This documentation is archived and is not being maintained.

BitmapDecoder.CreateInPlaceBitmapMetadataWriter Method

Creates an instance of InPlaceBitmapMetadataWriter, which can be used to update the metadata of a bitmap.

Namespace:  System.Windows.Media.Imaging
Assembly:  PresentationCore (in PresentationCore.dll)

public virtual InPlaceBitmapMetadataWriter CreateInPlaceBitmapMetadataWriter()
You cannot use methods in XAML.

ExceptionCondition
InvalidOperationException

The file original image stream is read only.

NotImplementedException

The decoder is not a built in decoder.

The following code example demonstrates how to create an InPlaceBitmapMetadataWriter in order to update the metadata associated with a bitmap image.

Stream pngStream = new System.IO.FileStream("smiley.png", FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
PngBitmapDecoder pngDecoder = new PngBitmapDecoder(pngStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
BitmapFrame pngFrame = pngDecoder.Frames[0];
InPlaceBitmapMetadataWriter pngInplace = pngFrame.CreateInPlaceBitmapMetadataWriter();
if (pngInplace.TrySave() == true)
{ pngInplace.SetQuery("/Text/Description", "Have a nice day."); }
pngStream.Close();

Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0
Show: