Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / whidbey / NetFxQFE / ndp / fx / src / WinForms / Managed / System / WinForms / FileDialogCustomPlace.cs / 1 / FileDialogCustomPlace.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.IO; using System.Security; using System.Security.Permissions; using System.Text; namespace System.Windows.Forms { //Sample Guids // internal const string ComputerFolder = "0AC0837C-BBF8-452A-850D-79D08E667CA7"; // internal const string Favorites = "1777F761-68AD-4D8A-87BD-30B759FA33DD"; // internal const string Documents = "FDD39AD0-238F-46AF-ADB4-6C85480369C7"; // internal const string Profile = "5E6C858F-0E22-4760-9AFE-EA3317B67173"; public class FileDialogCustomPlace { private string _path = ""; private Guid _knownFolderGuid = Guid.Empty; public FileDialogCustomPlace(string path) { this.Path = path; } public FileDialogCustomPlace(Guid knownFolderGuid) { this.KnownFolderGuid = knownFolderGuid; } public string Path { get { if (string.IsNullOrEmpty(this._path)) { return String.Empty; } return this._path; } set { this._path = value ?? ""; this._knownFolderGuid = Guid.Empty; } } public Guid KnownFolderGuid { get { return this._knownFolderGuid; } set { this._path = String.Empty; this._knownFolderGuid = value; } } public override string ToString() { return string.Format(System.Globalization.CultureInfo.CurrentCulture, "{0} Path: {1} KnownFolderGuid: {2}", base.ToString(), this.Path, this.KnownFolderGuid); } internal FileDialogNative.IShellItem GetNativePath() { //This can throw in a multitude of ways if the path or Guid doesn't correspond //to an actual filesystem directory. Caller is responsible for handling these situations. string filePathString = ""; if (!string.IsNullOrEmpty(this._path)) { filePathString = this._path; } else { filePathString = GetFolderLocation(this._knownFolderGuid); } if (string.IsNullOrEmpty(filePathString)) { return null; } else { return FileDialog.GetShellItemForPath(filePathString); } } private static string GetFolderLocation(Guid folderGuid) { //returns a null string if the path can't be found //SECURITY: This exposes the filesystem path of the GUID. The returned value // must not be made available to user code. if (!UnsafeNativeMethods.IsVista) { return null; } StringBuilder path = new StringBuilder(NativeMethods.MAX_PATH); int result = UnsafeNativeMethods.Shell32.SHGetFolderPathEx(ref folderGuid, 0, IntPtr.Zero, path, (uint)path.Capacity); if (NativeMethods.S_OK == result) { string ret = path.ToString(); return ret; } else { // 0x80070002 is an explicit FileNotFound error. return null; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- using System; using System.IO; using System.Security; using System.Security.Permissions; using System.Text; namespace System.Windows.Forms { //Sample Guids // internal const string ComputerFolder = "0AC0837C-BBF8-452A-850D-79D08E667CA7"; // internal const string Favorites = "1777F761-68AD-4D8A-87BD-30B759FA33DD"; // internal const string Documents = "FDD39AD0-238F-46AF-ADB4-6C85480369C7"; // internal const string Profile = "5E6C858F-0E22-4760-9AFE-EA3317B67173"; public class FileDialogCustomPlace { private string _path = ""; private Guid _knownFolderGuid = Guid.Empty; public FileDialogCustomPlace(string path) { this.Path = path; } public FileDialogCustomPlace(Guid knownFolderGuid) { this.KnownFolderGuid = knownFolderGuid; } public string Path { get { if (string.IsNullOrEmpty(this._path)) { return String.Empty; } return this._path; } set { this._path = value ?? ""; this._knownFolderGuid = Guid.Empty; } } public Guid KnownFolderGuid { get { return this._knownFolderGuid; } set { this._path = String.Empty; this._knownFolderGuid = value; } } public override string