Begins adding a new cache item.
public override Uri BeginAddExternalResource(
string key,
string regionName,
bool readWrite
)
Public Overrides Function BeginAddExternalResource(
ByVal key As String,
ByVal regionName As String,
ByVal readWrite As Boolean
) As System.Uri
public:
virtual System::Uri^ BeginAddExternalResource(
String^ key,
String^ regionName,
bool readWrite
) override
public URI beginAddExternalResource(String key, String regionName, boolean readWrite)
key
Unique item identifier.
regionName
Optional region name.
readWrite
true if the read and write access to the URI is requested; otherwise, false if only read access is requested.
Returns URI to the path holding the data for the item.
Cache consumers should call this method only if DefaultCacheCapabilities.ExternalResources is supported by this cache (by checking the DefaultCacheCapabilities property.
The LEADTOOLS Document classes uses this method to quickly add items. It speeds up access and updating the data if the value contain large amount of data such as an image file.
After this method returns, EndAddExternalResource<T> must be called to either commit this item into the cache or discard it.
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document
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