CachedBitmap Constructor
Initializes a new instance of CachedBitmap that has the specified source, bitmap create options, and bitmap cache option.
Assembly: PresentationCore (in PresentationCore.dll)
public CachedBitmap(
BitmapSource source,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption
)
Parameters
- source
- Type: System.Windows.Media.Imaging.BitmapSource
The source bitmap that is being cached.
- createOptions
- Type: System.Windows.Media.Imaging.BitmapCreateOptions
Initialization options for the bitmap image.
- cacheOption
- Type: System.Windows.Media.Imaging.BitmapCacheOption
Specifies how the bitmap is cached to memory.
| Exception | Condition |
|---|---|
| ArgumentNullException |
Occurs when source is null. |
The following code example shows how to create and use a CachedBitmap in code.
CachedBitmap cachedSource = new CachedBitmap(
scaledSource,
BitmapCreateOptions.None,
BitmapCacheOption.OnLoad);
// Create a new BitmapSource using a different format than the original one.
FormatConvertedBitmap newFormatSource = new FormatConvertedBitmap();
newFormatSource.BeginInit();
newFormatSource.Source = cachedSource;
newFormatSource.DestinationFormat = PixelFormats.Gray32Float;
newFormatSource.EndInit();
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