ToString() { return string.Format(System.Globalization.CultureInfo.CurrentCulture, "{0} Path: {1} KnownFolderGuid: {2}", base.ToString(), this.Path, this.KnownFolderGuid); } internal FileDialogNative.IShellItem GetNativePath() { //This can throw in a multitude of ways if the path or Guid doesn't correspond //to an actual filesystem directory. Caller is responsible for handling these situations. string filePathString = ""; if (!string.IsNullOrEmpty(this._path)) { filePathString = this._path; } else { filePathString = GetFolderLocation(this._knownFolderGuid); } if (string.IsNullOrEmpty(filePathString)) { return null; } else { return FileDialog.GetShellItemForPath(filePathString); } } private static string GetFolderLocation(Guid folderGuid) { //returns a null string if the path can't be found //SECURITY: This exposes the filesystem path of the GUID. The returned value // must not be made available to user code. if (!UnsafeNativeMethods.IsVista) { return null; } StringBuilder path = new StringBuilder(NativeMethods.MAX_PATH); int result = UnsafeNativeMethods.Shell32.SHGetFolderPathEx(ref folderGuid, 0, IntPtr.Zero, path, (uint)path.Capacity); if (NativeMethods.S_OK == result) { string ret = path.ToString(); return ret; } else { // 0x80070002 is an explicit FileNotFound error. return null; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- BitmapEffectRenderDataResource.cs
- AutomationEvent.cs
- ObjectConverter.cs
- EmptyEnumerable.cs
- MediaPlayer.cs
- DataGridViewCellErrorTextNeededEventArgs.cs
- StrokeFIndices.cs
- SimpleWorkerRequest.cs
- XmlProcessingInstruction.cs
- DropDownList.cs
- TCPListener.cs
- SHA1CryptoServiceProvider.cs
- TextPattern.cs
- NavigatorOutput.cs
- NameTable.cs
- ToolboxItem.cs
- CollectionChange.cs
- WeakReference.cs
- coordinatorscratchpad.cs
- TextServicesLoader.cs
- RemoteWebConfigurationHost.cs
- WebControlsSection.cs
- HttpApplication.cs
- JsonEncodingStreamWrapper.cs
- SqlDataSourceConfigureFilterForm.cs
- HighContrastHelper.cs
- WebPartEditVerb.cs
- WorkflowShape.cs
- IpcClientChannel.cs
- GcSettings.cs
- InnerItemCollectionView.cs
- SchemaNotation.cs
- IncrementalCompileAnalyzer.cs
- StoreContentChangedEventArgs.cs
- DataGridViewCellParsingEventArgs.cs
- ExecutionScope.cs
- ContentFileHelper.cs
- RoleService.cs
- SoapFault.cs
- TdsParserHelperClasses.cs
- RuleProcessor.cs
- SecurityUtils.cs
- Delegate.cs
- XsdBuilder.cs
- PowerStatus.cs
- GZipDecoder.cs
- TreeViewBindingsEditor.cs
- TdsParserSafeHandles.cs
- NavigationExpr.cs
- FontResourceCache.cs
- Parameter.cs
- XmlSchemaAny.cs
- CacheDependency.cs
- AccessDataSourceWizardForm.cs
- SecurityTraceRecordHelper.cs
- ResourceDefaultValueAttribute.cs
- assemblycache.cs
- ImageClickEventArgs.cs
- TraceSection.cs
- entityreference_tresulttype.cs
- SegmentInfo.cs
- PointConverter.cs
- MonitorWrapper.cs
- DataPagerFieldItem.cs
- AsyncInvokeContext.cs
- DataChangedEventManager.cs
- SqlDataSourceSummaryPanel.cs
- SessionConnectionReader.cs
- LocalizableResourceBuilder.cs
- AnnotationStore.cs
- MouseEvent.cs
- __TransparentProxy.cs
- BinaryReader.cs
- FrameAutomationPeer.cs
- EpmAttributeNameBuilder.cs
- ListControl.cs
- HttpModuleActionCollection.cs
- DataExpression.cs
- CellRelation.cs
- ValueConversionAttribute.cs
- IdnMapping.cs
- ProgressBarBrushConverter.cs
- ListBindingHelper.cs
- FeatureSupport.cs
- Glyph.cs
- ExpandedProjectionNode.cs
- HostingPreferredMapPath.cs
- ExpandCollapsePatternIdentifiers.cs
- KeyConverter.cs
- ConfigurationCollectionAttribute.cs
- XmlDocument.cs
- SqlDataSourceTableQuery.cs
- DecoderBestFitFallback.cs
- DataGridViewAccessibleObject.cs
- EndEvent.cs
- RuntimeHelpers.cs
- ImageBrush.cs
- ConfigurationFileMap.cs
- TrackingCondition.cs
- MarkupExtensionSerializer.cs