SysCntxtMenu.cs

Description du code

SysCntxtMenu.cs est un fichier du projet BrolDev.
Ce fichier est situé dans /var/www/bin/sniplets/bibliobrol/broldev/src/.

Projet BrolDev : Librairie de composants réutilisables pour les applications BrolDev en CSharp.

Code source ou contenu du fichier

  1. using System;
  2. using System.Diagnostics;
  3. using System.IO;
  4. using System.Runtime.InteropServices;
  5.  
  6. namespace be.gaudry.model.win32
  7. {
  8. public class SysCntxtMenu
  9. {
  10. private SysCntxtMenu()
  11. {
  12. //
  13. // All static, no instances
  14. //
  15. }
  16.  
  17. // CreatePopupMenu
  18. [DllImport("user32.dll", EntryPoint = "CreatePopupMenu", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
  19. public static extern IntPtr CreatePopupMenu();
  20.  
  21. // MessageBeep
  22. [DllImport("User32", EntryPoint = "MessageBeep", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
  23. public static extern bool MessageBeep(int SoundType);
  24.  
  25. // TrackPopupMenu
  26. [DllImport("user32.dll", EntryPoint = "TrackPopupMenu", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
  27. public static extern int TrackPopupMenu(IntPtr hMenu, int wFlags, int x, int y, int nReserved, IntPtr hwnd, out Rect lprc);
  28.  
  29. // SHGetDesktopFolder
  30. [DllImport("shell32.dll", EntryPoint = "SHGetDesktopFolder", SetLastError = true, CallingConvention = CallingConvention.StdCall)]
  31. static extern void SHGetDesktopFolder(ref IShellFolder sf);
  32.  
  33. public const int MIN_SHELL_ID = 1;
  34. public const int MAX_SHELL_ID = 0x7FFF;
  35. //
  36. public const int TPM_RETURNCMD = 0x100;
  37. public const int TPM_LEFTALIGN = 0x0;
  38. //
  39. public const int SW_SHOWNORMAL = 1;
  40.  
  41. static int m_pidlCount = 0;
  42. static IntPtr[] m_ipList;
  43.  
  44. public static int MAKEINTRESOURCE(int res)
  45. {
  46. return 0x0000FFFF & res;
  47. }
  48.  
  49. public static int ShowContextMenu(IntPtr hwnd, string[] strFiles, int intX, int intY, bool blnErrorBeep)
  50. {
  51. CMINVOKECOMMANDINFO CI = new CMINVOKECOMMANDINFO();
  52.  
  53. DirectoryInfo dInfo;
  54.  
  55. FileInfo fInfo;
  56.  
  57. IContextMenu CM; // LPCONTEXTMENU
  58.  
  59. int cmdID; // LongBool
  60. int pchEaten = 0; // DWORD pchEaten;
  61. int dwAttributes = new int(); // ULONG
  62. int intZero = 0;
  63. int intCount;
  64.  
  65. IntPtr ipParent = new IntPtr(); // LPITEMIDLIST
  66. IntPtr ipChild = new IntPtr(); // LPITEMIDLIST
  67. IntPtr hMenu = new IntPtr(); // HMENU
  68. IntPtr ipPath = new IntPtr();
  69. IntPtr ipFileName = new IntPtr();
  70.  
  71. IShellFolder DesktopFolder = null; // IShellFolder
  72. IShellFolder ParentFolder = null; // IShellfolder ParentFolder
  73.  
  74. Rect mRect;
  75.  
  76. REFIID IID_IShellFolder = new REFIID("000214E6-0000-0000-c000-000000000046");
  77. REFIID IID_IContextMenu = new REFIID("000214E4-0000-0000-c000-000000000046");
  78.  
  79. string strFullName = "";
  80. string strFilePath = "";
  81. string strFileName = "";
  82. string strFQName = "";
  83.  
  84. m_pidlCount = 0;
  85.  
