private Boolean AppbarNew()
{
if (CallbackMessageID == 0)
{
throw new Exception("CallbackMessageID is 0");
}
if (IsAppbarMode)
{
return(true);
}
m_PrevSize = Size;
m_PrevLocation = Location;
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.hWnd = Handle;
msgData.uCallbackMessage = CallbackMessageID;
// install new appbar
UInt32 retVal = ShellApi.SHAppBarMessage((UInt32)AppBarMessages.New, ref msgData);
IsAppbarMode = (retVal != 0);
SizeAppBar();
return(IsAppbarMode);
}
public static Boolean DoAutoComplete(IntPtr hwndEdit, AutoCompleteFlags flags)
{
Int32 hRet;
hRet = ShellApi.SHAutoComplete(hwndEdit, (UInt32)flags);
return(hRet == 0);
}
private void AppbarGetTaskbarPos(out ShellApi.RECT taskRect)
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
// get taskbar position
ShellApi.SHAppBarMessage((UInt32)AppBarMessages.GetTaskBarPos, ref msgData);
taskRect = msgData.rc;
}
private void AppbarWindowPosChanged()
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.hWnd = Handle;
// send windowposchanged to the system
ShellApi.SHAppBarMessage((UInt32)AppBarMessages.WindowPosChanged, ref msgData);
}
private void AppbarActivate()
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.hWnd = Handle;
// send activate to the system
ShellApi.SHAppBarMessage((UInt32)AppBarMessages.Activate, ref msgData);
}
private void AppbarSetTaskbarState(AppBarStates state)
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.lParam = (Int32)state;
// set taskbar state
ShellApi.SHAppBarMessage((UInt32)AppBarMessages.SetState, ref msgData);
}
private AppBarStates AppbarGetTaskbarState()
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
// get taskbar state
UInt32 retVal = ShellApi.SHAppBarMessage((UInt32)AppBarMessages.GetState, ref msgData);
return((AppBarStates)retVal);
}
public static IMalloc GetMalloc()
{
IntPtr ptrRet;
ShellApi.SHGetMalloc(out ptrRet);
Object obj = Marshal.GetTypedObjectForIUnknown(ptrRet, GetMallocType());
IMalloc imalloc = (IMalloc)obj;
return(imalloc);
}
public static IShellFolder GetDesktopFolder()
{
IntPtr ptrRet;
ShellApi.SHGetDesktopFolder(out ptrRet);
Type shellFolderType = Type.GetType("ShellLib.IShellFolder");
Object obj = Marshal.GetTypedObjectForIUnknown(ptrRet, shellFolderType);
IShellFolder ishellFolder = (IShellFolder)obj;
return(ishellFolder);
}
private IntPtr AppbarGetAutoHideBar(AppBarEdges edge)
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.uEdge = (UInt32)edge;
// get auto hide
IntPtr retVal = (IntPtr)ShellApi.SHAppBarMessage((UInt32)AppBarMessages.GetAutoHideBar, ref msgData);
return(retVal);
}
private void AppbarSetPos(ref ShellApi.RECT appRect)
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.hWnd = Handle;
msgData.uEdge = (UInt32)m_Edge;
msgData.rc = appRect;
// set postion for the appbar
ShellApi.SHAppBarMessage((UInt32)AppBarMessages.SetPos, ref msgData);
appRect = msgData.rc;
}
public bool Execute()
{
int iRetVal;
iRetVal = (int)ShellApi.ShellExecute(
OwnerHandle,
Verb,
Path,
Parameters,
WorkingFolder,
(int)ShowMode);
return((iRetVal > 32) ? true : false);
}
private Boolean AppbarSetAutoHideBar(Boolean hideValue)
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.hWnd = Handle;
msgData.uEdge = (UInt32)m_Edge;
msgData.lParam = (hideValue) ? 1 : 0;
// set auto hide
UInt32 retVal = ShellApi.SHAppBarMessage((UInt32)AppBarMessages.SetAutoHideBar, ref msgData);
return((retVal != 0) ? true : false);
}
private Boolean AppbarRemove()
{
// prepare data structure of message
ShellApi.APPBARDATA msgData = new ShellApi.APPBARDATA();
msgData.cbSize = (UInt32)Marshal.SizeOf(msgData);
msgData.hWnd = Handle;
// remove appbar
UInt32 retVal = ShellApi.SHAppBarMessage((UInt32)AppBarMessages.Remove, ref msgData);
IsAppbarMode = false;
Size = m_PrevSize;
Location = m_PrevLocation;
return((retVal != 0) ? true : false);
}
public Int32 ShouldShow(
Object psf, // A pointer to the folder's IShellFolder interface.
IntPtr pidlFolder, // The folder's PIDL.
IntPtr pidlItem) // The item's PIDL.
