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> Unreal Engine API Reference > Runtime > Core > GenericPlatform > FGenericPlatformProcess > FGenericPlatformProcess::LaunchFileInDefaultExternalApplication

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FGenericPlatformProcess::LaunchFileInDefaultExternalApplication

Attempt to launch the provided file name in its default external application.

Windows

MacOS

Linux

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/GenericPlatform/GenericPlatformProcess.h
Include	#include "GenericPlatform/GenericPlatformProcess.h"
Source	/Engine/Source/Runtime/Core/Private/GenericPlatform/GenericPlatformProcess.cpp

Syntax

static void LaunchFileInDefaultExternalApplication
(
    const TCHAR * FileName,
    const TCHAR * Parms,
    ELaunchVerb::Type Verb
)

Remarks

Attempt to launch the provided file name in its default external application. Similar to FPlatformProcess::LaunchURL, with the exception that if a default application isn't found for the file, the user will be prompted with an "Open With..." dialog.

Parameters

Parameter	Description
FileName	Name of the file to attempt to launch in its default external application
Parms	Optional parameters to the default application
Verb	Optional verb to use when opening the file, if it applies for the platform.

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