Migrating from 32 bit to 64 bit

[smig]

I'm trying to migrate a big AC2003 project to AC2010 64

I saw I need to change all Declare into Declare PtrSafe.
Do I need to change it for all Functions and Subs ?

I also saw I need to change Long vars into LongPtr or LongLong, but this confused me more :banghead:
They didn't change the Long Function type, only the vars the function get.
When I tried to change the type of vars inside Functions or Subs I couldn't do any math calculations on them, Like lngVar + 1.

Thank you
Tal

 

[arnelgp]

yes you have to change all your api declaration, together with the subs and functions that are using your api.

 

[spikepl]

Search my name and 64. The last or so post has a link to Microsoft listing of all API's changed for 64 bits

 

[smig]

Search my name and 64. The last or so post has a link to Microsoft listing of all API's changed for 64 bits

Thank you,
I found your Adapting API functions to Office 64 thread
I found exactly the same MS, so called help, that caused me to ask the exact same questions

Let me know if I got it right, after reading the Using the Win32API_PtrSafe doc.
I only need to change the Windows API calls, and I can take these directly from the Using the Win32API_PtrSafe.txt file.
No need to change any of my oun variables in any function or sub.

 

[arnelgp]

try compiling your code, if error occurs just define a new type of variable, ie:

#If win64 then
dim yourVariable As LongPtr
#Else
dim yourVariable As Long
#End If