Datalogic .NET SDK
DecodeEvent (Constructor) (+1 overload)
Syntax
public DecodeEvent(DecodeHandle hDcd, DecodeRequest reqType, Control ctlInvoker);
Description
Constructor to Datalogic.API.DecodeEvent. When an instance of this class is created, an event listener will start to listen to the decoder.
Parameters Table
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|
Type |
Parameter |
Description |
|
[in] |
DecodeHandle |
hDcd |
Handle to the decoding device to query. An instance of the Datalogic.API.DecodeHandle class represents this handle. |
|
[in] |
DecodeRequest |
reqType |
Type of event request being posted. It is a logical OR'ing of any of the Datalogic.API.DecodeRequest values. |
|
[in] |
Control |
ctlInvoker |
An instance of a control where this DecodeEvent instance is being created in. Specify this parameter if raised Scanned events will be manipulating UI elements contained in ctlInvoker. |
|
|
|
|
|
|
[return] |
- |
|
- |
|
[on error] |
- |
|
- |
Example
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private void MainDlg_Load(object sender, System.EventArgs e) { DecodeHandle hDcd = new DecodeHandle( DecodeDeviceCap.Exists | DecodeDeviceCap.Barcode); DecodeRequest reqType = (DecodeRequest)1 | DecodeRequest.PostRecurring;
// Constructor with Invoker to “this” Control dcdEvent = new DecodeEvent(hDcd, reqType, this); }
|
Remarks
Make sure to call Datalogic.API.DecodeEvent.StopScanListener when DecodeEvent no longer needs to listen to the decoder.
See Also
DecodeHandle (Class), Request (Enum), DecodeEvent.StopScanListener (Method), Example #021.
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