FWH 64 drag and drop

[rhlawek]

Antonio,

It appears that somewhere between 16.03 and 16.08 drag and drop functionality has been broken again in 64 bit apps. I know it was working, I think last in 16.03. I found the issue regression testing my own code, but the error is reproducible if you build testdrop.prg as a 64 bit app. Anything dropped on testdrop built as a 64 bit app will hit the following zero files condition and popup the message box. 32 bit seems to work fine, only 64 bit is effected.

46 if( wFiles == 0 )
47 MessageBox( 0, "zero files", "ok", 0 );

Unfortunately I don't have a copy of the 16.03 64 bit files available, but I confirmed this is broken in all builds from 16.04 through 16.08. I do not have a workaround.

Robb

[nageswaragunupudi]

I just now tested
fwh\samples\testdrop.prg

This is working correctly with 32 bits as well as 64 bits both MSVC and bcc7.

Can you please check testdrop.prg in the samples folder?

[rhlawek]

As stated in my post, I did test with testdrop.prg from the samples folder and reproduced the issue with no difficulty. Using VS 2015. This is also on Windows 10 64 bit, I haven't verified it outside of this environment yet. But, as I stated, this had been working previously without issue since March or so, I thought we were past this.

I attempted to directly compile in dropfile.c, which works fine in 32 bit, but won't compile in 64 bit, complaining about HDROP on line 7 being redefined when doing a unicode build.

Robb

[rhlawek]

I figured out what was wrong on my end, but I'm not sure what happened exactly. I do all my development on one machine then I have a separate dedicated machine where I do my production builds. It was the production builds I was testing. I was going to get the error log and attach that to show the call stack but I then noticed the 64 bit error log showed 16.03 as the version, not 16.08 as expected. The 32 bit libs were 16.08. All files had the same October timestamp, and I can't see how the 64 bit libs were older, but they were. Very odd.

In any case, I cleaned up and reinstalled everything on the production build machine and verified the libraries are as expected. A quick test showed drag and drop is working now. Back to regression testing.

Thank you for the attention, sorry for what was ultimately a false alarm.

Robb