Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / WinForms / Managed / System / WinForms / FileDialog.cs / 2 / FileDialog.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Windows.Forms {
using System.Text;
using System.Threading;
using System.Runtime.Remoting;
using System.Runtime.InteropServices;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
using System;
using System.Security.Permissions;
using System.Drawing;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;
using ArrayList = System.Collections.ArrayList;
using Encoding = System.Text.Encoding;
using Microsoft.Win32;
using System.Security;
using CharBuffer = System.Windows.Forms.UnsafeNativeMethods.CharBuffer;
///
///
/// Displays a dialog window from which the user can select a file.
///
///
[
DefaultEvent("FileOk"),
DefaultProperty("FileName")
]
public abstract partial class FileDialog : CommonDialog {
private const int FILEBUFSIZE = 8192;
///
/// [To be supplied.]
///
///
///
/// In an inherited class,
/// initializes a new instance of the
///
[
SuppressMessage("Microsoft.Usage", "CA2214:DoNotCallOverridableMethodsInConstructors") // If the constructor does not call Reset
// it would be a breaking change.
]
internal FileDialog() {
Reset();
}
///
///
/// Gets or sets a value indicating whether the
/// dialog box automatically adds an extension to a
/// file name if the user omits the extension.
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(true),
SRDescription(SR.FDaddExtensionDescr)
]
public bool AddExtension {
get {
return GetOption(OPTION_ADDEXTENSION);
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
SetOption(OPTION_ADDEXTENSION, value);
}
}
///
/// Gets or sets a value indicating whether
/// the dialog box displays a warning if the user specifies a file name that does not exist.
///
[
SRCategory(SR.CatBehavior),
DefaultValue(false),
SRDescription(SR.FDcheckFileExistsDescr)
]
public virtual bool CheckFileExists {
get {
return GetOption(NativeMethods.OFN_FILEMUSTEXIST);
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
SetOption(NativeMethods.OFN_FILEMUSTEXIST, value);
}
}
///
///
/// Gets or sets a value indicating whether the
/// dialog box displays a warning if the user specifies a path that does not exist.
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(true),
SRDescription(SR.FDcheckPathExistsDescr)
]
public bool CheckPathExists {
get {
return GetOption(NativeMethods.OFN_PATHMUSTEXIST);
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
SetOption(NativeMethods.OFN_PATHMUSTEXIST, value);
}
}
///
///
/// Gets or sets the default file extension.
///
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(""),
SRDescription(SR.FDdefaultExtDescr)
]
public string DefaultExt {
get {
return defaultExt == null? "": defaultExt;
}
set {
if (value != null) {
if (value.StartsWith("."))
value = value.Substring(1);
else if (value.Length == 0)
value = null;
}
defaultExt = value;
}
}
///
///
/// Gets or sets a value
/// indicating whether the dialog box returns the location of the file referenced by the shortcut or
/// whether it returns the location of the shortcut (.lnk).
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(true),
SRDescription(SR.FDdereferenceLinksDescr)
]
public bool DereferenceLinks {
get {
return !GetOption(NativeMethods.OFN_NODEREFERENCELINKS);
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
SetOption(NativeMethods.OFN_NODEREFERENCELINKS, !value);
}
}
internal string DialogCaption {
get {
int textLen = SafeNativeMethods.GetWindowTextLength(new HandleRef(this, dialogHWnd));
StringBuilder sb = new StringBuilder(textLen+1);
UnsafeNativeMethods.GetWindowText(new HandleRef(this, dialogHWnd), sb, sb.Capacity);
return sb.ToString();
}
}
///
///
/// Gets
/// or sets a string containing
/// the file name selected in the file dialog box.
///
///
[
SRCategory(SR.CatData),
DefaultValue(""),
SRDescription(SR.FDfileNameDescr)
]
public string FileName {
get {
if (fileNames == null) {
return "";
}
else {
if (fileNames[0].Length > 0) {
// See if we need to perform a security check on file names. We need
// to do this if the set of file names was provided by the file dialog.
// A developer can set file names through the FileDialog API as well,
// but we don't need to check those since the developer can provide any
// name s/he wants. This is important because it is otherwise possible
// to get the FileName property to accept garbage, but throw during get.
if (securityCheckFileNames) {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileIO(" + fileNames[0] + ") Demanded");
IntSecurity.DemandFileIO(FileIOPermissionAccess.AllAccess, fileNames[0]);
}
return fileNames[0];
}
else {
return "";
}
}
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
if (value == null) {
fileNames = null;
}
else {
fileNames = new string[] {value};
}
// As the developer has called this API and set the file name with an arbitrary value,
// we do not need to perform a security check on the name.
securityCheckFileNames = false;
}
}
///
///
/// Gets the file
/// names of all selected files in the dialog box.