  86. for (intCount = 0; intCount <= strFiles.GetUpperBound(0); intCount++)
  87. {
  88. strFullName = strFiles[intCount];
  89.  
  90. fInfo = new FileInfo(strFullName);
  91.  
  92. if (fInfo.Exists)
  93. {
  94. strFilePath = fInfo.DirectoryName;
  95. strFileName = fInfo.Name;
  96. strFQName = fInfo.FullName;
  97. }
  98. else
  99. {
  100. dInfo = new DirectoryInfo(strFullName);
  101. if (dInfo.Exists)
  102. {
  103. try
  104. {
  105. strFileName = dInfo.Name;
  106. strFilePath = dInfo.Parent.FullName;
  107.  
  108. }
  109. catch
  110. {
  111. strFilePath = "";
  112. }
  113. }
  114. }
  115.  
  116. SHGetDesktopFolder(ref DesktopFolder);
  117.  
  118. // ParseDisplayName - parent
  119. // Translates a file object's or folder's display name into an item identifier list
  120. pchEaten = 1;
  121. dwAttributes = 0;
  122. ipParent = new IntPtr();
  123. DesktopFolder.ParseDisplayName(hwnd, IntPtr.Zero, strFilePath, ref pchEaten, ref ipParent, ref dwAttributes);
  124.  
  125. // BindToObject
  126. // Retrieves an IShellFolder object for a subfolder
  127. ParentFolder = null;
  128. DesktopFolder.BindToObject(ipParent, IntPtr.Zero, ref IID_IShellFolder, ref ParentFolder);
  129.  
  130. // ParseDisplayName - child
  131. // Translates a file object's or folder's display name into an item identifier list
  132. pchEaten = 1;
  133. dwAttributes = 0;
  134. ipChild = new IntPtr();
  135. ParentFolder.ParseDisplayName(hwnd, IntPtr.Zero, strFileName, ref pchEaten, ref ipChild, ref dwAttributes);
  136.  
  137. JAddItemToIDList(ipChild);
  138. }
  139.  
  140. CM = null;
  141.  
  142. int intReturn = ParentFolder.GetUIObjectOf(hwnd, m_pidlCount, ref m_ipList[0], ref IID_IContextMenu, out intZero, ref CM);
  143.  
  144. if (CM != null)
  145. {
  146. hMenu = CreatePopupMenu();
  147.  
  148. CM.QueryContextMenu(hMenu, 0, MIN_SHELL_ID, MAX_SHELL_ID, QueryContextMenuFlags.CMF_EXPLORE);
  149.  
  150. cmdID = TrackPopupMenu(hMenu, (TPM_RETURNCMD | TPM_LEFTALIGN), intX, intY, 0, hwnd, out mRect);
  151.  
  152. if (cmdID != 0)
  153. {
  154. CI.cbSize = Marshal.SizeOf(CI);
  155. CI.hwnd = hwnd;
  156. CI.lpVerb = (IntPtr)MAKEINTRESOURCE(cmdID - 1);
  157. CI.lpParameters = IntPtr.Zero;
  158. CI.lpDirectory = IntPtr.Zero;
  159. CI.nShow = SW_SHOWNORMAL;
  160. CM.InvokeCommand(ref CI);
  161. }
  162. }
  163. else
  164. {
  165. if (blnErrorBeep)
  166. MessageBeep(-1);
  167. }
  168. return 0;
  169. }
  170.  
  171. private static void JAddItemToIDList(IntPtr ipNew)
  172. {
  173. if (m_pidlCount == 0)
  174. {
  175. m_ipList = new IntPtr[1];
  176. m_ipList[0] = ipNew;
  177. m_pidlCount++;
  178. return;
  179. }
  180.  
  181. int intCount;
  182. IntPtr[] ipTemp = new IntPtr[m_pidlCount];
  183.  
  184. for (intCount = 0; intCount < m_pidlCount; intCount++)
  185. ipTemp[intCount] = m_ipList[intCount];
  186.  
  187. m_ipList = new IntPtr[m_pidlCount + 1];
  188.  
