Such as

Drag the Windows notepad how?

Resource managers are easy to install, QT what to get, which tall person to give directions under the

CodePudding user response:

Don't understand your need, if you want to choose in double-click the file automatically when the system default associated application can open this type file see QDesktopServices: : openUrl

CodePudding user response:

Thank you donwmufromdying.
You said this opening is a kind of method, but to reopen a new window,
I want to achieve such as I have opened the notepad (don't want to open another open), directly from me again in the development of QT software drag a file to the organizer,
Then in the notepad with content,