int IShellView.GetCurrentInfo(ref FOLDERSETTINGS pfs)
{
pfs = new FOLDERSETTINGS {fFlags = 0, ViewMode = FOLDERVIEWMODE.FVM_AUTO};
return WinError.S_OK;
}
int IShellBrowser.BrowseObject(IntPtr pidl, SBSP wFlags)
{
if (this.InvokeRequired)
{
AutoResetEvent theEvent = new AutoResetEvent(false);
int result = WinError.E_FAIL;
this.Invoke((Action)(() =>
{
result = ((IShellBrowser)this).BrowseObject(pidl, wFlags);
theEvent.Set();
}));
theEvent.WaitOne();
return result;
}
int hr;
IntPtr folderTmpPtr;
IShellFolder folderTmp;
IntPtr pidlTmp;
// We'll need the shell folder GUID.
var shellFolderGuid = typeof (IShellFolder).GUID;
var shellViewGuid = typeof (IShellView).GUID;
// Check to see if we have a desktop pidl, relative pidl or absolite pidl.
if (Shell32.ILIsEqual(pidl, desktopFolderPidl))
{
// The provided PIDL is the desktop folder.
pidlTmp = Shell32.ILClone(desktopFolderPidl);
folderTmp = desktopFolder;
}
else if ((wFlags & SBSP.SBSP_RELATIVE) != 0)
{
// SBSP_RELATIVE - pidl is relative from the current folder
if ((hr = currentFolder.BindToObject(pidl, IntPtr.Zero,
ref shellFolderGuid,
out folderTmpPtr)) != WinError.S_OK)
return hr;
pidlTmp = Shell32.ILCombine(currentAbsolutePidl, pidl);
folderTmp = (IShellFolder)Marshal.GetObjectForIUnknown(folderTmpPtr);
}
else
{
// SBSP_ABSOLUTE - pidl is an absolute pidl (relative from desktop)
pidlTmp = Shell32.ILClone(pidl);
if ((hr = desktopFolder.BindToObject(pidlTmp, IntPtr.Zero,
ref shellFolderGuid,
out folderTmpPtr)) != WinError.S_OK)
return hr;
folderTmp = (IShellFolder)Marshal.GetObjectForIUnknown(folderTmpPtr);
}
if (folderTmp == null)
{
Shell32.ILFree(pidlTmp);
return WinError.E_FAIL;
}
// Check that we have a new pidl
if (Shell32.ILIsEqual(pidlTmp, currentAbsolutePidl))
{
Shell32.ILFree(pidlTmp);
return WinError.S_OK;
}
currentFolder = folderTmp;
FOLDERSETTINGS fs = new FOLDERSETTINGS();
IShellView lastIShellView = shellView;
if (lastIShellView != null)
lastIShellView.GetCurrentInfo(ref fs);
// Copy the old folder settings
else
{
fs = new FOLDERSETTINGS();
fs.fFlags = folderFlags;
fs.ViewMode = folderViewMode;
}
// Create the IShellView
IntPtr iShellViewPtr;
hr = folderTmp.CreateViewObject(Handle,
ref shellViewGuid, out iShellViewPtr);
if (hr == WinError.S_OK)
{
shellView = (IShellView)
Marshal.GetObjectForIUnknown(iShellViewPtr);
hWndListView = IntPtr.Zero;
RECT rc =
new RECT(0, 0,
ClientSize.Width,
ClientSize.Height);
int res;
try
{
// Create the actual list view.
res = shellView.CreateViewWindow( lastIShellView, ref fs,
this, ref rc, ref hWndListView);
}
catch (COMException)
{
return WinError.E_FAIL;
}
if (res < 0)
return WinError.E_FAIL;
// Release the old IShellView
if (lastIShellView != null)
{
lastIShellView.GetCurrentInfo(ref fs);
lastIShellView.UIActivate(SVUIA_STATUS.SVUIA_DEACTIVATE);
lastIShellView.DestroyViewWindow();
}
// Set focus to the IShellView
shellView.UIActivate(SVUIA_STATUS.SVUIA_ACTIVATE_FOCUS);
currentAbsolutePidl = pidlTmp;
}
return WinError.S_OK;
}