  189. for (intCount = 0; intCount < m_pidlCount; intCount++)
  190. m_ipList[intCount] = ipTemp[intCount];
  191.  
  192. m_ipList[intCount] = ipNew;
  193. m_pidlCount++;
  194. }
  195. }
  196.  
  197. [ComImport, Guid("00000000-0000-0000-c000-000000000046")]
  198. [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  199. public interface IUnknown
  200. {
  201. [PreserveSig]
  202. IntPtr QueryInterface(REFIID riid, out IntPtr pVoid);
  203.  
  204. [PreserveSig]
  205. IntPtr AddRef();
  206.  
  207. [PreserveSig]
  208. IntPtr Release();
  209. }
  210.  
  211. public struct Rect
  212. {
  213. public int left;
  214. public int top;
  215. public int right;
  216. public int bottom;
  217.  
  218. public int Width
  219. {
  220. get
  221. {
  222. return right - left;
  223. }
  224. }
  225.  
  226. public int Height
  227. {
  228. get
  229. {
  230. return bottom - top;
  231. }
  232. }
  233. }
  234.  
  235. [ComImport, Guid("000214E6-0000-0000-c000-000000000046")]
  236. [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  237. public interface IShellFolder
  238. {
  239. [PreserveSig]
  240. int ParseDisplayName(IntPtr hwnd, IntPtr pbc, string pszDisplayName, ref int pchEaten, ref IntPtr ppidl, ref int pdwAttributes);
  241.  
  242. [PreserveSig]
  243. int EnumObjects(IntPtr hWnd, ShellEnumFlags flags, ref IEnumIDList enumList);
  244.  
  245. [PreserveSig]
  246. int BindToObject(IntPtr idList, IntPtr bindingContext, ref REFIID refiid, ref IShellFolder folder);
  247.  
  248. [PreserveSig]
  249. int BindToStorage(ref IntPtr idList, IntPtr bindingContext, ref REFIID riid, IntPtr pVoid);
  250.  
  251. [PreserveSig]
  252. int CompareIDs(int lparam, IntPtr idList1, IntPtr idList2);
  253.  
  254. [PreserveSig]
  255. int CreateViewObject(IntPtr hWnd, REFIID riid, IntPtr pVoid);
  256.  
  257. [PreserveSig]
  258. int GetAttributesOf(int count, ref IntPtr idList, out GetAttributeOfFlags properties);
  259.  
  260. [PreserveSig]
  261. int GetUIObjectOf(IntPtr hwnd, int cidl, ref IntPtr apidl, ref REFIID riid, out int rgfReserved, ref IContextMenu ppv);
  262.  
  263. [PreserveSig]
  264. int GetDisplayNameOf(IntPtr idList, ShellGetDisplayNameOfFlags flags, ref STRRET strRet);
  265.  
  266. [PreserveSig]
  267. int SetNameOf(IntPtr hWnd, ref IntPtr idList, IntPtr pOLEString, int flags, ref IntPtr pItemIDList);
  268.  
  269. }
  270.  
  271. [ComImport, Guid("000214f2-0000-0000-c000-000000000046")]
  272. [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  273. public interface IEnumIDList
  274. {
  275. [PreserveSig]
  276. int Next(int count, ref IntPtr idList, out int fetched);
  277.  
  278. [PreserveSig]
  279. int Skip(int count);
  280.  
  281. [PreserveSig]
  282. int Reset();
  283.  
  284. [PreserveSig]
  285. int Clone(ref IEnumIDList list);
  286. }
  287.  
  288. [ComImport, Guid("000214e4-0000-0000-c000-000000000046")]
  289. [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
  290. public interface IContextMenu
  291. {
  292. [PreserveSig]
  293. int QueryContextMenu(IntPtr hMenu, int indexMenu, int idFirstCommand, int idLastCommand, QueryContextMenuFlags flags);
  294.  
