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CachedBitmap(BitmapSource, BitmapCreateOptions, BitmapCacheOption) Constructor

Definition

Initializes a new instance of CachedBitmap that has the specified source, bitmap create options, and bitmap cache option.

public:
 CachedBitmap(System::Windows::Media::Imaging::BitmapSource ^ source, System::Windows::Media::Imaging::BitmapCreateOptions createOptions, System::Windows::Media::Imaging::BitmapCacheOption cacheOption);
public CachedBitmap (System.Windows.Media.Imaging.BitmapSource source, System.Windows.Media.Imaging.BitmapCreateOptions createOptions, System.Windows.Media.Imaging.BitmapCacheOption cacheOption);
new System.Windows.Media.Imaging.CachedBitmap : System.Windows.Media.Imaging.BitmapSource * System.Windows.Media.Imaging.BitmapCreateOptions * System.Windows.Media.Imaging.BitmapCacheOption -> System.Windows.Media.Imaging.CachedBitmap
Public Sub New (source As BitmapSource, createOptions As BitmapCreateOptions, cacheOption As BitmapCacheOption)

Parameters

source
BitmapSource

The source bitmap that is being cached.

createOptions
BitmapCreateOptions

Initialization options for the bitmap image.

cacheOption
BitmapCacheOption

Specifies how the bitmap is cached to memory.

Exceptions

Occurs when source is null.

Examples

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();
Dim cachedSource As New CachedBitmap(scaledSource, BitmapCreateOptions.None, BitmapCacheOption.OnLoad)
' Create a new BitmapSource using a different format than the original one.
Dim newFormatSource As New FormatConvertedBitmap()
newFormatSource.BeginInit()
newFormatSource.Source = cachedSource
newFormatSource.DestinationFormat = PixelFormats.Gray32Float
newFormatSource.EndInit()

Applies to

See also