internal ShellItem(ShellBrowserComponent browser, IntPtr pidl, IntPtr shellFolderPtr) { this.browser = browser; this.shellFolderPtr = shellFolderPtr; this.shellFolder = (IShellFolder)Marshal.GetTypedObjectForIUnknown(shellFolderPtr, typeof(IShellFolder)); subFiles = new ShellItemCollection(this); subFolders = new ShellItemCollection(this); pidlRel = new PIDL(pidl, false); text = "Desktop"; path = "Desktop"; SetAttributesDesktop(this); NativeShellAPI.SHFILEINFO info = new NativeShellAPI.SHFILEINFO(); NativeShellAPI.SHGetFileInfo(pidlRel.Ptr, 0, ref info, NativeShellAPI.cbFileInfo, NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.TYPENAME | NativeShellAPI.SHGFI.SYSICONINDEX); type = info.szTypeName; ShellImageList.SetIconIndex(this, info.iIcon, false); ShellImageList.SetIconIndex(this, info.iIcon, true); sortFlag = 1; }
static ShellImageList() { imageTable = new Hashtable(); NativeShellAPI.SHGFI flag = NativeShellAPI.SHGFI.USEFILEATTRIBUTES | NativeShellAPI.SHGFI.SYSICONINDEX | NativeShellAPI.SHGFI.SMALLICON; NativeShellAPI.SHFILEINFO shfiSmall = new NativeShellAPI.SHFILEINFO(); smallImageListHandle = NativeShellAPI.SHGetFileInfo(".txt", NativeShellAPI.FILE_ATTRIBUTE.NORMAL, ref shfiSmall, NativeShellAPI.cbFileInfo, flag); flag = NativeShellAPI.SHGFI.USEFILEATTRIBUTES | NativeShellAPI.SHGFI.SYSICONINDEX | NativeShellAPI.SHGFI.LARGEICON; NativeShellAPI.SHFILEINFO shfiLarge = new NativeShellAPI.SHFILEINFO(); largeImageListHandle = NativeShellAPI.SHGetFileInfo(".txt", NativeShellAPI.FILE_ATTRIBUTE.NORMAL, ref shfiLarge, NativeShellAPI.cbFileInfo, flag); }
private void InitVars() { IntPtr tempPidl; NativeShellAPI.SHFILEINFO info; //My Computer info = new NativeShellAPI.SHFILEINFO(); tempPidl = IntPtr.Zero; NativeShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, NativeShellAPI.CSIDL.DRIVES, out tempPidl); NativeShellAPI.SHGetFileInfo(tempPidl, 0, ref info, NativeShellAPI.cbFileInfo, NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.DISPLAYNAME | NativeShellAPI.SHGFI.TYPENAME); sysfolderName = info.szTypeName; mycompName = info.szDisplayName; Marshal.FreeCoTaskMem(tempPidl); // //Dekstop tempPidl = IntPtr.Zero; NativeShellAPI.SHGetSpecialFolderLocation(IntPtr.Zero, NativeShellAPI.CSIDL.DESKTOP, out tempPidl); IntPtr desktopFolderPtr; NativeShellAPI.SHGetDesktopFolder(out desktopFolderPtr); desktopItem = new ShellItem(this, tempPidl, desktopFolderPtr); // //My Documents uint pchEaten = 0; NativeShellAPI.SFGAO pdwAttributes = 0; desktopItem.ShellFolder.ParseDisplayName( IntPtr.Zero, IntPtr.Zero, "::{450d8fba-ad25-11d0-98a8-0800361b1103}", ref pchEaten, out tempPidl, ref pdwAttributes); info = new NativeShellAPI.SHFILEINFO(); NativeShellAPI.SHGetFileInfo(tempPidl, 0, ref info, NativeShellAPI.cbFileInfo, NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.DISPLAYNAME); mydocsName = info.szDisplayName; Marshal.FreeCoTaskMem(tempPidl); StringBuilder path = new StringBuilder(NativeShellAPI.MAX_PATH); NativeShellAPI.SHGetFolderPath( IntPtr.Zero, NativeShellAPI.CSIDL.PERSONAL, IntPtr.Zero, NativeShellAPI.SHGFP.TYPE_CURRENT, path); mydocsPath = path.ToString(); // }
