BarCodeReader

BarCodeReader()

Inizializza una nuova istanza diBarCodeReader classe con valori predefiniti. Richiede di impostare l’immagine (SetBitmapImage()) prima di chiamare il metodo ReadBarCodes().

public BarCodeReader()

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (BarCodeReader reader = new BarCodeReader())
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    reader.SetBarCodeImage(@"c:\test.png");
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using reader As New BarCodeReader()
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
    reader.SetBarCodeImage("c:\test.png")
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

Guarda anche


BarCodeReader(Bitmap)

Inizializza una nuova istanza diBarCodeReader classe da un’immagine.

public BarCodeReader(Bitmap image)
Parametro Tipo Descrizione
image Bitmap Un’istanza Bitmap contenente l’immagine

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader(bmp))
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader(bmp)
        reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Bitmap, params BaseDecodeType[])

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Bitmap image, params BaseDecodeType[] decodeTypes)
Parametro Tipo Descrizione
image Bitmap L’immagine.
decodeTypes BaseDecodeType[] Tipi di decodifica.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader(bmp, DecodeType.Code39Standard, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader(bmp, DecodeType.Code39Standard, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Bitmap, BaseDecodeType)

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Bitmap image, BaseDecodeType type)
Parametro Tipo Descrizione
image Bitmap L’immagine.
type BaseDecodeType Il tipo di decodifica1. Può essere singolo o multiplo

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader(bmp, new MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader(bmp, New MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Bitmap, Rectangle, params BaseDecodeType[])

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Bitmap image, Rectangle area, params BaseDecodeType[] decodeTypes)
Parametro Tipo Descrizione
image Bitmap L’immagine.
area Rectangle L’area per il riconoscimento.
decodeTypes BaseDecodeType[] Tipi di decodifica.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height), DecodeType.Code39Standard, DecodeType.Code128)
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader(bmp, New Rectangle(0, 0, bmp.Width, bmp.Height), DecodeType.Code39Standard, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Bitmap, Rectangle, BaseDecodeType)

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Bitmap image, Rectangle area, BaseDecodeType type)
Parametro Tipo Descrizione
image Bitmap L’immagine.
area Rectangle L’area per il riconoscimento.
type BaseDecodeType Il tipo di decodifica.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader(bmp, new Rectangle(0, 0, bmp.Width, bmp.Height), new MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader(bmp, New Rectangle(0, 0, bmp.Width, bmp.Height), New MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Bitmap, Rectangle[], params BaseDecodeType[])

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Bitmap image, Rectangle[] areas, params BaseDecodeType[] decodeTypes)
Parametro Tipo Descrizione
image Bitmap L’immagine da leggere
areas Rectangle[] La matrice delle aree di riconoscimento
decodeTypes BaseDecodeType[] tipi di decodifica applicabili a tutte le aree specificate.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader(bmp, new Rectangle[] { new Rectangle(0, 0, bmp.Width, bmp.Height) }, DecodeType.Code39Standard, DecodeType.Code128)
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader(bmp, New Rectangle() {New Rectangle(0, 0, bmp.Width, bmp.Height)}, DecodeType.Code39Standard, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Bitmap, Rectangle[], BaseDecodeType)

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Bitmap image, Rectangle[] areas, BaseDecodeType type)
Parametro Tipo Descrizione
image Bitmap L’immagine da leggere
areas Rectangle[] La matrice delle aree di riconoscimento
type BaseDecodeType Il tipo di decodifica applicabile a tutte le aree specificate.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (Bitmap bmp = new Bitmap(@"c:\test.png"))
using (BarCodeReader reader = new BarCodeReader(bmp, new Rectangle[] { new Rectangle(0, 0, bmp.Width, bmp.Height) }, new MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using bmp = New Bitmap("c:\test.png")
    Using reader As New BarCodeReader(bmp, New Rectangle() {New Rectangle(0, 0, bmp.Width, bmp.Height)}, New MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(string)

Inizializza una nuova istanza diBarCodeReader classe dal file.

public BarCodeReader(string filename)
Parametro Tipo Descrizione
filename String Il nome del file.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png"))
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using reader As New BarCodeReader("c:\test.png")
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

Guarda anche


BarCodeReader(string, params BaseDecodeType[])

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(string filename, params BaseDecodeType[] decodeTypes)
Parametro Tipo Descrizione
filename String Il nome del file.
decodeTypes BaseDecodeType[] Tipi di decodifica.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", DecodeType.Code39Standard, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using reader As New BarCodeReader("c:\test.png", DecodeType.Code39Standard, DecodeType.Code128)
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

Guarda anche


BarCodeReader(string, BaseDecodeType)

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(string filename, BaseDecodeType type)
Parametro Tipo Descrizione
filename String Il nome del file.
type BaseDecodeType Il tipo di decodifica.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (BarCodeReader reader = new BarCodeReader(@"c:\test.png", new MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128)))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using reader As New BarCodeReader("c:\test.png", New MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
    For Each result As BarCodeResult In reader.ReadBarCodes()
        Console.WriteLine("BarCode Type: " + result.CodeTypeName)
        Console.WriteLine("BarCode CodeText: " + result.CodeText)
    Next
End Using

Guarda anche


BarCodeReader(Stream)

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Stream stream)
Parametro Tipo Descrizione
stream Stream Il flusso.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader(fstr))
{
    reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128);
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader(fstr)
        reader.SetBarCodeReadType(DecodeType.Code39Standard, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Stream, BaseDecodeType)

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Stream stream, BaseDecodeType type)
Parametro Tipo Descrizione
stream Stream Il flusso.
type BaseDecodeType Il tipo di decodifica.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader(fstr, new MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128)))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader(fstr, New MultyDecodeType(DecodeType.Code39Standard, DecodeType.Code128))
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche


BarCodeReader(Stream, params BaseDecodeType[])

Inizializza una nuova istanza diBarCodeReader classe.

public BarCodeReader(Stream stream, params BaseDecodeType[] decodeTypes)
Parametro Tipo Descrizione
stream Stream Il flusso.
decodeTypes BaseDecodeType[] Tipi di decodifica.

Esempi

Questo esempio mostra come rilevare i codici a barre Code39 e Code128.

[C#]
using (FileStream fstr = new FileStream(@"c:\test.png", FileMode.Open))
using (BarCodeReader reader = new BarCodeReader(fstr, DecodeType.Code39Standard, DecodeType.Code128))
{
    foreach (BarCodeResult result in reader.ReadBarCodes())
    {
        Console.WriteLine("BarCode Type: " + result.CodeTypeName);
        Console.WriteLine("BarCode CodeText: " + result.CodeText);
    }
}
[VB.NET]
Using fstr = New FileStream("c:\test.png", FileMode.Open)
    Using reader As New BarCodeReader(fstr, DecodeType.Code39Standard, DecodeType.Code128)
        For Each result As BarCodeResult In reader.ReadBarCodes()
            Console.WriteLine("BarCode Type: " + result.CodeTypeName)
            Console.WriteLine("BarCode CodeText: " + result.CodeText)
        Next
    End Using
End Using

Guarda anche