Vývoj moderních aplikací na platformě Microsoft .NET

Je vyžadována podpora jazyka JavaScript

Některé stránky na tomto webu vyžadují podporu jazyka JavaScript. Váš webový prohlížeč jazyk JavaScript nepodporuje nebo jazyk JavaScript není povolen.

Chcete-li zjistit, zda webový prohlížeč podporuje jazyk JavaScript nebo jazyk JavaScript chcete povolit, přečtěte si nápovědu k vašemu webovému prohlížeči.


CommonDialogNativeMethods.cs

Download file

Toto je zdrojový kód souboru CommonDialogNativeMethods.cs

Helper Vista API imports and types for Common Dialogs.

using System;
using System.Runtime.InteropServices;

namespace IMP.Windows.Interop
{
    internal class CommonDialogNativeMethods
    {
        #region extern methods
        [DllImport("user32.dll", CharSet = CharSet.Auto, ExactSpelling = true)]
        public static extern IntPtr GetActiveWindow();

        [DllImport("shell32.dll", CharSet = CharSet.Unicode)]
        public static extern int SHCreateItemFromParsingName([MarshalAs(UnmanagedType.LPWStr)] string pszPath, IntPtr pbc, ref Guid riid, [MarshalAs(UnmanagedType.Interface)] out object ppv);
        #endregion

        #region Shell Enums
        [Flags]
        internal enum FOS : uint
        {
            FOS_OVERWRITEPROMPT = 0x00000002,
            FOS_STRICTFILETYPES = 0x00000004,
            FOS_NOCHANGEDIR = 0x00000008,
            FOS_PICKFOLDERS = 0x00000020,
            // Ensure that items returned are filesystem items.
            FOS_FORCEFILESYSTEM = 0x00000040,
            // Allow choosing items that have no storage.
            FOS_ALLNONSTORAGEITEMS = 0x00000080,
            FOS_NOVALIDATE = 0x00000100,
            FOS_ALLOWMULTISELECT = 0x00000200,
            FOS_PATHMUSTEXIST = 0x00000800,
            FOS_FILEMUSTEXIST = 0x00001000,
            FOS_CREATEPROMPT = 0x00002000,
            FOS_SHAREAWARE = 0x00004000,
            FOS_NOREADONLYRETURN = 0x00008000,
            FOS_NOTESTFILECREATE = 0x00010000,
            FOS_HIDEMRUPLACES = 0x00020000,
            FOS_HIDEPINNEDPLACES = 0x00040000,
            FOS_NODEREFERENCELINKS = 0x00100000,
            FOS_DONTADDTORECENT = 0x02000000,
            FOS_FORCESHOWHIDDEN = 0x10000000,
            FOS_DEFAULTNOMINIMODE = 0x20000000
        }

        internal enum SIGDN : uint
        {
            SIGDN_NORMALDISPLAY = 0x00000000,           // SHGDN_NORMAL
            SIGDN_PARENTRELATIVEPARSING = 0x80018001,   // SHGDN_INFOLDER | SHGDN_FORPARSING
            SIGDN_DESKTOPABSOLUTEPARSING = 0x80028000,  // SHGDN_FORPARSING
            SIGDN_PARENTRELATIVEEDITING = 0x80031001,   // SHGDN_INFOLDER | SHGDN_FOREDITING
            SIGDN_DESKTOPABSOLUTEEDITING = 0x8004c000,  // SHGDN_FORPARSING | SHGDN_FORADDRESSBAR
            SIGDN_FILESYSPATH = 0x80058000,             // SHGDN_FORPARSING
            SIGDN_URL = 0x80068000,                     // SHGDN_FORPARSING
            SIGDN_PARENTRELATIVEFORADDRESSBAR = 0x8007c001,     // SHGDN_INFOLDER | SHGDN_FORPARSING | SHGDN_FORADDRESSBAR
            SIGDN_PARENTRELATIVE = 0x80080001           // SHGDN_INFOLDER
        }

