public WiaDeviceManager(WiaVersion version) : base(version)
{
WiaException.Check(Version == WiaVersion.Wia10
? NativeWiaMethods.GetDeviceManager1(out var handle)
: NativeWiaMethods.GetDeviceManager2(out handle));
Handle = handle;
}
private void InitializeWia()
{
if (_mySettings._settings.wiaVersion == 0)
{
return;
}
_wiaVersion = (WiaVersion)_mySettings._settings.wiaVersion;
_wiaAvailable = WiaSession.IsAvailable(_wiaVersion);
if (_wiaAvailable)
{
_wiaSession = new WiaSession();
_wiaSession.Startup(_wiaVersion);
_miWiaSelectSource.Enabled = true;
// Set the default acquire path for file transfer to My Documents folder.
string myDocumentsPath;
HelperFunctions.GetFormatFilterAndExtension();
myDocumentsPath = Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
_wiaAcquireOptions.FileName = string.Format("{0}{1}{2}", myDocumentsPath, "\\WiaTest.", HelperFunctions.Extension);
if (_wiaProperties.DataTransfer.TransferMode == WiaTransferMode.None) // GetProperties() method not called yet.
{
_wiatransferMode = WiaTransferMode.Memory;
}
else
{
_wiatransferMode = _wiaProperties.DataTransfer.TransferMode;
}
_wiaSession.AcquireEvent += new EventHandler <WiaAcquireEventArgs>(_wiaSession_AcquireEvent);
}
else
{
_miWiaSelectSource.Enabled = false;
}
_wiaerrorList = new ArrayList();
_enumeratedItemsList = new ArrayList();
_capabilitiesList = new ArrayList();
_formatsList = new ArrayList();
_flagValuesStrings = new ArrayList();
_wiaSourceSelected = _mySettings._settings.wiaSelectedDevice != null;
if (_wiaSourceSelected)
{
try
{
_wiaSession.SelectDevice(_mySettings._settings.wiaSelectedDevice);
}
catch
{
_wiaSourceSelected = false;
}
}
}
protected NativeWiaObject(WiaVersion version, IntPtr handle)
{
if (version == WiaVersion.Default)
{
version = DefaultWiaVersion;
}
Version = version;
Handle = handle;
}
private void _lbWiaVersions_DoubleClick(object sender, EventArgs e)
{
MyItemData item = (MyItemData)_lbWiaVersions.SelectedItem;
if (item.ItemData == (int)WiaVersion.Version2 /* WIA version 2.0 selected */)
{
if (System.Environment.OSVersion.Version.Major != 6 /* Not VISTA OS */)
{
return;
}
}
_selectedWiaVersion = (WiaVersion)item.ItemData;
this.DialogResult = DialogResult.OK;
this.Hide();
}
static void Main( )
{
if (!Support.SetLicense())
{
return;
}
using (WiaVersionForm WiaVersionDlg = new WiaVersionForm())
{
if (WiaVersionDlg.ShowDialog() == DialogResult.OK)
{
_wiaVersion = WiaVersionDlg._selectedWiaVersion;
}
else
{
return;
}
}
Application.Run(new MainForm());
}
private void _miWiaVersion_Click(object sender, EventArgs e)
{
bool bTopMost = logWindow.TopMost;
logWindow.TopMost = false;
try
{
using (WiaVersionForm WiaVersionDlg = new WiaVersionForm())
{
if (WiaVersionDlg.ShowDialog() == DialogResult.OK)
{
_wiaVersion = WiaVersionDlg._selectedWiaVersion;
_mySettings._settings.wiaVersion = (int)_wiaVersion;
_mySettings.Save();
InitializeWia();
}
}
}
catch { }
logWindow.TopMost = bTopMost;
}
protected internal WiaDeviceInfo(WiaVersion version, IntPtr propStorageHandle) : base(version)
{
Properties = new WiaPropertyCollection(version, propStorageHandle);
}
protected internal WiaDeviceManager(WiaVersion version, IntPtr handle) : base(version, handle)
{
}
protected internal WiaItemBase(WiaVersion version, IntPtr handle) : base(version, handle)
{
}
protected NativeWiaObject(WiaVersion version) : this(version, IntPtr.Zero)
{
}
protected internal WiaPropertyCollection(WiaVersion version, IntPtr propertyStorageHandle) : base(version, propertyStorageHandle)
{
_propertyDict = new Dictionary <int, WiaProperty>();
WiaException.Check(NativeWiaMethods.EnumerateProperties(Handle,
(id, name, type) => _propertyDict.Add(id, new WiaProperty(Handle, id, name, type))));
}
private void _btnOk_Click(object sender, EventArgs e)
{
MyItemData item = (MyItemData)_lbWiaVersions.SelectedItem;
_selectedWiaVersion = (WiaVersion)item.ItemData;
}
protected internal WiaTransfer(WiaVersion version, IntPtr handle) : base(version, handle)
{
}
