How to open a text file

 

Is there any functions to open a file on Windows 10 . I need to open a text file on windows using API.

I think I should use dll files buy I don't know which file and functions can open a text file  by using filename on windows.

 
You can use built in FileOpen() function to open files inside the file sandbox (MQL4\files).
FileOpen - File Functions - MQL4 Reference
FileOpen - File Functions - MQL4 Reference
  • docs.mql4.com
[in]  The name of the file can contain subfolders. If the file is opened for writing, these subfolders will be created if there are no such ones. [in]  value to be used as a separator in txt or csv-file. If the csv-file delimiter is not specified, the default delimiter is ";". If the txt-file delimiter is not specified, then no separator is...
 
Jose Francisco Casado Fernandez:
You can use built in FileOpen() function to open files ins ide the file sandbox (MQL4\files).

Thanks dear Jose Francisco.

I need to open the window of the file. It mean open the file out of sandbox.

So I prefer to use ShellExecuteW()

Reason: