;
int intCount;
IntPtr ipParent = new IntPtr(); // LPITEMIDLIST
IntPtr ipChild = new IntPtr(); // LPITEMIDLIST
IntPtr hMenu = new IntPtr(); // HMENU
//IntPtr ipPath = new IntPtr();
//IntPtr ipFileName = new IntPtr();
IShellFolder DesktopFolder = null; // IShellFolder
IShellFolder ParentFolder = null; // IShellfolder ParentFolder
Rect mRect;
REFIID IID_IShellFolder = new REFIID("000214E6-0000-0000-c000-000000000046");
REFIID IID_IContextMenu = new REFIID("000214E4-0000-0000-c000-000000000046");
string strFullName = "";
string strFilePath = "";
string strFileName = "";
string strFQName = "";
m_pidlCount = 0;
for (intCount = 0; intCount <= strFiles.GetUpperBound(0); intCount++)
{
strFullName = strFiles[intCount];
fInfo = new FileInfo(strFullName);
if (fInfo.Exists)
{
strFilePath = fInfo.DirectoryName;
strFileName = fInfo.Name;
strFQName = fInfo.FullName;
}
else
{
dInfo = new DirectoryInfo(strFullName);
if (dInfo.Exists)
{
try
{
strFileName = dInfo.Name;
strFilePath = dInfo.Parent.FullName;
}
catch
{
strFilePath = "";
}
}
}
SHGetDesktopFolder(ref DesktopFolder);
// ParseDisplayName - parent
// Translates a file object's or folder's display name into an item identifier list
pchEaten = 1;
dwAttributes = 0;
ipParent = new IntPtr();
DesktopFolder.ParseDisplayName(hwnd, IntPtr.Zero, strFilePath, ref pchEaten, ref ipParent, ref dwAttributes);
// BindToObject
// Retrieves an IShellFolder object for a subfolder
ParentFolder = null;
DesktopFolder.BindToObject(ipParent, IntPtr.Zero, ref IID_IShellFolder, ref ParentFolder);
// ParseDisplayName - child
// Translates a file object's or folder's display name into an item identifier list
pchEaten = 1;
dwAttributes = 0;
ipChild = new IntPtr();
ParentFolder.ParseDisplayName(hwnd, IntPtr.Zero, strFileName, ref pchEaten, ref ipChild, ref dwAttributes);
JAddItemToIDList(ipChild);
}
CM = null;
int intReturn = ParentFolder.GetUIObjectOf(hwnd, m_pidlCount, ref m_ipList[0], ref IID_IContextMenu, out intZero, ref CM);
if (CM != null)
{
hMenu = CreatePopupMenu();
CM.QueryContextMenu(hMenu, 0, MIN_SHELL_ID, MAX_SHELL_ID, QueryContextMenuFlags.CMF_EXPLORE);
cmdID = TrackPopupMenu(hMenu, (TPM_RETURNCMD | TPM_LEFTALIGN), intX, intY, 0, hwnd, out mRect);
if (cmdID != 0)
{
CI.cbSize = Marshal.SizeOf(CI);
CI.hwnd = hwnd;
CI.lpVerb = (IntPtr)MAKEINTRESOURCE(cmdID - 1);
CI.lpParameters = IntPtr.Zero;
CI.lpDirectory = IntPtr.Zero;
CI.nShow = SW_SHOWNORMAL;
CM.InvokeCommand(ref CI);
}
}
else
{
if (blnErrorBeep)
{
MessageBeep(-1);
}
}
return(0);
}
