runtime

Retrieving VFP runtime DLL name required by EXE or DLL

Submitted by Sergey on March 4, 2010 - 11:09

VFP stores in an EXE/DLL information about what runtime DLL is required to run it.

This is sample code. Add error handling and adjust to your requirements as necessary.

? VfpVersionFromExeOrDll("C:\Program Files\My Company\MyVfpApplication.exe")
? VfpVersionFromExeOrDll("X:\Somefolder\MyVfpDll.dll")

Appropriate license for this class not found error at runtime

Submitted by Sergey on September 1, 2009 - 09:30

Code that runs fine in development may generate Appropriate license for this class not found (OLE error code 0x80040112) at run-time.

There are two types of licenses for ActiveX controls - development and run-time. See INFO: OLE Control Licensing in Visual FoxPro for more information.

VFP 9.0 Versions

Submitted by Sergey on July 21, 2008 - 08:42

VFP 9.0 version information for service packs and hotfixes.

VFP 9.0 Report Features in Runtime

Submitted by Sergey on January 1, 2008 - 22:43

In order to deploy VFP 9.0 object-assisted report features in runtime, the REPORT*.APP files have to be distributed with your application and their location stored into _REPORT* system variables.
The error 'Variable _REPORTOUTPUT is not found' may be generated if they are not populated properly.

How to pass parameters to VFP EXE

Submitted by Sergey on January 1, 2008 - 20:59

Passing command-line parameters from Windows to VFP created EXE is different from passing parameters to VFP programs or functions in VFP application:

  • All parameters are passed to EXE as strings
  • Parameters should not be enclosed in single quotes because quotes will be treated as part of parameter
  • Parameters with spaces can be enclosed in double quotes
  • Parameters are separated by spaces not commas
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_REPORT* system variables
File System Variable Notes