修改鼠标滚轮滚向

# define a func to get mouse devices' info
function Get-MouseDevicesInfo {
    [CmdletBinding()]
    param()

    $devices = Get-PnpDevice -Class Mouse

    $result = @()
    $id = 1

    foreach ($device in $devices)
    {
        $status = $device.Status
        if ($status -ne "OK") { continue }

        $instanceId = (Get-PnpDeviceProperty -InstanceId $device.InstanceId -KeyName "DEVPKEY_Device_InstanceId").Data
        # 这几项如果暂时不需要，可以不请求，提升性能
        # $hardwareIds = (Get-PnpDeviceProperty -InstanceId $device.InstanceId -KeyName "DEVPKEY_Device_HardwareIds").Data -join ", "
        # $manufacturer = (Get-PnpDeviceProperty -InstanceId $device.InstanceId -KeyName "DEVPKEY_Device_Manufacturer").Data
        # $deviceDesc = (Get-PnpDeviceProperty -InstanceId $device.InstanceId -KeyName "DEVPKEY_Device_DeviceDesc").Data

        $deviceParamKeyPath = "HKLM:\SYSTEM\CurrentControlSet\Enum\" + $instanceId + "\Device Parameters"
        try
        {
            $flipFlopWheel = Get-ItemPropertyValue -Path $deviceParamKeyPath -Name "FlipFlopWheel" -ErrorAction Stop
        }
        catch
        {
            $flipFlopWheel = "Not Found"
        }

        $result += [PSCustomObject]@{
            Id = $id++
            Name = $device.Name
            FlipFlopWheel = $flipFlopWheel
            InstanceId = $instanceId
        }
    }

    return $result
}

# define a func to modify FlipFlopWheel for device
function Set-FlipFlopWheel
{
    param (
        [string]$name, # Only for print name, not other functional usage
        [string]$instanceId,
        [int]$value
    )

    if ($value -ne 0 -and $value -ne 1)
    {
        Write-Output "Invalid value for FlipFlopWheel: $value. Please specify 0 or 1."
        return
    }

    $deviceParamKeyPath = "HKLM:\SYSTEM\CurrentControlSet\Enum\" + $instanceId + "\Device Parameters"

    try
    {
        Set-ItemProperty -Path $deviceParamKeyPath -Name "FlipFlopWheel" -Value $value -ErrorAction Stop
        $newFlipFlopValue = Get-ItemPropertyValue -Path $deviceParamKeyPath -Name "FlipFlopWheel" -ErrorAction Stop
        Write-Output "device $( $name )'s FlipFlopWheel value has been modified to $newFlipFlopValue."
    }
    catch
    {
        Write-Output "try to modify device $( $name )'s FlipFlopWheel value err: $_"
    }
}

while ($true)
{
    Write-Output "Scanning devices..."
    
    $result = Get-MouseDevicesInfo
    # print the device info to screen
    $result | Format-Table -AutoSize

    if ($result.Count -eq 0)
    {
        $userInput = Read-Host "No active HID-compliant mouse devices found. R to refresh or any to quit"
        if ($userInput -in @("R", "r"))
        {
            continue
        }
        break
    }

    $selectedId = Read-Host "Please input id to modify (or Q to quit, or R to refresh)"

    if ($selectedId -in @("Q", "q"))
    {
        break
    }

    if ($selectedId -in @("R", "r"))
    {
        continue
    }

    $selectedDevice = $result | Where-Object { $_.Id -eq [int]$selectedId }

    if ($selectedDevice)
    {
        $target = 1
        if ($selectedDevice.FlipFlopWheel -eq 1)
        {
            $target = 0
        }

        $userInput = Read-Host "Do you want to modify Id-($selectedId)'s FlipFlopWheel to $target ? (Y/N)"

        if ($userInput -eq "Y" -or $userInput -eq "y")
        {
            Set-FlipFlopWheel -name $selectedDevice.Name -instanceId $selectedDevice.InstanceId -value $target
        }
    }
    else
    {
        Write-Output "illegal device id."
    }

    Write-Output ""
    $continueInput = Read-Host "Press Enter Q to quit or any to continue"

    if ($continueInput -in @("Q","q"))
    {
        break
    }
}

pause