        internal enum SIATTRIBFLAGS
        {
            // if multiple items and the attirbutes together.
            SIATTRIBFLAGS_AND = 0x00000001,
            // if multiple items or the attributes together.
            SIATTRIBFLAGS_OR = 0x00000002,
            // Call GetAttributes directly on the 
            // ShellFolder for multiple attributes.
            SIATTRIBFLAGS_APPCOMPAT = 0x00000003,
        }

        internal enum FDE_SHAREVIOLATION_RESPONSE
        {
            FDESVR_DEFAULT = 0x00000000,
            FDESVR_ACCEPT = 0x00000001,
            FDESVR_REFUSE = 0x00000002
        }

        internal enum FDE_OVERWRITE_RESPONSE
        {
            FDEOR_DEFAULT = 0x00000000,
            FDEOR_ACCEPT = 0x00000001,
            FDEOR_REFUSE = 0x00000002
        }

        internal enum FDAP
        {
            FDAP_BOTTOM = 0x00000000,
            FDAP_TOP = 0x00000001,
        }

        [Flags]
        internal enum SFGAO : uint
        {
            /// <summary>
            /// The specified items can be copied.
            /// </summary>
            SFGAO_CANCOPY = 0x00000001,

            /// <summary>
            /// The specified items can be moved.
            /// </summary>
            SFGAO_CANMOVE = 0x00000002,

            /// <summary>
            /// Shortcuts can be created for the specified items. This flag has the same value as DROPEFFECT. 
            /// The normal use of this flag is to add a Create Shortcut item to the shortcut menu that is displayed 
            /// during drag-and-drop operations. However, SFGAO_CANLINK also adds a Create Shortcut item to the Microsoft 
            /// Windows Explorer's File menu and to normal shortcut menus. 
            /// If this item is selected, your application's IContextMenu::InvokeCommand is invoked with the lpVerb 
            /// member of the CMINVOKECOMMANDINFO structure set to "link." Your application is responsible for creating the link.
            /// </summary>
            SFGAO_CANLINK = 0x00000004,

            /// <summary>
            /// The specified items can be bound to an IStorage interface through IShellFolder::BindToObject.
            /// </summary>
            SFGAO_STORAGE = 0x00000008,

            /// <summary>
            /// The specified items can be renamed.
            /// </summary>
            SFGAO_CANRENAME = 0x00000010,

            /// <summary>
            /// The specified items can be deleted.
            /// </summary>
            SFGAO_CANDELETE = 0x00000020,

            /// <summary>
            /// The specified items have property sheets.
            /// </summary>
            SFGAO_HASPROPSHEET = 0x00000040,

            /// <summary>
            /// The specified items are drop targets.
            /// </summary>
            SFGAO_DROPTARGET = 0x00000100,

            /// <summary>
            /// This flag is a mask for the capability flags.
            /// </summary>
            SFGAO_CAPABILITYMASK = 0x00000177,

            /// <summary>
            /// Windows 7 and later. The specified items are system items.
            /// </summary>
            SFGAO_SYSTEM = 0x00001000,

            /// <summary>
            /// The specified items are encrypted.
            /// </summary>
            SFGAO_ENCRYPTED = 0x00002000,

            /// <summary>
            /// Indicates that accessing the object = through IStream or other storage interfaces, 
            /// is a slow operation. 
            /// Applications should avoid accessing items flagged with SFGAO_ISSLOW.
            /// </summary>
            SFGAO_ISSLOW = 0x00004000,

            /// <summary>
            /// The specified items are ghosted icons.
            /// </summary>
            SFGAO_GHOSTED = 0x00008000,

            /// <summary>
            /// The specified items are shortcuts.
            /// </summary>
            SFGAO_LINK = 0x00010000,

            /// <summary>
            /// The specified folder objects are shared.
            /// </summary>    
            SFGAO_SHARE = 0x00020000,

            /// <summary>
            /// The specified items are read-only. In the case of folders, this means 
            /// that new items cannot be created in those folders.
            /// </summary>
            SFGAO_READONLY = 0x00040000,

            /// <summary>
            /// The item is hidden and should not be displayed unless the 
            /// Show hidden files and folders option is enabled in Folder Settings.
            /// </summary>
            SFGAO_HIDDEN = 0x00080000,

