ImageAcquiringProgress Event (Device)

In This Topic

Occurs when image acquisition is in progress (only if Memory transfer mode is used).

Syntax

'Declaration

Public Event ImageAcquiringProgress As System.EventHandler(Of ImageAcquiringProgressEventArgs)

public event System.EventHandler<ImageAcquiringProgressEventArgs> ImageAcquiringProgress

public: __event System.EventHandler<ImageAcquiringProgressEventArgs*>* ImageAcquiringProgress

public:
event System.EventHandler<ImageAcquiringProgressEventArgs^>^ ImageAcquiringProgress

Remarks

Here is a sequence of events if scan is successfully completed:

for each acquired image
- ImageAcquiring event occurs before image is acquiring
- ImageAcquiringProgress events occurs during image acquisition (only if Memory transfer mode is used)
- ImageAcquired event occurs after image is acquired
ScanCompleted event occurs when scan is completed
UserInterfaceClosed event occurs when UI is closed
ScanFinished event occurs when scan is finished

Here is a sequence of events if scan is canceled:

for each acquired image
- ImageAcquiring event occurs before image is acquiring
- ImageAcquiringProgress events occurs during image acquisition (only if Memory transfer mode is used)
- ImageAcquired event occurs after image is acquired
ScanCanceled event occurs when scan is canceled
ScanFinished event occurs when scan is finished

Here is a sequence of events if scan is failed:

for each acquired image
- ImageAcquiring event occurs before image is acquiring
- ImageAcquiringProgress events occurs during image acquisition (only if Memory transfer mode is used)
- ImageAcquired event occurs after image is acquired
ScanFailed event occurs when scan is failed
ScanFinished event occurs when scan is finished

Example

Please see example here: Acquire.

Requirements

Target Platforms: .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

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