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Leadtools.Barcode Namespace > Classes > BarcodeReadSymbologyEventArgs > Properties > HResult Property
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HResult Property (BarcodeReadSymbologyEventArgs)
Summary
Any error that may have occurred during the read operation.
Syntax
public int HResult {get;} Public ReadOnly Property HResult As Integer public int HResult {get;} get_HResult(); public:property int HResult {int get();}
Property Value
An int value that represent any error that may have occurred during the read operation. Otherwise (no errors occurred), it will be 0 (0 in VB).
Remarks
If an error occurs during the read operation and HResult contains a valid error code, then depending on the value of BarcodeReader.ErrorMode, the BarcodeReader object may throw this exception after the event handler returns. This is determined as follows:
| Value | Action |
|---|---|
| BarcodeReaderErrorMode.Default |
(Default behavior). The BarcodeReader will throw the error after the event handler returns. You must catch this exception in your application. |
| BarcodeReaderErrorMode.IgnoreAll |
The error code is still in HResult, but the BarcodeReader will not throw the exception when the event handler returns. It is up to you to decide if and when to throw the exception and how to handle it. The C# and VB Barcode Main Demo shows the errors (if any) in a list after the read operation is completed. |
Example
For an example, refer to BarcodeReader.ReadSymbology.
Requirements
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