///
///
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
SRDescription(SR.FDFileNamesDescr)
]
public string[] FileNames {
get{
string[] files = FileNamesInternal;
// See if we need to perform a security check on file names. We need
// to do this if the set of file names was provided by the file dialog.
// A developer can set file names through the FileDialog API as well,
// but we don't need to check those since the developer can provide any
// name s/he wants. This is important because it is otherwise possible
// to get the FileName property to accept garbage, but throw during get.
if (securityCheckFileNames) {
foreach (string file in files) {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileIO(" + file + ") Demanded");
IntSecurity.DemandFileIO(FileIOPermissionAccess.AllAccess, file);
}
}
return files;
}
}
internal string[] FileNamesInternal {
get {
if (fileNames == null) {
return new string[0];
}
else {
return(string[])fileNames.Clone();
}
}
}
///
///
/// Gets
/// or sets the current file name filter string,
/// which determines the choices that appear in the "Save as file type" or
/// "Files of type" box in the dialog box.
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(""),
Localizable(true),
SRDescription(SR.FDfilterDescr)
]
public string Filter {
get {
return filter == null? "": filter;
}
set {
if (value != filter) {
if (value != null && value.Length > 0) {
string[] formats = value.Split('|');
if (formats == null || formats.Length % 2 != 0) {
throw new ArgumentException(SR.GetString(SR.FileDialogInvalidFilter));
}
}
else {
value = null;
}
filter = value;
}
}
}
///
/// Extracts the file extensions specified by the current file filter into
/// an array of strings. None of the extensions contain .'s, and the
/// default extension is first.
///
private string[] FilterExtensions {
get {
string filter = this.filter;
ArrayList extensions = new ArrayList();
// First extension is the default one. It's a little strange if DefaultExt
// is not in the filters list, but I guess it's legal.
if (defaultExt != null)
extensions.Add(defaultExt);
if (filter != null) {
string[] tokens = filter.Split('|');
if ((filterIndex * 2) - 1 >= tokens.Length) {
throw new InvalidOperationException(SR.GetString(SR.FileDialogInvalidFilterIndex));
}
if (filterIndex > 0) {
string[] exts = tokens[(filterIndex * 2) - 1].Split(';');
foreach (string ext in exts) {
int i = this.supportMultiDottedExtensions ? ext.IndexOf('.') : ext.LastIndexOf('.');
if (i >= 0) {
extensions.Add(ext.Substring(i + 1, ext.Length - (i + 1)));
}
}
}
}
string[] temp = new string[extensions.Count];
extensions.CopyTo(temp, 0);
return temp;
}
}
///
///
/// Gets or sets the index of the filter currently selected in the file dialog box.
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(1),
SRDescription(SR.FDfilterIndexDescr)
]
public int FilterIndex {
get {
return filterIndex;
}
set {
filterIndex = value;
}
}
///
///
/// Gets or sets the initial directory displayed by the file dialog
/// box.
///
///
[
SRCategory(SR.CatData),
DefaultValue(""),
SRDescription(SR.FDinitialDirDescr)
]
public string InitialDirectory {
get {
return initialDir == null? "": initialDir;
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
initialDir = value;
}
}
///
///
/// Gets the Win32 instance handle for the application.
///
///
/* SECURITYUNDONE : should require EventQueue permission */
protected virtual IntPtr Instance {
[
SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode),
SecurityPermission(SecurityAction.InheritanceDemand, Flags=SecurityPermissionFlag.UnmanagedCode)
]
get { return UnsafeNativeMethods.GetModuleHandle(null); }
}
///
///
/// Gets the Win32 common Open File Dialog OFN_* option flags.
///
///
protected int Options {
get {
return options & (NativeMethods.OFN_READONLY | NativeMethods.OFN_HIDEREADONLY |
NativeMethods.OFN_NOCHANGEDIR | NativeMethods.OFN_SHOWHELP | NativeMethods.OFN_NOVALIDATE |
NativeMethods.OFN_ALLOWMULTISELECT | NativeMethods.OFN_PATHMUSTEXIST |
NativeMethods.OFN_NODEREFERENCELINKS);
}
}
///
///
/// Gets or sets a value indicating whether the dialog box restores the current directory before
/// closing.
