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

Return Value

An instance of InplaceBitmapMetadataWriter.

Exception typeCondition

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 98, Windows Server 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile for Pocket PC, Windows Mobile for Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition

The Microsoft .NET Framework 3.0 is supported on Windows Vista, Microsoft Windows XP SP2, and Windows Server 2003 SP1.

.NET Framework

Supported in: 3.0
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