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Resolved File information from kernell32
  1. How-to
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  1. Erwin Milke
  2. PowerBuilder
  3. Thursday, 25 June 2020 04:48 PM UTC

Hello guys

I'm trying to read file size, modification date and file type from all files in a given path.

The idea is to simulate a Windows Explorer inside a PB window. 

I'm not aware of an object or function inside Appeon, so I will use any of the following APIs from Kernell32.dll 

  • GetfileSize
  • GetFileInformationByHandle

 

For simplicity, I will use GetFileSize

I declared the external global function GetFileSize as:

Function long GetFileSize (long hFile, double lpFileSizeHigh) Library "Kernell32.dll"

 

I open the file with ll_file = fileopen(filename)  ( ll_file declared as long )

I get "Bad runtime function reference" error. 

I assume "long Hfile" is a bad variable declaration, but don't know how to declare it inside PB as docs.microsoft.com shows:

Should it be an structure data type instead of long?

Thanks for the feedback

 

Error en la Carga de Imágenes en DW Printing DW on a continuous paper
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