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(false),
SRDescription(SR.FDrestoreDirectoryDescr)
]
public bool RestoreDirectory {
get {
return GetOption(NativeMethods.OFN_NOCHANGEDIR);
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
SetOption(NativeMethods.OFN_NOCHANGEDIR, value);
}
}
///
///
/// Gets or sets a value indicating
/// whether whether the Help button is displayed in the file dialog.
///
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(false),
SRDescription(SR.FDshowHelpDescr)
]
public bool ShowHelp {
get {
return GetOption(NativeMethods.OFN_SHOWHELP);
}
set {
SetOption(NativeMethods.OFN_SHOWHELP, value);
}
}
///
///
/// Gets or sets whether def or abc.def is the extension of the file filename.abc.def
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(false),
SRDescription(SR.FDsupportMultiDottedExtensionsDescr)
]
public bool SupportMultiDottedExtensions
{
get
{
return this.supportMultiDottedExtensions;
}
set
{
this.supportMultiDottedExtensions = value;
}
}
///
///
/// Gets or sets the file dialog box title.
///
///
[
SRCategory(SR.CatAppearance),
DefaultValue(""),
Localizable(true),
SRDescription(SR.FDtitleDescr)
]
public string Title {
get {
return title == null? "": title;
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
title = value;
}
}
///
///
/// Gets or sets a value indicating whether the dialog box accepts only valid
/// Win32 file names.
///
///
[
SRCategory(SR.CatBehavior),
DefaultValue(true),
SRDescription(SR.FDvalidateNamesDescr)
]
public bool ValidateNames {
get {
return !GetOption(NativeMethods.OFN_NOVALIDATE);
}
set {
Debug.WriteLineIf(IntSecurity.SecurityDemand.TraceVerbose, "FileDialogCustomization Demanded");
IntSecurity.FileDialogCustomization.Demand();
SetOption(NativeMethods.OFN_NOVALIDATE, !value);
}
}
///
///
/// Occurs when the user clicks on the Open or Save button on a file dialog
/// box.
///
///
///
/// For information about handling events, see
///
///
[SRDescription(SR.FDfileOkDescr)]
public event CancelEventHandler FileOk {
add {
Events.AddHandler(EventFileOk, value);
}
remove {
Events.RemoveHandler(EventFileOk, value);
}
}
///
/// Processes the CDN_FILEOK notification.
///
private bool DoFileOk(IntPtr lpOFN) {
NativeMethods.OPENFILENAME_I ofn = (NativeMethods.OPENFILENAME_I)UnsafeNativeMethods.PtrToStructure(lpOFN, typeof(NativeMethods.OPENFILENAME_I));
int saveOptions = options;
int saveFilterIndex = filterIndex;
string[] saveFileNames = fileNames;
bool saveSecurityCheckFileNames = securityCheckFileNames;
bool ok = false;
try {
options = options & ~NativeMethods.OFN_READONLY |
ofn.Flags & NativeMethods.OFN_READONLY;
filterIndex = ofn.nFilterIndex;
charBuffer.PutCoTaskMem(ofn.lpstrFile);
// We are filling in the file names list with secure
// data. Any access to this list now will require
// a security demand. We set this bit before actually
// setting the names; otherwise a thread race could
// expose them.
securityCheckFileNames = true;
Thread.MemoryBarrier();
if ((options & NativeMethods.OFN_ALLOWMULTISELECT) == 0) {
fileNames = new string[] {charBuffer.GetString()};
}
else {
fileNames = GetMultiselectFiles(charBuffer);
}
if (ProcessFileNames()) {
CancelEventArgs ceevent = new CancelEventArgs();
if (NativeWindow.WndProcShouldBeDebuggable) {
OnFileOk(ceevent);
ok = !ceevent.Cancel;
}
else {
try
{
OnFileOk(ceevent);
ok = !ceevent.Cancel;
}
catch (Exception e)
{
Application.OnThreadException(e);
}
}
}
}
finally {
if (!ok) {
securityCheckFileNames = saveSecurityCheckFileNames;
Thread.MemoryBarrier();
fileNames = saveFileNames;
options = saveOptions;
filterIndex = saveFilterIndex;
}
}
return ok;
}
/// SECREVIEW: ReviewImperativeSecurity
/// vulnerability to watch out for: A method uses imperative security and might be constructing the permission using state information or return values that can change while the demand is active.
/// reason for exclude: filename is a local variable and not subject to race conditions.
