在UE4里打开外部文件

//启动外部程序
void OpenFile(FString FilePath)
{
    //static FProcHandle CreateProc
    //(
    //  const TCHAR * URL,
    //  const TCHAR * Parms,
    //  bool bLaunchDetached,
    //  bool bLaunchHidden,
    //  bool bLaunchReallyHidden,
    //  uint32 * OutProcessID,
    //  int32 PriorityModifier,
    //  const TCHAR * OptionalWorkingDirectory,
    //  void * PipeWriteChild,
    //  void * PipeReadChild
    //)
    FPlatformProcess::CreateProc(*FilePath, nullptr, true, false, false, nullptr, 0, nullptr, nullptr);
}

这里是官方文档
https://docs.unrealengine.com/latest/INT/API/Runtime/Core/GenericPlatform/FGenericPlatformProcess/CreateProc/index.html