PngBitmapDecoder Class
Defines a decoder for Portable Network Graphics (PNG) encoded images.
Assembly: PresentationCore (in PresentationCore.dll)
System.Windows.Threading::DispatcherObject
System.Windows.Media.Imaging::BitmapDecoder
System.Windows.Media.Imaging::PngBitmapDecoder
| Name | Description | |
|---|---|---|
![]() | PngBitmapDecoder(Stream^, BitmapCreateOptions, BitmapCacheOption) | Initializes a new instance of PngBitmapDecoder from the specified file stream with the specified createOptions and cacheOption. |
![]() | PngBitmapDecoder(Uri^, BitmapCreateOptions, BitmapCacheOption) | Initializes a new instance of PngBitmapDecoder from the specified Uri with the specified createOptions and cacheOption. |
| Name | Description | |
|---|---|---|
![]() | CodecInfo | Gets information that describes this codec. (Inherited from BitmapDecoder.) |
![]() | ColorContexts | Gets a value that represents the color profile associated with a bitmap, if one is defined.(Inherited from BitmapDecoder.) |
![]() | Dispatcher | Gets the Dispatcher this DispatcherObject is associated with. (Inherited from DispatcherObject.) |
![]() | Frames | Gets the content of an individual frame within a bitmap.(Inherited from BitmapDecoder.) |
![]() | IsDownloading | Gets a value that indicates if the decoder is currently downloading content.(Inherited from BitmapDecoder.) |
![]() | Metadata | Gets an instance of BitmapMetadata that represents the global metadata associated with this bitmap, if metadata is defined.(Inherited from BitmapDecoder.) |
![]() | Palette | Gets the BitmapPalette associated with this decoder. (Inherited from BitmapDecoder.) |
![]() | Preview | Gets a BitmapSource that represents the global preview of this bitmap, if one is defined.(Inherited from BitmapDecoder.) |
![]() | Thumbnail | Gets a BitmapSource that represents the thumbnail of the bitmap, if one is defined. (Inherited from BitmapDecoder.) |
| Name | Description | |
|---|---|---|
![]() | CheckAccess() | Determines whether the calling thread has access to this DispatcherObject.(Inherited from DispatcherObject.) |
![]() | CreateInPlaceBitmapMetadataWriter() | Creates an instance of InPlaceBitmapMetadataWriter, which can be used to update the metadata of a bitmap.(Inherited from BitmapDecoder.) |
![]() | Equals(Object^) | Determines whether the specified object is equal to the current object.(Inherited from Object.) |
![]() | GetHashCode() | Serves as the default hash function. (Inherited from Object.) |
![]() | GetType() | |
![]() | ToString() | Converts the current value of a BitmapDecoder to a String.(Inherited from BitmapDecoder.) |
![]() | VerifyAccess() | Enforces that the calling thread has access to this DispatcherObject.(Inherited from DispatcherObject.) |
| Name | Description | |
|---|---|---|
![]() | DownloadCompleted | Occurs when a BitmapDecoder has finished downloading bitmap content.(Inherited from BitmapDecoder.) |
![]() | DownloadFailed | Occurs when bitmap content failed to download.(Inherited from BitmapDecoder.) |
![]() | DownloadProgress | Occurs when a BitmapDecoder has made progress downloading bitmap content.(Inherited from BitmapDecoder.) |
Available since 3.0
Any public static ( Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.