{
// check extension, and if not ok return 1 (S_FALSE)
// get display name of item
IShellFolder isf = (IShellFolder)psf;
ShellApi.STRRET ptrDisplayName;
isf.GetDisplayNameOf(pidlItem, (uint)ShellApi.SHGNO.SHGDN_NORMAL | (uint)ShellApi.SHGNO.SHGDN_FORPARSING,
out ptrDisplayName);
String sDisplay;
ShellApi.StrRetToBSTR(ref ptrDisplayName, (IntPtr)0, out sDisplay);
// check if item is file or folder
IntPtr[] aPidl = new IntPtr[1];
aPidl[0] = pidlItem;
uint Attrib;
Attrib = (uint)ShellApi.SFGAO.SFGAO_FOLDER;
int temp;
temp = isf.GetAttributesOf(1, aPidl, ref Attrib);
// if item is a folder, accept
if ((Attrib & (uint)ShellApi.SFGAO.SFGAO_FOLDER) == (uint)ShellApi.SFGAO.SFGAO_FOLDER)
{
return(0);
}
// if item is file, check if it has a valid extension
for (int i = 0; i < ValidExtension.Length; i++)
{
if (sDisplay.ToUpper().EndsWith("." + ValidExtension[i].ToUpper()))
{
return(0);
}
}
return(1);
}
public bool DoOperation()
{
ShellApi.SHFILEOPSTRUCT FileOpStruct = new ShellApi.SHFILEOPSTRUCT();
FileOpStruct.hwnd = OwnerWindow;
FileOpStruct.wFunc = (uint)Operation;
String multiSource = StringArrayToMultiString(SourceFiles);
String multiDest = StringArrayToMultiString(DestFiles);
FileOpStruct.pFrom = Marshal.StringToHGlobalUni(multiSource);
FileOpStruct.pTo = Marshal.StringToHGlobalUni(multiDest);
FileOpStruct.fFlags = (ushort)OperationFlags;
FileOpStruct.lpszProgressTitle = ProgressTitle;
FileOpStruct.fAnyOperationsAborted = 0;
FileOpStruct.hNameMappings = IntPtr.Zero;
int RetVal;
RetVal = ShellApi.SHFileOperation(ref FileOpStruct);
ShellApi.SHChangeNotify(
(uint)ShellChangeNotificationEvents.SHCNE_ALLEVENTS,
(uint)ShellChangeNotificationFlags.SHCNF_DWORD,
IntPtr.Zero,
IntPtr.Zero);
if (RetVal != 0)
{
return(false);
}
if (FileOpStruct.fAnyOperationsAborted != 0)
{
return(false);
}
return(true);
}
public void ShowDialog()
{
m_FullName = "";
m_DisplayName = "";
// Get shell's memory allocator, it is needed to free some memory later
IMalloc pMalloc;
pMalloc = ShellFunctions.GetMalloc();
IntPtr pidlRoot;
if (RootType == RootTypeOptions.BySpecialFolder)
{
ShellApi.SHGetFolderLocation(hwndOwner, (int)RootSpecialFolder, UserToken, 0, out pidlRoot);
}
else // m_RootType = RootTypeOptions.ByPath
{
uint iAttribute;
ShellApi.SHParseDisplayName(RootPath, IntPtr.Zero, out pidlRoot, 0, out iAttribute);
}
ShellApi.BROWSEINFO bi = new ShellApi.BROWSEINFO();
bi.hwndOwner = hwndOwner;
bi.pidlRoot = pidlRoot;
bi.pszDisplayName = new String(' ', 256);
bi.lpszTitle = Title;
bi.ulFlags = (uint)DetailsFlags;
bi.lParam = 0;
bi.lpfn = new ShellApi.BrowseCallbackProc(myBrowseCallbackProc);
// Show dialog
IntPtr pidlSelected;
pidlSelected = ShellApi.SHBrowseForFolder(ref bi);
// Save the display name
m_DisplayName = bi.pszDisplayName;
IShellFolder isf = ShellFunctions.GetDesktopFolder();
ShellApi.STRRET ptrDisplayName;
isf.GetDisplayNameOf(pidlSelected, (uint)ShellApi.SHGNO.SHGDN_NORMAL | (uint)ShellApi.SHGNO.SHGDN_FORPARSING,
out ptrDisplayName);
String sDisplay;
ShellApi.StrRetToBSTR(ref ptrDisplayName, pidlRoot, out sDisplay);
m_FullName = sDisplay;
if (pidlRoot != IntPtr.Zero)
{
pMalloc.Free(pidlRoot);
}
if (pidlSelected != IntPtr.Zero)
{
pMalloc.Free(pidlSelected);
}
Marshal.ReleaseComObject(isf);
Marshal.ReleaseComObject(pMalloc);
}
private UInt32 RegisterCallbackMessage()
{
String uniqueMessageString = Guid.NewGuid().ToString();
return(ShellApi.RegisterWindowMessage(uniqueMessageString));
}
public static void ClearList()
{
ShellApi.SHAddToRecentDocs((uint)ShellAddRecentDocs.SHARD_PIDL, IntPtr.Zero);
}
public static void AddToList(String path)
{
ShellApi.SHAddToRecentDocs((uint)ShellAddRecentDocs.SHARD_PATHW, path);
}