[SuppressMessage("Microsoft.Security", "CA2103:ReviewImperativeSecurity")]
internal static bool FileExists(string fileName)
{
bool fileExists = false;
try {
// SECREVIEW : We must Assert just to check if the file exists. Since
// : we are doing this as part of the FileDialog, this is OK.
new FileIOPermission(FileIOPermissionAccess.Read, IntSecurity.UnsafeGetFullPath(fileName)).Assert();
try {
fileExists = File.Exists(fileName);
}
finally {
CodeAccessPermission.RevertAssert();
}
}
catch (System.IO.PathTooLongException) {
}
return fileExists;
}
///
/// Extracts the filename(s) returned by the file dialog.
///
private string[] GetMultiselectFiles(CharBuffer charBuffer) {
string directory = charBuffer.GetString();
string fileName = charBuffer.GetString();
if (fileName.Length == 0) return new string[] {
directory
};
if (directory[directory.Length - 1] != '\\') {
directory = directory + "\\";
}
ArrayList names = new ArrayList();
do {
if (fileName[0] != '\\' && (fileName.Length <= 3 ||
fileName[1] != ':' || fileName[2] != '\\')) {
fileName = directory + fileName;
}
names.Add(fileName);
fileName = charBuffer.GetString();
} while (fileName.Length > 0);
string[] temp = new string[names.Count];
names.CopyTo(temp, 0);
return temp;
}
///
/// Returns the state of the given option flag.
///
///
///
/// Defines the common dialog box hook procedure that is overridden to add
/// specific functionality to the file dialog box.
///
///
[SecurityPermission(SecurityAction.LinkDemand, Flags=SecurityPermissionFlag.UnmanagedCode)]
protected override IntPtr HookProc(IntPtr hWnd, int msg, IntPtr wparam, IntPtr lparam) {
if (msg == NativeMethods.WM_NOTIFY) {
dialogHWnd = UnsafeNativeMethods.GetParent(new HandleRef(null, hWnd));
try {
UnsafeNativeMethods.OFNOTIFY notify = (UnsafeNativeMethods.OFNOTIFY)UnsafeNativeMethods.PtrToStructure(lparam, typeof(UnsafeNativeMethods.OFNOTIFY));
switch (notify.hdr_code) {
case -601: /* CDN_INITDONE */
MoveToScreenCenter(dialogHWnd);
break;
case -602: /* CDN_SELCHANGE */
NativeMethods.OPENFILENAME_I ofn = (NativeMethods.OPENFILENAME_I)UnsafeNativeMethods.PtrToStructure(notify.lpOFN, typeof(NativeMethods.OPENFILENAME_I));
// Get the buffer size required to store the selected file names.
int sizeNeeded = (int)UnsafeNativeMethods.SendMessage(new HandleRef(this, dialogHWnd), 1124 /*CDM_GETSPEC*/, System.IntPtr.Zero, System.IntPtr.Zero);
if (sizeNeeded > ofn.nMaxFile) {
// A bigger buffer is required.
try {
int newBufferSize = sizeNeeded + (FILEBUFSIZE / 4);
// Allocate new buffer
CharBuffer charBufferTmp = CharBuffer.CreateBuffer(newBufferSize);
IntPtr newBuffer = charBufferTmp.AllocCoTaskMem();
// Free old buffer
Marshal.FreeCoTaskMem(ofn.lpstrFile);
// Substitute buffer
ofn.lpstrFile = newBuffer;
ofn.nMaxFile = newBufferSize;
this.charBuffer = charBufferTmp;
Marshal.StructureToPtr(ofn, notify.lpOFN, true);
Marshal.StructureToPtr(notify, lparam, true);
}
catch {
// intentionaly not throwing here.
}
}
this.ignoreSecondFileOkNotification = false;
break;
case -604: /* CDN_SHAREVIOLATION */
// See VS Whidbey 95342. When the selected file is locked for writing,
// we get this notification followed by *two* CDN_FILEOK notifications.
this.ignoreSecondFileOkNotification = true; // We want to ignore the second CDN_FILEOK
this.okNotificationCount = 0; // to avoid a second prompt by PromptFileOverwrite.
break;
case -606: /* CDN_FILEOK */
if (this.ignoreSecondFileOkNotification)
{
// We got a CDN_SHAREVIOLATION notification and want to ignore the second CDN_FILEOK notification
if (this.okNotificationCount == 0)
{
this.okNotificationCount = 1; // This one is the first and is all right.
