Reference Guide
GdPicture14 Namespace / ThumbnailEx.FileTypeNotSupportedEventHandler Delegate
The path of the unsupported file.
A GdPicture Image Identifier which can be passed by reference.
A reference to a boolean value. If set to true and if a CustomBitmapID parameter is provided, the control will automatically release the CustomBitmapID from the memory.
ExampleExample





In This Topic
    ThumbnailEx.FileTypeNotSupportedEventHandler Delegate
    In This Topic
    Defines the event handler for the ThumbnailEx.FileTypeNotSupported event.
    Syntax
    'Declaration
     
    
    <GuidAttribute("D48E3ADF-7C99-325D-A791-1B6C6B7BF59F")>
    Public Delegate Sub ThumbnailEx.FileTypeNotSupportedEventHandler( _
       ByVal FilePath As String, _
       ByRef CustomBitmapID As Integer, _
       ByRef ReleaseBitmap As Boolean _
    ) 
    [Guid("D48E3ADF-7C99-325D-A791-1B6C6B7BF59F")]
    public delegate void ThumbnailEx.FileTypeNotSupportedEventHandler( 
       string FilePath,
       ref int CustomBitmapID,
       ref bool ReleaseBitmap
    )
    public delegate ThumbnailEx.FileTypeNotSupportedEventHandler( 
        FilePath: String;
       var  CustomBitmapID: Integer;
       var  ReleaseBitmap: Boolean
    );
    GuidAttribute("D48E3ADF-7C99-325D-A791-1B6C6B7BF59F")
    public delegate ThumbnailEx.FileTypeNotSupportedEventHandler( 
       FilePath : String,
       CustomBitmapID : int,
       ReleaseBitmap : boolean
    )
    [Guid("D48E3ADF-7C99-325D-A791-1B6C6B7BF59F")]
    public: __gc __delegate void ThumbnailEx.FileTypeNotSupportedEventHandler( 
       string* FilePath,
       ref int CustomBitmapID,
       ref bool ReleaseBitmap
    )
    [Guid("D48E3ADF-7C99-325D-A791-1B6C6B7BF59F")]
    public delegate void ThumbnailEx.FileTypeNotSupportedEventHandler( 
       String^ FilePath,
       int% CustomBitmapID,
       bool% ReleaseBitmap
    )

    Parameters

    FilePath
    The path of the unsupported file.
    CustomBitmapID
    A GdPicture Image Identifier which can be passed by reference.
    ReleaseBitmap
    A reference to a boolean value. If set to true and if a CustomBitmapID parameter is provided, the control will automatically release the CustomBitmapID from the memory.
    Example
    Implementing a custom bitmap for unknown file type.
    Private Sub ThumbnailEx1_FileTypeNotSupported(ByVal FilePath As String, ByRef CustomBitmapID As Integer, ByRef ReleaseBitmap As Boolean) Handles ThumbnailEx1.FileTypeNotSupported
    ReleaseBitmap = True
    Using gdPictureImaging As New GdPictureImaging
       CustomBitmapID = gdPictureImaging.CreateGdPictureImageFromFile("unsupported.png")
    End Using
    End Sub
    See Also