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Hi all,

With IE, I can use the following code to Open a html file invisible and use IE to call execWB to print that file without any GUI poping up as well. The whole process looks so smoothly and professionally in term of user interaction with this method. 

$oIE= _IECreate ("C:\Test\ShippingLabelV3.html",0,0)
$oIE2.execWB(6,2)

Would you have any suggestion that we can achieve the same goal with either Firefox or Chrome in WebDriver? Your feedback is much appreciated. 

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Hi Danp2,

Thank you for your suggestion. I never thought about the _WD_PrintToPdf. So I tried this 

_WD_Navigate($oFF,"file:///C:/BER/PackingSlipV1.html")

    _WD_PrintToPdf($oFF,"C:\BER\TEst.pdf)

but it does not create any test.pdf file. 

I believe that I did something wrong with this line _WD_PrintToPdf($oFF,"C:\BER\Test.pdf"). Do you have any idea?

(The browser did open the html file successfully )

 

Edited by PnD
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The function doesn't create a file. It returns a string containing the raw PDF file. You could write this to a file or perhaps pass it directly to a printer.

There's a simple example on the forum of the correct way to pass options in the 2nd parameter. For full details on the available options, you have to go back to the Webdriver specs.

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Hi Danp2,

Thank you for your guidance. I searched over the forum and found this thread that seems to be relevant to our topic

However, before I could even give this one a try, I encountered an issue with _WD_PrintToPdf where the log said:

_WD_IsLatestRelease: True
_WD_IsLatestRelease ==> Success
_WD_Startup: OS:    WIN_10 WIN32_NT 19041 
_WD_Startup: AutoIt:    3.3.14.5
_WD_Startup: WD.au3:    0.4.0.4 (Up to date)
_WD_Startup: WinHTTP:   1.6.4.2
_WD_Startup: Driver:    msedgedriver.exe
_WD_Startup: Params:    --verbose --log-path="C:\Autoit Webdriver\msedge.log"
_WD_Startup: Port:  9515
__WD_Post: URL=HTTP://127.0.0.1:9515/session; $sData={"capabilities": {"alwaysMatch": {"ms:edgeOptions": {"binary": "C:/Program Files (x86)/Microsoft/Edge/Application/msedge.exe", "excludeSwitches": [ "enable-automation"],"args":["--user-data-dir=C:\\Users\\phong.nguyenduc\\AppData\\Local\\Microsoft\\Edge\\User Data\\", "--profile-directory=Default"], "useAutomationExtension": false}}}}
__WD_Post: StatusCode=200; ResponseText={"value":{"capabilities":{"acceptInsecureCerts":false,"browserName":"msedge","browserVersion":"91.0....
_WD_CreateSession: {"value":{"capabilities":{"acceptInsecureCerts":false,"browserName":"msedge","browserVersion":"91.0.864.54","ms:edgeOptions":{"debuggerAddress":"localhost:58111"},"msedge":{"msedgedriverVersion":"91.0.864.54 (c789bf186b966721dc5a5b881c7f11b1934f0f0f)","userDataDir":"C:\\Users\\phong.nguyenduc\\AppData\\Local\\Microsoft\\Edge\\User Data\\"},"networkConnectionEnabled":false,"pageLoadStrategy":"normal","platformName":"windows","proxy":{},"setWindowRect":true,"strictFileInteractability":false,"timeouts":{"implicit":0,"pageLoad":300000,"script":30000},"unhandledPromptBehavior":"dismiss and notify","webauthn:extension:largeBlob":true,"webauthn:virtualAuthenticators":true},"sessionId":"c34e13fbd5b775fb23f6b5477c68f8b2"}}
__WD_Post: URL=HTTP://127.0.0.1:9515/session/c34e13fbd5b775fb23f6b5477c68f8b2/url; $sData={"url":"http://www.google.com"}
__WD_Post: StatusCode=200; ResponseText={"value":null}...
_WD_Navigate: {"value":null}
__WD_Post: URL=HTTP://127.0.0.1:9515/session/c34e13fbd5b775fb23f6b5477c68f8b2/print; $sData={}
__WD_Post: StatusCode=500; ResponseText={"value":{"error":"unknown error","message":"unknown error: PrintToPDF is only supported in headless...
__WD_Post ==> Webdriver Exception: {"value":{"error":"unknown error","message":"unknown error: PrintToPDF is only supported in headless mode\n  (Session info: MicrosoftEdge=91.0.864.54)","stacktrace":"Backtrace:\n\tOrdinal0 [0x00007FF6ECC5A072+4431986]\n\tOrdinal0 [0x00007FF6EC90D883+972931]\n\tOrdinal0 [0x00007FF6EC9161DD+1008093]\n\tOrdinal0 [0x00007FF6EC989713+1480467]\n\tOrdinal0 [0x00007FF6EC963056+1323094]\n\tOrdinal0 [0x00007FF6EC975131+1397041]\n\tOrdinal0 [0x00007FF6EC962ECF+1322703]\n\tOrdinal0 [0x00007FF6EC9389FA+1149434]\n\tOrdinal0 [0x00007FF6EC939A5F+1153631]\n\tOrdinal0 [0x00007FF6EC9CBEFD+1752829]\n\tOrdinal0 [0x00007FF6EC9CA492+1746066]\n\tOrdinal0 [0x00007FF6ECB48F24+3313444]\n\tOrdinal0 [0x00007FF6ECC79D09+4562185]\n\tOrdinal0 [0x00007FF6ECC1112E+4133166]\n\tOrdinal0 [0x00007FF6ECC10684+4130436]\n\tOrdinal0 [0x00007FF6ECC104D5+4130005]\n\tOrdinal0 [0x00007FF6ECC2A8CF+4237519]\n\tBaseThreadInitThunk [0x00007FFFEB357034+20]\n\tRtlUserThreadStart [0x00007FFFEB8A2651+33]\n"}}
_WD_Window: {"value":{"error":"unknown error","message":"unknown error: PrintToPDF is only supported in headless...
_WD_Window ==> Webdriver Exception: HTTP status = 500
_WD_PrintToPDF ==> Webdriver Exception
+>13:16:54 AutoIt3.exe ended.rc:0
+>13:16:54 AutoIt3Wrapper Finished.
>Exit code: 0    Time: 8.517

and this is just my simple code for testing, and both of them are generating the same error logs above.