internal static void SetIconIndex(ShellItem item, int index, bool SelectedIcon) { bool HasOverlay = false; //true if it's an overlay int rVal = 0; //The returned Index NativeShellAPI.SHGFI dwflag = NativeShellAPI.SHGFI.SYSICONINDEX | NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.ICON; NativeShellAPI.FILE_ATTRIBUTE dwAttr = 0; //build Key into HashTable for this Item int Key = index * 256; if (item.IsLink) { Key = Key | 1; dwflag = dwflag | NativeShellAPI.SHGFI.LINKOVERLAY; HasOverlay = true; } if (item.IsShared) { Key = Key | 2; dwflag = dwflag | NativeShellAPI.SHGFI.ADDOVERLAYS; HasOverlay = true; } if (SelectedIcon) { Key = Key | 4; dwflag = dwflag | NativeShellAPI.SHGFI.OPENICON; HasOverlay = true; //not really an overlay, but handled the same } if (imageTable.ContainsKey(Key)) { rVal = (int)imageTable[Key]; } else if (!HasOverlay && !item.IsHidden) //for non-overlay icons, we already have { rVal = (int)System.Math.Floor((double)Key / 256); // the right index -- put in table imageTable[Key] = rVal; } else //don't have iconindex for an overlay, get it. { if (item.IsFileSystem & !item.IsDisk & !item.IsFolder) { dwflag = dwflag | NativeShellAPI.SHGFI.USEFILEATTRIBUTES; dwAttr = dwAttr | NativeShellAPI.FILE_ATTRIBUTE.NORMAL; } PIDL pidlFull = item.PIDLFull; NativeShellAPI.SHFILEINFO shfiSmall = new NativeShellAPI.SHFILEINFO(); NativeShellAPI.SHGetFileInfo(pidlFull.Ptr, dwAttr, ref shfiSmall, NativeShellAPI.cbFileInfo, dwflag | NativeShellAPI.SHGFI.SMALLICON); NativeShellAPI.SHFILEINFO shfiLarge = new NativeShellAPI.SHFILEINFO(); NativeShellAPI.SHGetFileInfo(pidlFull.Ptr, dwAttr, ref shfiLarge, NativeShellAPI.cbFileInfo, dwflag | NativeShellAPI.SHGFI.LARGEICON); Marshal.FreeCoTaskMem(pidlFull.Ptr); lock (imageTable) { rVal = NativeShellAPI.ImageList_ReplaceIcon(smallImageListHandle, -1, shfiSmall.hIcon); NativeShellAPI.ImageList_ReplaceIcon(largeImageListHandle, -1, shfiLarge.hIcon); } NativeShellAPI.DestroyIcon(shfiSmall.hIcon); NativeShellAPI.DestroyIcon(shfiLarge.hIcon); imageTable[Key] = rVal; } if (SelectedIcon) item.SelectedImageIndex = rVal; else item.ImageIndex = rVal; }
private static void SetInfo(ShellItem item) { PIDL pidlFull = item.PIDLFull; NativeShellAPI.SHFILEINFO info = new NativeShellAPI.SHFILEINFO(); NativeShellAPI.SHGetFileInfo(pidlFull.Ptr, 0, ref info, NativeShellAPI.cbFileInfo, NativeShellAPI.SHGFI.PIDL | NativeShellAPI.SHGFI.TYPENAME | NativeShellAPI.SHGFI.SYSICONINDEX); pidlFull.Free(); ShellImageList.SetIconIndex(item, info.iIcon, false); ShellImageList.SetIconIndex(item, info.iIcon, true); item.type = info.szTypeName; }
/// <summary> /// This method uses SHGetFileInfo to check whether a path to a directory exists. /// </summary> /// <param name="path">The path to check</param> /// <returns>true if it exists, false otherwise</returns> private bool PathExists(string path) { string realPath = ConvertPath(path); if (string.IsNullOrEmpty(realPath)) return false; else if (string.Compare(path, "desktop", true) == 0) return true; string[] pathParts = realPath.Split('\\'); for (int i = 0; i < pathParts.Length; i++) { bool found = false; if (ShellBrowserComponent.DesktopItem.SubFolders.Contains(pathParts[i])) { pathParts[i] = ShellItem.GetRealPath( ShellBrowserComponent.DesktopItem.SubFolders[pathParts[i]]); found = true; } else { ShellItem myComp = ShellBrowserComponent.DesktopItem.SubFolders[ShellBrowserComponent.MyComputerName]; if (myComp.SubFolders.Contains(pathParts[i])) { pathParts[i] = ShellItem.GetRealPath( myComp.SubFolders[pathParts[i]]); found = true; } } if (!found) break; } realPath = string.Join("\\", pathParts); if (realPath.EndsWith(":")) realPath += "\\"; NativeShellAPI.SHFILEINFO info = new NativeShellAPI.SHFILEINFO(); IntPtr ptr = NativeShellAPI.SHGetFileInfo(realPath, 0, ref info, NativeShellAPI.cbFileInfo, NativeShellAPI.SHGFI.DISPLAYNAME); bool exists = (ptr != IntPtr.Zero); Marshal.FreeCoTaskMem(ptr); return exists; }