Stack trace: Invalid attempt to call WinAPI::findFirstFile running in CIL on the client. – Bojensen Blogs
Bojensen Blogs

Stack trace: Invalid attempt to call WinAPI::findFirstFile running in CIL on the client.

This error you will normally encounter when running a batch job. The issue is that batch processing doesn’t suppport WINAPI::findFirstFile method. Actually I was trying to find a file in the folder and moving to some other folder, you can use this alternative:

public void run()
{
    System.IO.DirectoryInfo di;
    System.Type arrayType;
    System.Array array;
    System.IO.FileInfo fi;
    FilePath filePath, moveFilePath, shortFile;
    int i;
    int l;
    ;
    super();
    baseFolder = tEC_InterfaceSetup.TEC_DefaultFolder +””;
    di = new System.IO.DirectoryInfo(baseFolder);
    arrayType = System.Type::GetType(“System.IO.FileInfo”);
    array = System.Array::CreateInstance(arrayType, 1);
    array = di.GetFiles(“*” + #txt);
    l = array.get_Length();
    if (l > 0)
    {
        //Find the files in the base folder and iterate.
        for (i = 0; i < l; i++)
        {
            fi = array.GetValue(i);
            mainFolder = fi.get_FullName();
            foundBaseFileName = fi.get_Name(); 
         //**********Your logic************
        }
        InterfaceTransfer::moveFile(foundBaseFileName , moveFilePath);
    }
}

server static void moveFile(str fileName, str newFileName)
{
    #File
    Set                 permissionSet;
    permissionSet =  new Set(Types::Class);
    permissionSet.add(new FileIOPermission(fileName,#io_write));
    permissionSet.add(new InteropPermission(InteropKind::ClrInterop));
    CodeAccessPermission::assertMultiple(permissionSet);
    System.IO.File::Move(fileName, newFileName);
    CodeAccessPermission::revertAssert();
}

Hope this helps.

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