InstalnetCore2.ps1

#azfun init MyFunctionProj
if ((Test-Path "C:\Program Files\dotnet\shared\Microsoft.NETCore.App\2.0.0") -eq $false) {
    Write-Host "No Net Core 2.0 SDK installed. Installing..."
    $NetCore = "C:\Users\richardlee\Downloads\dotnet-sdk-2.0.0-win-x64.exe"
    $NetCoreArgs = {/install /quiet /norestart}
    $process = Start-Process -Verb RunAs -Filepath $NetCore -ArgumentList $NetCoreArgs -Wait -PassThru
    Write-Host "Exit code: $($process.ExitCode)"
    if ($process.ExitCode -ne 0 ){
        Write-Error "Oh dear!"
        Throw 
    }
}
else {
    Write-Host ".Net Core 2.0 Installed..."
}