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IsLoading Property
Summary
Gets a value that determines whether this CodecsImageInfo object is still loading.
Syntax
public bool IsLoading {get;} Public ReadOnly Property IsLoading As Boolean public bool IsLoading {get;} @property (nonatomic, assign, readonly) BOOL isLoading public boolean isLoading() get_IsLoading(); public:property bool IsLoading {bool get();}
Property Value
true if the image is still loading; false, otherwise.
Remarks
The RasterCodecs class supports getting information on image files asynchronously using the RasterCodecs.GetInformationAsync methods. When calling any of these methods, the caller thread will not be blocked and the method will return instantly with an instance CodecsImageInfo that is in a loading status (CodecsImageInfo.IsLoading set to true). You should not use the other properties of this object while the object is in loading status.
When the RasterCodecs object finishes getting the information about the file, the various properties of the CodecsImageInfo will be populated with the image file information and the CodecsImageInfo.IsLoading property will be set to false.
It is recommended that you do not poll for the CodecsImageInfo.IsLoading property to determine whether the image information has been collected. Instead, subscribe to the RasterCodecs.GetInformationAsyncCompleted event to get notification on when the GetInformationAsync operation is completed and whether any errors occurred.
The RasterCodecs.GetInformationAsyncCompleted event data will also contain the same object returned from RasterCodecs.GetInformationAsync so you do not have to keep the original object in your application.
Example
For an example, refer to RasterCodecs.GetInformationAsyncCompleted.
Requirements
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© 1991-2017 LEAD Technologies, Inc. All Rights Reserved.
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