OK, glad that you are able to make Alt-Enter work.  I will consider
making that option accessible from the GUI in TurboVNC 3.0, which would
be an easy modification.

On 7/11/19 9:42 AM, Torsten Kupke wrote:
> Hi DRC,
> 
> now Alt-Enter works for me too. Formerly I tried "-fsaltenter" between
> the exe and the vnc file paths. That didn't work. And "/fsaltenter" at
> the same place also didn't. But "/fsaltenter" behind both works:
> 
> "C:\Program Files\TurboVNC\vncviewer.exe"
> C:\Users\Torsten\Documents\ws-torsten-5901.vnc /fsaltenter
> 
> Regarding the issue with Ctrl-Alt-Shift-F we could try to contact
> Microsoft Support. But I suppose, that would hardly be successful.
> Perhaps you in the US have more chances for this than we in Europe.
> 
> Many thanks for the Alt-Enter workaround!
> 
> Best Regards
> 
> Torsten
> 
> Am 10.07.2019 um 02:40 schrieb DRC:
>> I spent some time trying to diagnose the issue but was unable to.  The
>> proximate cause is that, when Ctrl-Alt-Shift-F is pressed, Windows
>> sends the TurboVNC Viewer application a WM_KEYUP event but not an
>> associated WM_KEYDOWN event for the 'F' key.  Thus, the Win32
>> TranslateAccelerator() function does not detect the hotkey.  In other
>> words, the operating system is swallowing the key press for the 'F'
>> key whenever Ctrl-Alt-Shift is pressed.  I googled around but could
>> not find any documentation indicating why that might be occurring,
>> although it does appear that others are having the same problem:
>> https://superuser.com/questions/1445551/what-does-ctrlaltshiftf-key-combination-in-windows-10-pro-version-1903
>>
>>
>> I also could not find any documentation indicating why
>> Ctrl-Alt-Shift-F is reserved, nor does that hotkey have any visible
>> effect when pressed.  My gut says that there is probably some new O/S
>> feature that is monitoring that hotkey, and if so, it should be
>> possible to disable that feature or change its hotkey.  Otherwise, I
>> have no ideas other than the features I proposed in the previous
>> message, which I am unwilling to implement without funding.  I also
>> have no idea why you can't make Alt-Enter work, since it works for
>> me.  Using Alt-Enter would be the preferred workaround for this.
>>
>> I would consider adding a new hotkey to toggle full-screen mode, but:
>> (a) I first need to understand whether it's possible to work around
>> this issue at the O/S level (for instance, by changing or disabling a
>> particular feature.)
>> (b) The Alt-Enter feature already does that, and given that that
>> feature already works fine for me, I am disinclined to add yet another
>> full-screen hotkey.
>>
>> I'm sorry, but that's the limit of what I can do for free at the
>> moment.  If you discover any new information that might be helpful,
>> please follow up.
>>
>> DRC
>>
>> On 7/9/19 4:24 PM, DRC wrote:
>>> On 7/9/19 12:25 PM, Torsten Kupke wrote:
>>>> Your Windows 10 version definitly is one year older than my one. And
>>>> between both there was version 1809, which you missed too. Maybe you
>>>> only will get the newest version, if you explicitly search for
>>>> Windows Updates (there is a button in the Windows Update section of
>>>> the Windows Settings tool to do that). But be careful! Make a
>>>> complete system backup, before you start the version upgrade! If you
>>>> don't upgrade, Microsoft soon will stop support for your old
>>>> version. Maybe Microsoft will try to force you to upgrade. But maybe
>>>> too, that your machine isn't compatible with versions higher than
>>>> 1803. In that case you should buy a new one. ;-)
>>>
>>> (BTW, it's a virtual machine, not a physical one.)  I was finally
>>> able to make it update by running the Windows Update Assistant.  I
>>> can confirm that Ctrl-Alt-Shift-F no longer works, although Alt-Enter
>>> works fine for me as long as I use the left Alt key and pass
>>> /fsaltenter on the TurboVNC Viewer command line.  Also, quite oddly,
>>> the other Ctrl-Alt-Shift key sequences work fine.  It is just
>>> Ctrl-Alt-Shift-F that does not work.  Investigating.
>>>
>>> Also, re-reading your original post, the issue with Alt-Tab can be
>>> worked around by disabling keyboard grabbing.  The default behavior
>>> is to always grab the keyboard and thus transmit special keystrokes
>>> (Alt-Tab, Alt-Esc, etc.) to the server when in full-screen mode, but
>>> you can disable that behavior in the TurboVNC Viewer options.
>>>
>>> Unfortunately SEPA bank transfers cannot be sent to the U.S.
>>>
> 

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