public bool GetOpenWithContextMenu(ShellObject item, out object iContextMenuPtr, out IContextMenu iContextMenu)
{
Guid CLSID_OpenWith = new Guid(0x09799AFB, 0xAD67, 0x11d1, 0xAB, 0xCD, 0x00, 0xC0, 0x4F, 0xC3, 0x09, 0x36);
Guid iicm = typeof(IContextMenu).GUID;
Guid iise = typeof(IShellExtInit).GUID;
if (WindowsAPI.CoCreateInstance(
ref CLSID_OpenWith,
IntPtr.Zero,
0x1,
ref iicm,
out iContextMenuPtr) == (int)HResult.Ok)
{
iContextMenu = iContextMenuPtr as IContextMenu;
IntPtr iShellExtInitPtr;
if (Marshal.QueryInterface(
Marshal.GetIUnknownForObject(iContextMenuPtr),
ref iise,
out iShellExtInitPtr) == (int)HResult.Ok)
{
IShellExtInit iShellExtInit = Marshal.GetTypedObjectForIUnknown(
iShellExtInitPtr, typeof(IShellExtInit)) as IShellExtInit;
try
{
iShellExtInit.Initialize(item.PIDL, IntPtr.Zero, 0);
Marshal.ReleaseComObject(iShellExtInit);
Marshal.Release(iShellExtInitPtr);
return(true);
}
finally
{
}
}
else
{
if (iContextMenu != null)
{
Marshal.ReleaseComObject(iContextMenu);
iContextMenu = null;
}
if (iContextMenuPtr != null)
{
Marshal.ReleaseComObject(iContextMenuPtr);
iContextMenuPtr = null;
}
return(false);
}
}
else
{
iContextMenuPtr = IntPtr.Zero;
iContextMenu = null;
return(false);
}
}
public bool GetNewContextMenu(ShellObject item, out object iContextMenuPtr, out IContextMenu iContextMenu)
{
Guid CLSID_NewMenu = new Guid("{D969A300-E7FF-11d0-A93B-00A0C90F2719}");
Guid iicm = typeof(IContextMenu).GUID;
Guid iise = typeof(IShellExtInit).GUID;
if (WindowsAPI.CoCreateInstance(
ref CLSID_NewMenu,
IntPtr.Zero,
0x1,
ref iicm,
out iContextMenuPtr) == (int)HResult.Ok)
{
iContextMenu = iContextMenuPtr as IContextMenu;
IntPtr iShellExtInitPtr;
if (Marshal.QueryInterface(
Marshal.GetIUnknownForObject(iContextMenuPtr),
ref iise,
out iShellExtInitPtr) == (int)HResult.Ok)
{
IShellExtInit iShellExtInit = Marshal.GetTypedObjectForIUnknown(
iShellExtInitPtr, typeof(IShellExtInit)) as IShellExtInit;
try
{
iShellExtInit.Initialize(item.PIDL, IntPtr.Zero, 0);
Marshal.ReleaseComObject(iShellExtInit);
Marshal.Release(iShellExtInitPtr);
return(true);
}
finally
{
}
}
else
{
if (iContextMenu != null)
{
Marshal.ReleaseComObject(iContextMenu);
iContextMenu = null;
}
if (iContextMenuPtr != null)
{
Marshal.ReleaseComObject(iContextMenuPtr);
iContextMenuPtr = null;
}
return(false);
}
}
else
{
iContextMenuPtr = IntPtr.Zero;
iContextMenu = null;
return(false);
}
}
