Public/Imported/Show-BallonTip.ps1

function Show-BalloonTip
{
    [OutputType([void])]
    [CmdletBinding(DefaultParameterSetName = 'IconFilePath')]
    param
    (
        [Parameter(Mandatory,ParameterSetName = 'IconFilePath')]
        [ValidateNotNullOrEmpty()]
        [string]$IconFilePath,

        [Parameter(Mandatory,ParameterSetName = 'Icon')]
        [ValidateNotNullOrEmpty()]
        [System.Drawing.Icon]$Icon,

        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [string]$Text,

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [ValidateSet('Error','Info','None','Warning')]
        [string]$IconType = 'None',

        [Parameter()]
        [ValidateNotNullOrEmpty()]
        [string]$Title
    )

    try {

        $balloon = New-Object System.Windows.Forms.NotifyIcon

        if ($IconFilePath) {
            $icon = $IconFilePath
        }
        $balloon.Icon            = $icon
        $balloon.BalloonTipIcon  = $IconType
        $balloon.BalloonTipText  = $Text
        $balloon.BalloonTipTitle = $Title
        $balloon.Visible         = $true

        $balloon.ShowBalloonTip(1)
    } catch {
        Write-Error -Message $_.Exception.Message
    } finally {
        # $balloon.Dispose()
        # Remove–Variable –Name balloon
    }
}