  295. [PreserveSig]
  296. int InvokeCommand(ref CMINVOKECOMMANDINFO ici);
  297.  
  298. [PreserveSig]
  299. int GetCommandString(int idCommand, int type, int reserved, string commandName, int cchMax);
  300. }
  301.  
  302. [StructLayout(LayoutKind.Sequential)]
  303. public struct REFIID
  304. {
  305. public int x;
  306. public short s1;
  307. public short s2;
  308. [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 8)]
  309. public byte[] chars;
  310.  
  311. public REFIID(string guid)
  312. {
  313. // Needs to be a string of the form:
  314. // "000214E6-0000-0000-c000-000000000046"
  315. string[] data = guid.Split('-');
  316. Debug.Assert(data.Length == 5);
  317. x = Convert.ToInt32(data[0], 16);
  318. s1 = Convert.ToInt16(data[1], 16);
  319. s2 = Convert.ToInt16(data[2], 16);
  320. string bytesData = data[3] + data[4];
  321. chars = new byte[] { Convert.ToByte(bytesData.Substring(0,2), 16), Convert.ToByte(bytesData.Substring(2,2), 16),
  322. Convert.ToByte(bytesData.Substring(4,2), 16), Convert.ToByte(bytesData.Substring(6,2), 16),
  323. Convert.ToByte(bytesData.Substring(8,2), 16), Convert.ToByte(bytesData.Substring(10,2), 16),
  324. Convert.ToByte(bytesData.Substring(12,2), 16), Convert.ToByte(bytesData.Substring(14,2), 16) };
  325. }
  326.  
  327. }
  328.  
  329.  
  330. [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
  331. public struct STRRET
  332. {
  333. public STRRETFlags uType; // One of the STRRET values
  334. [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 1024)]
  335. public byte[] cStr;
  336. }
  337.  
  338. [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
  339. public struct CMINVOKECOMMANDINFO
  340. {
  341. public int cbSize; // sizeof(CMINVOKECOMMANDINFO)
  342. public int fMask; // any combination of CMIC_MASK_*
  343. public IntPtr hwnd; // might be NULL (indicating no owner window)
  344. public IntPtr lpVerb; // either a string or MAKEINTRESOURCE(idOffset)
  345. public IntPtr lpParameters; // might be NULL (indicating no parameter)
  346. public IntPtr lpDirectory; // might be NULL (indicating no specific directory)
  347. public int nShow; // one of SW_ values for ShowWindow() API
  348. public int dwHotKey;
  349. public IntPtr hIcon;
  350. }
  351.  
  352.  
  353. [StructLayout(LayoutKind.Sequential)]
  354. public struct SHITEMID
  355. {
  356. public short cb;
  357. [MarshalAs(System.Runtime.InteropServices.UnmanagedType.ByValArray, SizeConst = 1)]
  358. public byte[] abID;
  359. }
  360.  
  361. [StructLayout(LayoutKind.Sequential)]
  362. public struct ITEMIDLIST
  363. {
  364. public SHITEMID mkid;
  365. }
  366.  
  367. [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
  368. public struct POINT
  369. {
  370. public int x;
  371. public int y;
  372. };
  373.  
  374. [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
  375. public struct RECT
  376. {
  377. public int Left;
  378. public int Top;
  379. public int Right;
  380. public int Bottom;
  381. }
  382.  
  383. // Enums
  384. [Flags]
  385. public enum ShellEnumFlags
  386. {
  387. SHCONTF_FOLDERS = 32, // for shell browser
  388. SHCONTF_NONFOLDERS = 64, // for default view
  389. SHCONTF_INCLUDEHIDDEN = 128, // for hidden/system objects
  390. }
  391.  
  392. [Flags]
  393. public enum ShellGetDisplayNameOfFlags
  394. {
  395. SHGDN_NORMAL = 0, // default (display purpose)
  396. SHGDN_INFOLDER = 1, // displayed under a folder (relative)
  397. SHGDN_INCLUDE_NONFILESYS = 0x2000, // if not set, display names for shell name space items that are not in the file system will fail.
