@msdn=http://search.microsoft.com/search/results.aspx?qu=$$$ @pinvoke=http://pinvoke.net/$$$.htm Summary: The IExtractImage interface is used to request a thumbnail image from a Shell folder. !!!!C# Definition: [ComImportAttribute()] [GuidAttribute("BB2E617C-0920-11d1-9A0B-00C04FC2D6C1")] [InterfaceTypeAttribute(ComInterfaceType.InterfaceIsIUnknown)] interface IExtractImage { void GetLocation( [Out, MarshalAs(UnmanagedType.LPWStr)] StringBuilder pszPathBuffer, int cch, ref int pdwPriority, ref SIZE prgSize, int dwRecClrDepth, ref int pdwFlags); void Extract( out IntPtr phBmpThumbnail); } !!!!VB Definition: ''' <summary> ''' Exposes methods that request a thumbnail image from a Shell folder. ''' </summary> <ComImport()> _ <Guid("BB2E617C-0920-11d1-9A0B-00C04FC2D6C1")> _ <InterfaceType(ComInterfaceType.InterfaceIsIUnknown)> _ <EditorBrowsable(EditorBrowsableState.Advanced)> _ Friend Interface IExtractImage ''' <summary> ''' Gets a path to the image that is to be extracted. ''' </summary> ''' <returns>This method may return a COM-defined error code or one of the following: S_OK if successful, or E_PENDING.</returns> Function GetLocation( _ <Out(), MarshalAs(UnmanagedType.LPWStr)> ByVal pszPathBuffer As System.Text.StringBuilder, _ ByVal cch As Integer, _ ByRef pdwPriority As Integer, _ ByRef prgSize As Win32.SIZE, _ ByVal dwRecClrDepth As Integer, _ ByRef pdwFlags As Integer) As Integer ''' <summary> ''' Requests an image from an object, such as an item in a Shell folder. ''' </summary> ''' <returns>Returns S_OK if successful, or a COM-defined error code otherwise.</returns> Function Extract(<Out()> ByRef phBmpImage As IntPtr) As Integer End Interface !!!!User-Defined Types: // You can use this enum for the IExtractImage.GetLocation method. [Flags] public enum IExtractImageFlags : int { Async = 0x1, Cache = 0x2, Aspect = 0x4, Offline = 0x8, Gleam = 0x10, Screen = 0x20, OriginalSize = 0x40, NoStamp = 0x80, NoBorder = 0x100, Quality = 0x200 } !!!!Notes: None. Documentation: IExtractImage@msdn on MSDN
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