PowerShell/docs/set-volume.md
2024-11-20 11:52:20 +01:00

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The *set-volume.ps1* Script
===========================
This PowerShell script sets the audio volume to the given value in percent (0..100).
Parameters
----------
```powershell
/home/markus/Repos/PowerShell/scripts/set-volume.ps1 [-percent] <Int32> [<CommonParameters>]
-percent <Int32>
Specifies the volume in percent (0..100)
Required? true
Position? 1
Default value 0
Accept pipeline input? false
Accept wildcard characters? false
[<CommonParameters>]
This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
```
Example
-------
```powershell
PS> ./set-volume.ps1 50
```
Notes
-----
Author: Markus Fleschutz | License: CC0
Related Links
-------------
https://github.com/fleschutz/PowerShell
Script Content
--------------
```powershell
<#
.SYNOPSIS
Sets the audio volume
.DESCRIPTION
This PowerShell script sets the audio volume to the given value in percent (0..100).
.PARAMETER percent
Specifies the volume in percent (0..100)
.EXAMPLE
PS> ./set-volume.ps1 50
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
Author: Markus Fleschutz | License: CC0
#>
Param([Parameter(Mandatory=$true)] [ValidateRange(0,100)] [Int] $percent)
try {
# Create the Windows Shell object.
$obj = New-Object -ComObject WScript.Shell
# First, set volume to zero.
for ([int]$i = 0; $i -lt 100; $i += 2) {
$obj.SendKeys([char]174) # each tick is -2%
}
# Raise volume to specified level.
for ([int]$i = 0; $i -lt $percent; $i += 2) {
$obj.SendKeys([char]175) # each tick is +2%
}
exit 0 # success
} catch {
"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
exit 1
}
```
*(generated by convert-ps2md.ps1 as of 11/20/2024 11:52:00)*