Metadata. Contains Query(String) Method
Determines whether a given query string exists within a BitmapMetadata object.
public: bool ContainsQuery(System::String ^ query);
[System.Security.SecurityCritical] public bool ContainsQuery (string query);
member this.ContainsQuery : string -> bool
Public Function ContainsQuery (query As String) As Boolean
true if the query string is found within the metadata store; otherwise,
Metadata that is associated with an image is data that describes the image but that is not necessary for display of the image. Each supported bitmap image format handles metadata differently, but the facility for reading and writing metadata is the same.
Windows Presentation Foundation (WPF) supports the following image metadata schemas: Exchangeable image file (Exif), tEXt (PNG Textual Data), image file directory (IFD), International Press Telecommunications Council (IPTC), and Extensible Metadata Platform (XMP).