            /// <summary>
            /// This flag is a mask for the display attributes.
            /// </summary>
            SFGAO_DISPLAYATTRMASK = 0x000FC000,

            /// <summary>
            /// The specified folders contain one or more file system folders.
            /// </summary>
            SFGAO_FILESYSANCESTOR = 0x10000000,

            /// <summary>
            /// The specified items are folders.
            /// </summary>
            SFGAO_FOLDER = 0x20000000,

            /// <summary>
            /// The specified folders or file objects are part of the file system 
            /// that is, they are files, directories, or root directories).
            /// </summary>
            SFGAO_FILESYSTEM = 0x40000000,

            /// <summary>
            /// The specified folders have subfolders = and are, therefore, 
            /// expandable in the left pane of Windows Explorer).
            /// </summary>
            SFGAO_HASSUBFOLDER = 0x80000000,

            /// <summary>
            /// This flag is a mask for the contents attributes.
            /// </summary>
            SFGAO_CONTENTSMASK = 0x80000000,

            /// <summary>
            /// When specified as input, SFGAO_VALIDATE instructs the folder to validate that the items 
            /// pointed to by the contents of apidl exist. If one or more of those items do not exist, 
            /// IShellFolder::GetAttributesOf returns a failure code. 
            /// When used with the file system folder, SFGAO_VALIDATE instructs the folder to discard cached 
            /// properties retrieved by clients of IShellFolder2::GetDetailsEx that may 
            /// have accumulated for the specified items.
            /// </summary>
            SFGAO_VALIDATE = 0x01000000,

            /// <summary>
            /// The specified items are on removable media or are themselves removable devices.
            /// </summary>
            SFGAO_REMOVABLE = 0x02000000,

            /// <summary>
            /// The specified items are compressed.
            /// </summary>
            SFGAO_COMPRESSED = 0x04000000,

            /// <summary>
            /// The specified items can be browsed in place.
            /// </summary>
            SFGAO_BROWSABLE = 0x08000000,

            /// <summary>
            /// The items are nonenumerated items.
            /// </summary>
            SFGAO_NONENUMERATED = 0x00100000,

            /// <summary>
            /// The objects contain new content.
            /// </summary>
            SFGAO_NEWCONTENT = 0x00200000,

            /// <summary>
            /// It is possible to create monikers for the specified file objects or folders.
            /// </summary>
            SFGAO_CANMONIKER = 0x00400000,

            /// <summary>
            /// Not supported.
            /// </summary>
            SFGAO_HASSTORAGE = 0x00400000,

            /// <summary>
            /// Indicates that the item has a stream associated with it that can be accessed 
            /// by a call to IShellFolder::BindToObject with IID_IStream in the riid parameter.
            /// </summary>
            SFGAO_STREAM = 0x00400000,

            /// <summary>
            /// Children of this item are accessible through IStream or IStorage. 
            /// Those children are flagged with SFGAO_STORAGE or SFGAO_STREAM.
            /// </summary>
            SFGAO_STORAGEANCESTOR = 0x00800000,

            /// <summary>
            /// This flag is a mask for the storage capability attributes.
            /// </summary>
            SFGAO_STORAGECAPMASK = 0x70C50008,

            /// <summary>
            /// Mask used by PKEY_SFGAOFlags to remove certain values that are considered 
            /// to cause slow calculations or lack context. 
            /// Equal to SFGAO_VALIDATE | SFGAO_ISSLOW | SFGAO_HASSUBFOLDER.
            /// </summary>
            SFGAO_PKEYSFGAOMASK = 0x81044000,
        }
        #endregion

        #region Shell Structs
        [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
        internal struct COMDLG_FILTERSPEC
        {
            [MarshalAs(UnmanagedType.LPWStr)]
            internal string pszName;
            [MarshalAs(UnmanagedType.LPWStr)]
            internal string pszSpec;

            internal COMDLG_FILTERSPEC(string name, string spec)
            {
                pszName = name;
                pszSpec = spec;
            }
        }
        #endregion
    }
}