/// <summary>
/// Start scan
/// </summary>
public void ScanAsync(ScannerInfo source)
{
if (source == null)
{
return;
}
var wiaDevice = source.GetDevice();
// Manager
var wiaManager = new DeviceManager();
var hasMorePages = true;
while (hasMorePages)
{
try
{
// Get items
var wiaItem = wiaDevice.Items[1];
int inColor = 2, dpi = 300;
wiaItem.Properties["6146"].set_Value(inColor);
//Item MUST be stored in a variable THEN the properties must be set.
wiaItem.Properties["6147"].set_Value(dpi);
wiaItem.Properties["6148"].set_Value(dpi);
// var imageFile = (ImageFile)(new CommonDialog()).ShowTransfer(wiaItem, "{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}", false); //wiaItem.Transfer("{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}") as WIA.ImageFile;
var imageFile = wiaItem.Transfer("{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}") as ImageFile;
if (ScanCompleted != null)
{
ScanCompleted(this, new ScanCompletedEventArgs(imageFile.FileData.get_BinaryData()));
}
}
catch (Exception)
{
break;
}
}
/// <summary>
/// Scan a single image
/// </summary>
public byte[] ScanSingle(ScannerInfo source)
{
WIA.Device wiaDevice = source.GetDevice();
// Manager
WIA.DeviceManager wiaManager = new WIA.DeviceManager();
try
{
// Get items
WIA.Item wiaItem = wiaDevice.Items[1];
int inColor = 2, dpi = 300;
wiaItem.Properties["6146"].set_Value((int)inColor);//Item MUST be stored in a variable THEN the properties must be set.
wiaItem.Properties["6147"].set_Value(dpi);
wiaItem.Properties["6148"].set_Value(dpi);
var imageFile = (ImageFile)(new CommonDialog()).ShowTransfer(wiaItem, "{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}", false); //wiaItem.Transfer("{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}") as WIA.ImageFile;
return(imageFile.FileData.get_BinaryData());
}
catch (Exception e)
{
throw;
}
}
/// <summary>
/// Start scan
/// </summary>
public void ScanAsync(ScannerInfo source)
{
if (source == null)
{
return;
}
WIA.Device wiaDevice = source.GetDevice();
// Manager
WIA.DeviceManager wiaManager = new WIA.DeviceManager();
bool hasMorePages = true;
while (hasMorePages)
{
try
{
// Get items
WIA.Item wiaItem = wiaDevice.Items[1];
int inColor = 2, dpi = 300;
wiaItem.Properties["6146"].set_Value((int)inColor); //Item MUST be stored in a variable THEN the properties must be set.
wiaItem.Properties["6147"].set_Value(dpi);
wiaItem.Properties["6148"].set_Value(dpi);
// var imageFile = (ImageFile)(new CommonDialog()).ShowTransfer(wiaItem, "{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}", false); //wiaItem.Transfer("{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}") as WIA.ImageFile;
var imageFile = wiaItem.Transfer("{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}") as WIA.ImageFile;
if (this.ScanCompleted != null)
{
this.ScanCompleted(this, new ScanCompletedEventArgs(imageFile.FileData.get_BinaryData()));
}
}
catch (Exception)
{
break;
}
finally
{
//determine if there are any more pages waiting
WIA.Property documentHandlingSelect = null;
WIA.Property documentHandlingStatus = null;
foreach (WIA.Property prop in wiaDevice.Properties)
{
if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_SELECT)
{
documentHandlingSelect = prop;
}
if (prop.PropertyID == WIA_PROPERTIES.WIA_DPS_DOCUMENT_HANDLING_STATUS)
{
documentHandlingStatus = prop;
}
}
hasMorePages = false; //assume there are no more pages
if (documentHandlingSelect != null)
//may not exist on flatbed scanner but required for feeder
{
//check for document feeder
if ((Convert.ToUInt32(documentHandlingSelect.get_Value()) & WIA_DPS_DOCUMENT_HANDLING_SELECT.FEEDER) != 0)
{
hasMorePages = ((Convert.ToUInt32(documentHandlingStatus.get_Value()) & WIA_DPS_DOCUMENT_HANDLING_STATUS.FEED_READY) != 0);
}
}
if (hasMorePages && this.SingleOnly)
{
hasMorePages = false;
}
}
}
}