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we are maintaining a 20 old software programmed in vb6. There we use some licensed third party tools like DartZip version 1.5.
Since 2 years we are migrating all the modules to c# .net.
With DartZip I can’t get the license to work. On the same system I compile the vb6 application. On the client side there is no notice of any DartZip trial.
If I compile on the same system the c# / visual studio migration part I got a trial notice on the client.
I tried also to create a licenses.licx file in VS project 

DartZip.Zip, interop.DartZip

Then I got a compilation error.

Error   1   Exception occurred creating type 'DartZip.Zip,   Interop.DartZip, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' System.MissingMethodException: Constructor on type 'DartZip.Zip' not found.    F:\Proman-dev\PromanX_KundenBrunch\PromanXLicence\licenses.licx 1   PromanXLicence

here a part of the used code

using DartZip;
public static void ReadLicence(string aPath, out Status_ReadLicence aStatus)
{
  if (System.IO.File.Exists(Path.Combine(aPath, gLicenceFileName)))
 {
 try
 {
      string lCustomInfo = String.Empty;
      System.IO.File.Copy(Path.Combine(aPath, gLicenceFileName), Path.Combine(lTempPath, gLicenceFileName), true);
      DartZip.Zip z = new Zip();
      z.FileStore.Load(Path.Combine(lTempPath, gLicenceFileName));
      .....

since we are migrating all to a new system, we won't need DartZip any more. But during the migration it would make everything easier.

Has anyone any idea how I could use during the migration the old darzip license on visual studio / c#?

Thx!

Roland
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1 Answers1

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Try creating an empty Licenses.licx file inside your project, on Properties\licenses.licx.

Most 3rd-party libraries are satisfied with that when compiling the project.

Then also install the EmptyLicensesLicx nuget package, and it will make sure there's always an empty Licenses.licx in that same location.

C. Augusto Proiete
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