Επεξεργασία

Κοινή χρήση μέσω

PngBitmapEncoder Class

  • Reference

Definition

Namespace:
System.Windows.Media.Imaging
Assembly:
PresentationCore.dll

Defines an encoder that is used to encode Portable Network Graphics (PNG) format images.

public ref class PngBitmapEncoder sealed : System::Windows::Media::Imaging::BitmapEncoder
public sealed class PngBitmapEncoder : System.Windows.Media.Imaging.BitmapEncoder
type PngBitmapEncoder = class
    inherit BitmapEncoder
Public NotInheritable Class PngBitmapEncoder
Inherits BitmapEncoder
Inheritance
Object
DispatcherObject
BitmapEncoder
PngBitmapEncoder

Remarks

Portable Network Graphics (PNG) format bitmaps support frame level metadata. They do not support preview, global thumbnails, frame level thumbnails, global metadata, or multiple frames.

Encoding does not work in partial trust. See WPF Partial Trust Security for information on partial trust.

Constructors

PngBitmapEncoder()

Initializes a new instance of the PngBitmapEncoder class.

Properties

CodecInfo

Gets information that describes this codec.

(Inherited from BitmapEncoder)
ColorContexts

Gets or sets a value that represents the color profile that is associated with this encoder.

(Inherited from BitmapEncoder)
Dispatcher

Gets the Dispatcher this DispatcherObject is associated with.

(Inherited from DispatcherObject)
Frames

Gets or sets the individual frames within an image.

(Inherited from BitmapEncoder)
Interlace

Gets or sets a value that indicates whether the Portable Network Graphics (PNG) bitmap should interlace.
Metadata

Gets or sets the metadata that will be associated with this bitmap during encoding.

(Inherited from BitmapEncoder)
Palette

Gets or sets a value that represents the BitmapPalette of an encoded bitmap.

(Inherited from BitmapEncoder)
Preview

Gets or sets a BitmapSource that represents the global preview of a bitmap, if there is one.

(Inherited from BitmapEncoder)
Thumbnail

Gets or sets a BitmapSource that represents the global embedded thumbnail.

(Inherited from BitmapEncoder)

Methods

CheckAccess()

Determines whether the calling thread has access to this DispatcherObject.

(Inherited from DispatcherObject)
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()

Gets the Type of the current instance.

(Inherited from Object)
MemberwiseClone()

Creates a shallow copy of the current Object.

(Inherited from Object)
Save(Stream)

Encodes a bitmap image to a specified Stream.

(Inherited from BitmapEncoder)
ToString()

Returns a string that represents the current object.

(Inherited from Object)
VerifyAccess()

Enforces that the calling thread has access to this DispatcherObject.

(Inherited from DispatcherObject)

Applies to

See also