ImageGear for Silverlight
UnloadAsync Method
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ImageGear20.Isis Assembly > ImageGear.Isis Namespace > ImGearIsisScanner Class : UnloadAsync Method

callback: Callback which is called when the scanned is unloaded.

Unloads a scanner without closing the active session.

Syntax

Visual Basic

Managed Extensions for C++

C++/CLI

'Declaration
 
Public Function UnloadAsync( _
   ByVal callback As ImGearIsisOperationCompleted _
) As ImGearIsisOperationStatus

'Usage
 
Dim instance As ImGearIsisScanner
Dim callback As ImGearIsisOperationCompleted
Dim value As ImGearIsisOperationStatus
 
value = instance.UnloadAsync(callback)

public ImGearIsisOperationStatus UnloadAsync( 
   ImGearIsisOperationCompleted callback
)

public: ImGearIsisOperationStatus* UnloadAsync( 
   ImGearIsisOperationCompleted* callback
)

public:
ImGearIsisOperationStatus^ UnloadAsync( 
   ImGearIsisOperationCompleted^ callback
)

Parameters

callback: Callback which is called when the scanned is unloaded.

Return Value

ImGearIsisOperationStatus value.

Remarks

You can use this method to release the scanner for use by a different application when you no longer need to scan new images. You might do this if your application performs lengthy post-scanning operations that require the session to remain open.

Syntax

Parameters

Return Value

Remarks

See Also

Reference