WICMetadataHandler Class

FreeImage.NET

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FreeImage.NET Class Library Reference

Windows Imaging Component Metadata Handler. See BitmapMetadata.

Inheritance Hierarchy

SystemObject FreeImageAPI.MetadataWICMetadataHandler

Namespace: FreeImageAPI.Metadata
Assembly: FreeImageNET (in FreeImageNET.dll) Version: 3.17.0.4 (3.17.0)

Syntax

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public class WICMetadataHandler

The WICMetadataHandler type exposes the following members.

Constructors

	Name	Description
	WICMetadataHandler	Initializes a new instance of the WICMetadataHandler class

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Properties

	Name	Description
	ApplicationName	Gets or sets a value that identifies the name of the application that was used to construct or alter an image file.
	Author	Gets or sets a value that represents the author of an image.
	CameraManufacturer	Gets or sets a value that identifies the camera manufacturer that is associated with an image.
	CameraModel	Gets or sets a value that identifies the camera model that was used to capture the image.
	Comment	Comment Gets or sets a value that represents a comment that is associated with the image file.
	Copyright	Gets or sets a value that indicates copyright information that is associated with the image file.
	DateTaken	Gets or sets a value that indicates the date that the image was taken.
	Keywords	Gets or sets a collection of keywords that describe the bitmap image.
	Rating	Gets or sets a value that identifies the image rating.
	Subject	Gets or sets a value that indicates the subject matter of the bitmap image.
	Title	Gets or sets a value that identifies the title of an image file.

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Methods

	Name	Description
	ContainsQuery	Determines whether a given query string exists within a BitmapMetadata object.
	Equals	Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object.)
	GetQuery	Provides access to a metadata query reader that can extract metadata from a bitmap image file.
	GetType	Gets the Type of the current instance. (Inherited from Object.)
	MemberwiseClone	Creates a shallow copy of the current Object. (Inherited from Object.)
	RemoveQuery	Removes a metadata query from an instance of BitmapMetadata.
	Save	Saves the metadata to the underlying FreeImageBitmap. Modified metadata is not saved until this method is called.
	SetQuery	Provides access to a metadata query writer that can write metadata to a bitmap image file.
	ToString	Returns a string that represents the current object. (Inherited from Object.)

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Remarks

Modified metadata isn't saved to the FreeImageBitmap until the Save-Method is called.

This class is not supported on Mono.

Examples

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using (FreeImageBitmap fib = new FreeImageBitmap(path))
{
    WICMetadataHandler metadata = fib.GetWICMetadataHandler();
    metadata.DateTaken = DateTime.Now;
    metadata.Comment = "Hallo";
    object alt = metadata.GetQuery("System.GPS.Latitude");
    metadata.Save();
}

Reference

FreeImageAPI.Metadata Namespace

System.Windows.Media.ImagingBitmapMetadata

Other Resources

Metadata Query Language Overview

Native Image Format Metadata Queries

Photo Metadata Policies

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