private IEnumerable <ScanDevice> GetFullDeviceList()
{
var twainImpl = ScanProfile?.TwainImpl ?? TwainImpl.Default;
if (UseWorker)
{
using (var worker = workerServiceFactory.Create())
{
return(worker.Service.TwainGetDeviceList(twainImpl));
}
}
return(twainWrapper.GetDeviceList(twainImpl));
}
/// <summary>
/// Sends an email described by the given message object.
/// </summary>
/// <param name="message">The object describing the email message.</param>
/// <param name="progressCallback"></param>
/// <param name="cancelToken"></param>
/// <returns>Returns true if the message was sent, false if the user aborted.</returns>
public async Task <bool> SendEmail(EmailMessage message, ProgressHandler progressCallback, CancellationToken cancelToken)
{
return(await Task.Factory.StartNew(() =>
{
MapiSendMailReturnCode returnCode;
if (UseWorker)
{
using (var worker = workerServiceFactory.Create())
{
returnCode = worker.Service.SendMapiEmail(message);
}
}
else
{
returnCode = mapiWrapper.SendEmail(message);
}
// Process the result
if (returnCode == MapiSendMailReturnCode.UserAbort)
{
return false;
}
if (returnCode != MapiSendMailReturnCode.Success)
{
Log.Error("Error sending email. MAPI error code: {0}", returnCode);
errorOutput.DisplayError(MiscResources.EmailError, $"MAPI returned error code: {returnCode}");
return false;
}
return true;
}));
}
/// <summary>
/// Sends an email described by the given message object.
/// </summary>
/// <param name="message">The object describing the email message.</param>
/// <param name="progressCallback"></param>
/// <param name="cancelToken"></param>
/// <returns>Returns true if the message was sent, false if the user aborted.</returns>
public async Task <bool> SendEmail(EmailMessage message, ProgressHandler progressCallback, CancellationToken cancelToken)
{
return(await Task.Factory.StartNew(() =>
{
MapiSendMailReturnCode returnCode;
if (UseWorker && !mapiWrapper.CanLoadClient)
{
using (var worker = workerServiceFactory.Create())
{
returnCode = worker.Service.SendMapiEmail(message);
}
}
else
{
returnCode = mapiWrapper.SendEmail(message);
// It's difficult to get 32/64 bit right when using mapi32.dll. This can help sometimes.
// https://docs.microsoft.com/en-us/office/client-developer/outlook/mapi/building-mapi-applications-on-32-bit-and-64-bit-platforms
if (UseWorker && returnCode == MapiSendMailReturnCode.Failure)
{
using (var worker = workerServiceFactory.Create())
{
returnCode = worker.Service.SendMapiEmail(message);
}
}
}
// Process the result
if (returnCode == MapiSendMailReturnCode.UserAbort)
{
return false;
}
if (returnCode != MapiSendMailReturnCode.Success)
{
Log.Error("Error sending email. MAPI error code: {0}", returnCode);
errorOutput.DisplayError(MiscResources.EmailError, $"MAPI returned error code: {returnCode}");
return false;
}
return true;
}));
}
private WiaItem GetItem(WiaDevice device)
{
if (ScanProfile.UseNativeUI)
{
var hwnd = Invoker.Current.InvokeGet(() => DialogParent.Handle);
bool useWorker = Environment.Is64BitProcess && device.Version == WiaVersion.Wia10;
if (useWorker)
{
WiaConfiguration config;
using (var worker = workerServiceFactory.Create())
{
config = worker.Service.Wia10NativeUI(device.Id(), hwnd);
}
var item = device.FindSubItem(config.ItemName);
device.Properties.DeserializeEditable(device.Properties.Delta(config.DeviceProps));
item.Properties.DeserializeEditable(item.Properties.Delta(config.ItemProps));
return(item);
}
else
{
return(device.PromptToConfigure(hwnd));
}
}
else if (device.Version == WiaVersion.Wia10)
{
// In WIA 1.0, the root device only has a single child, "Scan"
// https://docs.microsoft.com/en-us/windows-hardware/drivers/image/wia-scanner-tree
return(device.GetSubItems().First());
}
else
{
// In WIA 2.0, the root device may have multiple children, i.e. "Flatbed" and "Feeder"
// https://docs.microsoft.com/en-us/windows-hardware/drivers/image/non-duplex-capable-document-feeder
// The "Feeder" child may also have a pair of children (for front/back sides with duplex)
// https://docs.microsoft.com/en-us/windows-hardware/drivers/image/simple-duplex-capable-document-feeder
var items = device.GetSubItems();
var preferredItemName = ScanProfile.PaperSource == ScanSource.Glass ? "Flatbed" : "Feeder";
return(items.FirstOrDefault(x => x.Name() == preferredItemName) ?? items.First());
}
}
/// <summary>
/// Sends an email described by the given message object.
/// </summary>
/// <param name="message">The object describing the email message.</param>
/// <param name="progressCallback"></param>
/// <param name="cancelToken"></param>
/// <returns>Returns true if the message was sent, false if the user aborted.</returns>
public async Task <bool> SendEmail(EmailMessage message, ProgressHandler progressCallback, CancellationToken cancelToken)
{
var configuredClientName = userConfigManager.Config.EmailSetup?.SystemProviderName;
MapiSendMailReturnCode EmailInProc(string clientName) => mapIWrapper.SendEmail(clientName, message);
MapiSendMailReturnCode EmailByWorker(string clientName)
{
using (var worker = workerServiceFactory.Create())
{
return(worker.Service.SendMapiEmail(clientName, message));
}
}
return(await Task.Factory.StartNew(() =>
{
// It's difficult to get 32/64 bit right when using mapi32.dll:
// https://docs.microsoft.com/en-us/office/client-developer/outlook/mapi/building-mapi-applications-on-32-bit-and-64-bit-platforms
// Also some people have had issues with bad DLL paths (?), so we can fall back to mapi32.dll.
var emailFunctions = new List <Func <MapiSendMailReturnCode> >();
if (configuredClientName != null)
{
if (mapIWrapper.CanLoadClient(configuredClientName))
{
emailFunctions.Add(() => EmailInProc(configuredClientName));
}
if (UseWorker)
{
emailFunctions.Add(() => EmailByWorker(configuredClientName));
}
}
if (mapIWrapper.CanLoadClient(null))
{
emailFunctions.Add(() => EmailInProc(null));
}
if (UseWorker)
{
emailFunctions.Add(() => EmailByWorker(null));
}
var returnCode = MapiSendMailReturnCode.Failure;
foreach (var func in emailFunctions)
{
returnCode = func();
if (returnCode != MapiSendMailReturnCode.Failure)
{
break;
}
}
// Process the result
if (returnCode == MapiSendMailReturnCode.UserAbort)
{
return false;
}
if (returnCode == MapiSendMailReturnCode.Success)
{
return true;
}
Log.Error("Error sending email. MAPI error code: {0}", returnCode);
errorOutput.DisplayError(MiscResources.EmailError, $"MAPI returned error code: {returnCode}");
return false;
}));
}