}
else
{
// This is the second CDN_FILEOK, so we want to ignore it.
this.ignoreSecondFileOkNotification = false;
UnsafeNativeMethods.SetWindowLong(new HandleRef(null, hWnd), 0, new HandleRef(null, NativeMethods.InvalidIntPtr));
return NativeMethods.InvalidIntPtr;
}
}
if (!DoFileOk(notify.lpOFN)) {
UnsafeNativeMethods.SetWindowLong(new HandleRef(null, hWnd), 0, new HandleRef(null, NativeMethods.InvalidIntPtr));
return NativeMethods.InvalidIntPtr;
}
break;
}
}
catch {
if (dialogHWnd != IntPtr.Zero) {
UnsafeNativeMethods.EndDialog(new HandleRef(this, dialogHWnd), IntPtr.Zero);
}
throw;
}
}
return IntPtr.Zero;
}
///
/// Converts the given filter string to the format required in an OPENFILENAME_I
/// structure.
///
private static string MakeFilterString(string s, bool dereferenceLinks) {
if (s == null || s.Length == 0)
{
// Workaround for Whidbey bug #5165
// Apply the workaround only when DereferenceLinks is true and OS is at least WinXP.
if (dereferenceLinks && System.Environment.OSVersion.Version.Major >= 5)
{
s = " |*.*";
}
else if (s == null)
{
return null;
}
}
int length = s.Length;
char[] filter = new char[length + 2];
s.CopyTo(0, filter, 0, length);
for (int i = 0; i < length; i++) {
if (filter[i] == '|') filter[i] = (char)0;
}
filter[length + 1] = (char)0;
return new string(filter);
}
///
///
/// Raises the
///
protected void OnFileOk(CancelEventArgs e) {
CancelEventHandler handler = (CancelEventHandler)Events[EventFileOk];
if (handler != null) handler(this, e);
}
///
/// Processes the filenames entered in the dialog according to the settings
/// of the "addExtension", "checkFileExists", "createPrompt", and
/// "overwritePrompt" properties.
///
private bool ProcessFileNames() {
if ((options & NativeMethods.OFN_NOVALIDATE) == 0) {
string[] extensions = FilterExtensions;
for (int i = 0; i < fileNames.Length; i++) {
string fileName = fileNames[i];
if ((options & OPTION_ADDEXTENSION) != 0 && !Path.HasExtension(fileName)) {
bool fileMustExist = (options & NativeMethods.OFN_FILEMUSTEXIST) != 0;
for (int j = 0; j < extensions.Length; j++) {
string currentExtension = Path.GetExtension(fileName);
Debug.Assert(!extensions[j].StartsWith("."),
"FileDialog.FilterExtensions should not return things starting with '.'");
Debug.Assert(currentExtension.Length == 0 || currentExtension.StartsWith("."),
"File.GetExtension should return something that starts with '.'");
string s = fileName.Substring(0, fileName.Length - currentExtension.Length);
// we don't want to append the extension if it contains wild cards
if (extensions[j].IndexOfAny(new char[] { '*', '?' }) == -1) {
s += "." + extensions[j];
}
if (!fileMustExist || FileExists(s)) {
fileName = s;
break;
}
}
fileNames[i] = fileName;
}
if (!PromptUserIfAppropriate(fileName))
return false;
}
}
return true;
}
///
///
/// Prompts the user with a
///
internal bool MessageBoxWithFocusRestore(string message, string caption,
MessageBoxButtons buttons, MessageBoxIcon icon)
{
bool ret;
IntPtr focusHandle = UnsafeNativeMethods.GetFocus();
try {
ret = RTLAwareMessageBox.Show(null, message, caption, buttons, icon,
MessageBoxDefaultButton.Button1, 0) == DialogResult.Yes;
}
finally {
UnsafeNativeMethods.SetFocus(new HandleRef(null, focusHandle));
}
return ret;
}
///
///
/// Prompts the user with a
///
private void PromptFileNotFound(string fileName) {
MessageBoxWithFocusRestore(SR.GetString(SR.FileDialogFileNotFound, fileName), DialogCaption,
MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
// If it's necessary to throw up a "This file exists, are you sure?" kind of
// MessageBox, here's where we do it
// Return value is whether or not the user hit "okay".
internal virtual bool PromptUserIfAppropriate(string fileName) {
if ((options & NativeMethods.OFN_FILEMUSTEXIST) != 0) {
if (!FileExists(fileName)) {
PromptFileNotFound(fileName);
return false;
}
}
return true;
}
///
///
/// Resets all properties to their default values.
