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Read a file into a byte arrayVB.NET Example Source Code to read an entire file into a byte array. ' VB.NET to read a binary file (or any file) into a byte array.
Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim fInfo As New FileInfo("byteArray.dat")
Dim numBytes As Long = fInfo.Length
Dim fStream As New FileStream("byteArray.dat", FileMode.Open, FileAccess.Read)
Dim br As New BinaryReader(fStream)
Dim data As Byte() = br.ReadBytes(CInt(numBytes))
' Show the number of bytes in the array.
Label1.Text = Convert.ToString(data.Length)
br.Close()
fStream.Close()
End Sub
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