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PowerShell/Scripts/set-volume.ps1
2022-11-18 16:49:17 +01:00

38 lines
927 B
PowerShell
Executable File

<#
.SYNOPSIS
Sets the volume
.DESCRIPTION
This PowerShell script sets the audio volume in percent.
.PARAMETER volume
Specifies the percent number
.EXAMPLE
PS> ./set-volume 50
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
Param([Parameter(Mandatory=$true)] [ValidateRange(0,100)] [Int] $Volume)
try {
# Create the Windows Shell object.
$obj = New-Object -ComObject WScript.Shell
# First, set volume to zero.
1..50 | ForEach-Object { $obj.SendKeys( [char] 174 ) }
# Calculate number of (volume up) key presses
$keyPresses = [Math]::Ceiling( $Volume / 2 )
# Raise volume to specified level.
for( $i = 0; $i -lt $keyPresses; $i++ ) {
$obj.SendKeys( [char] 175 )
}
& "$PSScriptRoot/speak-english.ps1" "$($Volume)% volume."
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}