_WD_Navigate($oFF,"http://www.google.com")
   sleep(1000)
   $a=_WD_PrintToPdf($oFF)
    ConsoleWrite($a)
    
    or 
    
   _WD_Navigate($oFF,"file:///C:/BER/PackingSlipV1.html")

   $a= _WD_PrintToPdf($oFF)
    ConsoleWrite($a)

I know this may be too much to ask for, but would you help share with me your experience on how to parse it directly to a printer assuming that I can be able to get the string successfully from the function _WD_PrintToPdf?

 

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12 minutes ago, PnD said:

PrintToPDF is only supported in headless mode

This is a limitation of the Chromium-based browsers. Hopefully the will resolve it at some point. Check out the function header for _WD_PrintToPDF for a link to the open issue.

16 minutes ago, PnD said:

 I searched over the forum and found this thread that seems to be relevant to our topic

I don't believe that this is needed. You should be able to write the string to a file using standard Autoit functions.

18 minutes ago, PnD said:

how to parse it directly to a printer

Unfortunately, this isn't something that I've needed to do yet. Simplest solution would be to output it to a file and then print the file with ShellExecute.

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Thanks Dan! At this point, I may just have to stick around with IE for quite sometime when printing these stuffs until they came up the the non-headless mode solution. Thank you a lot for your guidance though. 

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Hi Dan

I did the test with Firefox and _WD_PrintToPdf actually did produce the string. However, the file just lost its color format in which it turns to Black and White  only. The rest of the format such as Front Size and Frame looks identical to the original file. 

_WD_Navigate($oFF,"file:///C:/BER/PackingSlipV1.html")

   $a= _WD_PrintToPdf($oFF)
   MsgBox(0,0,$a)
   FileDelete("C:\BER\test.pdf")
   FileWrite("C:\BER\test.pdf",$a)
    ShellExecute("C:\BER\test.pdf","","","Print",@SW_HIDE)

Is this something abnormal?

image.png.d9b793c47580b067e00fb6fa132d497b.png

 

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Hi Dan,

ShellExecute would work ok with the original html file except that I have to Send ({Enter}) to the pop-up Print Windows to print which defeats the purpose of doing it silently. 

Since I am printing black and white anyway, the ShellExcecute will print pdf without any Print Windows perfectly. 

It just that when Filewrite a string generate from _WD_PrintToPdf to a pdf file, somehow the colors were just removed as showed in the picture above as well. 

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Did you try to print HTML to pdf manually via browser ?

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Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2023-04-24

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13 hours ago, mLipok said:

Did you try to print HTML to pdf manually via browser ?

Hi mLipok,

Yes, I called the file directly via 

_WD_Navigate($oFF,"file:///C:/BER/PackingSlipV1.html")

 

maybe it's the reason why the color lost?

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No... I mean do not use WD .

Open this file manually in browser and print to pdf manually. 

Check what is going on with colors.

 

In such case Are they properly printed to pdf ?

 

Edited by mLipok

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I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

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56 minutes ago, mLipok said:

No... I mean do not use WD .

Open this file manually in browser and print to pdf manually. 

Check what is going on with colors.

 

In such case Are they properly printed to pdf ?

 

I see what you mean. Interestingly, I try both Chrome and Firefox per your suggestion, and the color is showing again as long as the "Print backgrounds" option is checked on both browsers.  

 

With Print Background checked

image.png.05390ae5e796e79b142e8725836c5326.png

 

Print backgrounds is unchecked

image.png.5c1b21912fd6e8bcd7364a458736b17a.png

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Exactly...

Now @Danp2 turn ;)

 

Edited by mLipok

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My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

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@PnD try:

_WD_Navigate($oFF,"file:///C:/BER/PackingSlipV1.html")
$a= _WD_PrintToPdf($oFF,'{"isCssBackgroundEnabled": True}')

or:

_WD_Navigate($oFF,"file:///C:/BER/PackingSlipV1.html")
$a= _WD_PrintToPdf($oFF,'{"background": True}')

 

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Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST APIErrorLog.au3 UDF - A logging Library * Include Dependency Tree (Tool for analyzing script relations) * Show_Macro_Values.au3 *

 

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF * Dual Monitor resolution detection * * 2GUI on Dual Monitor System * _SciLexer.au3 UDF * SciTE - Lexer for console pane

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

OpenOffice/LibreOffice/XLS Related: WriterDemo.au3 * XLS/MDB from scratch with ADOX

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * IE in TaskSchedulerIE Embedded Control Versioning (use IE9+ and HTML5 in a GUI) * PDF Related:How to get reference to PDF object embeded in IE * IE on Windows 11

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

I also encourage you to check awesome @trancexx code:  * Create COM objects from modules without any demand on user to register anything. * Another COM object registering stuffOnHungApp handlerAvoid "AutoIt Error" message box in unknown errors  * HTML editor

winhttp.au3 related : * https://www.autoitscript.com/forum/topic/206771-winhttpau3-download-problem-youre-speaking-plain-http-to-an-ssl-enabled-server-port/

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

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