DSCResources/ROSSCommon/Src/Get-RegistryValueIgnoreError.ps1

function Get-RegistryValueIgnoreError {
<#
    .NOTES
        https://github.com/PowerShell/xPSDesiredStateConfiguration/blob/dev/DSCResources/MSFT_xPackageResource/MSFT_xPackageResource.psm1
#>


    param (
        [Parameter(Mandatory)]
        [Microsoft.Win32.RegistryHive] $RegistryHive,

        [Parameter(Mandatory)]
        [System.String] $Key,

        [Parameter(Mandatory)]
        [System.String] $Value,

        [Parameter(Mandatory)]
        [Microsoft.Win32.RegistryView] $RegistryView
    )

    try {
        $baseKey = [Microsoft.Win32.RegistryKey]::OpenBaseKey($RegistryHive, $RegistryView);
        $subKey =  $baseKey.OpenSubKey($Key);
        if ($null -ne $subKey) {
            return $subKey.GetValue($Value);
        }
    }
    catch {
        $exceptionText = ($_ | Out-String).Trim();
        Write-Verbose "Exception occured in Get-RegistryValueIgnoreError: $exceptionText";
    }
    return $null;
} #end function Get-RegistryValueIgnoreError