  398. SHGDN_FORADDRESSBAR = 0x4000, // for displaying in the address (drives dropdown) bar
  399. SHGDN_FORPARSING = 0x8000, // for ParseDisplayName or path
  400. }
  401.  
  402. [Flags]
  403. public enum STRRETFlags
  404. {
  405. STRRET_WSTR = 0x0000, // Use STRRET.pOleStr
  406. STRRET_OFFSET = 0x0001, // Use STRRET.uOffset to Ansi
  407. STRRET_CSTR = 0x0002 // Use STRRET.cStr
  408. }
  409.  
  410. [Flags]
  411. public enum GetAttributeOfFlags : long
  412. {
  413. DROPEFFECT_NONE = 0,
  414. DROPEFFECT_COPY = 1,
  415. DROPEFFECT_MOVE = 2,
  416. DROPEFFECT_LINK = 4,
  417. DROPEFFECT_SCROLL = 0x80000000,
  418. SFGAO_CANCOPY = DROPEFFECT_COPY, // Objects can be copied
  419. SFGAO_CANMOVE = DROPEFFECT_MOVE, // Objects can be moved
  420. SFGAO_CANLINK = DROPEFFECT_LINK, // Objects can be linked
  421. SFGAO_CANRENAME = 0x00000010, // Objects can be renamed
  422. SFGAO_CANDELETE = 0x00000020, // Objects can be deleted
  423. SFGAO_HASPROPSHEET = 0x00000040, // Objects have property sheets
  424. SFGAO_DROPTARGET = 0x00000100, // Objects are drop target
  425. SFGAO_CAPABILITYMASK = 0x00000177,
  426. SFGAO_LINK = 0x00010000, // Shortcut (link)
  427. SFGAO_SHARE = 0x00020000, // shared
  428. SFGAO_READONLY = 0x00040000, // read-only
  429. SFGAO_GHOSTED = 0x00080000, // ghosted icon
  430. SFGAO_HIDDEN = 0x00080000, // hidden object
  431. SFGAO_DISPLAYATTRMASK = 0x000F0000,
  432. SFGAO_FILESYSANCESTOR = 0x10000000, // It contains file system folder
  433. SFGAO_FOLDER = 0x20000000, // It's a folder.
  434. SFGAO_FILESYSTEM = 0x40000000, // is a file system thing (file/folder/root)
  435. SFGAO_HASSUBFOLDER = 0x80000000, // Expandable in the map pane
  436. SFGAO_CONTENTSMASK = 0x80000000,
  437. SFGAO_VALIDATE = 0x01000000, // invalidate cached information
  438. SFGAO_REMOVABLE = 0x02000000, // is this removeable media?
  439. SFGAO_COMPRESSED = 0x04000000, // Object is compressed (use alt color)
  440. SFGAO_BROWSABLE = 0x08000000, // is in-place browsable
  441. SFGAO_NONENUMERATED = 0x00100000, // is a non-enumerated object
  442. SFGAO_NEWCONTENT = 0x00200000 // should show bold in explorer tree
  443. }
  444.  
  445. public enum QueryContextMenuFlags : long
  446. {
  447. CMF_NORMAL = 0x00000000,
  448. CMF_DEFAULTONLY = 0x00000001,
  449. CMF_VERBSONLY = 0x00000002,
  450. CMF_EXPLORE = 0x00000004,
  451. CMF_NOVERBS = 0x00000008,
  452. CMF_CANRENAME = 0x00000010,
  453. CMF_NODEFAULT = 0x00000020,
  454. CMF_INCLUDESTATIC = 0x00000040,
  455. CMF_RESERVED = 0xffff0000
  456. }
  457. }

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Dokument erstellt 16/10/2009, zuletzt geändert 26/10/2018
Quelle des gedruckten Dokuments:https://www.gaudry.be/de/cs-broldev-source-rf-model/win32//SysCntxtMenu.cs.html

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