VintaSoft Twain .NET SDK 15.3: Documentation for .NET developer
Vintasoft.WiaImageScanning Namespace / WiaDeviceManager Class
Members Object Syntax Example Hierarchy Requirements SeeAlso
In This Topic
    WiaDeviceManager Class
    In This Topic
    Represents a manager of WIA devices.
    Object Model
    WiaDeviceCollection WiaDevice WiaDeviceManager
    Syntax
    'Declaration
    
    Public NotInheritable Class WiaDeviceManager
    
    
    public sealed class WiaDeviceManager
    
    
    public __gc __sealed class WiaDeviceManager
    
    
    public ref class WiaDeviceManager sealed
    
    
    Example

    This C#/VB.NET code shows how to open WIA device manager and display information about available WIA image scanners.

    
    ''' <summary>
    ''' Opens WIA device manager and displays information about available WIA image scanners.
    ''' </summary>
    Private Sub GetWiaDevicesInfo()
        ' create WIA device manager
        Using deviceManager As New Vintasoft.WiaImageScanning.WiaDeviceManager()
            ' open device manager
            deviceManager.Open()
    
            ' get count of WIA devices
            Dim deviceCount As Integer = deviceManager.Devices.Count
            If deviceCount = 0 Then
                System.Console.WriteLine("Devices are not found.")
                Return
            End If
    
            Dim devices As Vintasoft.WiaImageScanning.WiaDeviceCollection = deviceManager.Devices
            ' for each WIA device
            For i As Integer = 0 To devices.Count - 1
                ' output the device name
                System.Console.WriteLine(String.Format("Device '{0}'", devices(i).Name))
            Next
        End Using
    End Sub
    
    
    
    /// <summary>
    /// Opens WIA device manager and displays information about available WIA image scanners.
    /// </summary>
    void GetWiaDevicesInfo()
    {
        // create WIA device manager
        using (Vintasoft.WiaImageScanning.WiaDeviceManager deviceManager = new Vintasoft.WiaImageScanning.WiaDeviceManager())
        {
            // open device manager
            deviceManager.Open();
    
            Vintasoft.WiaImageScanning.WiaDeviceCollection devices = deviceManager.Devices;
            // for each WIA device
            for (int i = 0; i < devices.Count; i++)
            {
                // output the device name
                System.Console.WriteLine(string.Format("Device '{0}'", devices[i].Name));
            }
        }
    }
    
    

    Inheritance Hierarchy

    System.Object
       Vintasoft.WiaImageScanning.WiaDeviceManager

    Requirements

    Target Platforms: .NET 10; .NET 9; .NET 8; .NET 7; .NET 6; .NET Framework 4.8, 4.7, 4.6, 4.5, 4.0, 3.5

    See Also