///
///
public override void Reset() {
options = NativeMethods.OFN_HIDEREADONLY | NativeMethods.OFN_PATHMUSTEXIST |
OPTION_ADDEXTENSION;
title = null;
initialDir = null;
defaultExt = null;
fileNames = null;
filter = null;
filterIndex = 1;
supportMultiDottedExtensions = false;
this._customPlaces.Clear();
}
///
/// Implements running of a file dialog.
///
///
/// Implements the actual call to GetOPENFILENAME_I or GetSaveFileName.
///
///
/// Sets the given option to the given boolean value.
///
///
///
/// Provides a string version of this Object.
///
///
public override string ToString() {
StringBuilder sb = new StringBuilder(base.ToString() + ": Title: " + Title + ", FileName: ");
try
{
sb.Append(FileName);
}
catch (Exception e)
{
sb.Append("<");
sb.Append(e.GetType().FullName);
sb.Append(">");
}
return sb.ToString();
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- PolyBezierSegment.cs
- Grant.cs
- BackgroundWorker.cs
- WorkflowInstanceExtensionProvider.cs
- ProvidersHelper.cs
- OutputCacheSettingsSection.cs
- GridViewColumnCollectionChangedEventArgs.cs
- Send.cs
- ReadonlyMessageFilter.cs
- NestedContainer.cs
- ContentPlaceHolder.cs
- _BaseOverlappedAsyncResult.cs
- ListCollectionView.cs
- FormsAuthenticationUserCollection.cs
- EmptyReadOnlyDictionaryInternal.cs
- ApplicationServicesHostFactory.cs
- SiteOfOriginContainer.cs
- CustomPopupPlacement.cs
- ListBindingConverter.cs
- HGlobalSafeHandle.cs
- AlignmentYValidation.cs
- ZipArchive.cs
- OdbcParameterCollection.cs
- DependencyPropertyAttribute.cs
- SharedPerformanceCounter.cs
- SafeNativeMethods.cs
- NumericExpr.cs
- Help.cs
- EntityContainerEmitter.cs
- ToolStripComboBox.cs
- BatchParser.cs
- XmlC14NWriter.cs
- NamedPipeHostedTransportConfiguration.cs
- KernelTypeValidation.cs
- Utils.cs
- ManipulationPivot.cs
- AbstractSvcMapFileLoader.cs
- TransportChannelListener.cs
- OracleSqlParser.cs
- CryptoStream.cs
- _CacheStreams.cs
- ContextDataSource.cs
- QueryUtil.cs
- TextFormatterImp.cs
- ValueTable.cs
- XmlILOptimizerVisitor.cs
- SamlAssertion.cs
- UserValidatedEventArgs.cs
- CodeDirectionExpression.cs
- HyperLinkStyle.cs
- CorrelationTokenInvalidatedHandler.cs
- XmlEntity.cs
- UpWmlPageAdapter.cs
- serverconfig.cs
- Interlocked.cs
- InternalPermissions.cs
- MailMessageEventArgs.cs
- securitymgrsite.cs
- TCEAdapterGenerator.cs
- PrintControllerWithStatusDialog.cs
- LocalIdKeyIdentifierClause.cs
- Crc32.cs
- SystemTcpConnection.cs
- ConfigurationSectionCollection.cs
- OracleDateTime.cs
- HttpHostedTransportConfiguration.cs
- MgmtConfigurationRecord.cs
- GeometryHitTestParameters.cs
- PageVisual.cs
- SQLInt64.cs
- FileDialog_Vista.cs
- HTTPNotFoundHandler.cs
- TimeSpanStorage.cs
- NestPullup.cs
- DataGridLinkButton.cs
- Vector3D.cs
- XsltInput.cs
- InkCollectionBehavior.cs
- BamlRecords.cs
- PixelFormats.cs
- OleDbEnumerator.cs
- SoundPlayerAction.cs
- LiteralSubsegment.cs
- FloatAverageAggregationOperator.cs
- DataControlFieldCollection.cs
- ContentType.cs
- ArrayWithOffset.cs
- ResourceDictionaryCollection.cs
- DbQueryCommandTree.cs
- UrlAuthFailedErrorFormatter.cs
- SystemIPInterfaceProperties.cs
- UnsafeNativeMethodsPenimc.cs
- DataRelationCollection.cs
- VarRemapper.cs
- PropertyToken.cs
- ApplicationBuildProvider.cs
- SessionMode.cs
- ThrowHelper.cs
- ProviderException.cs
- FilterQuery.cs