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77 lines
1.8 KiB
Markdown
77 lines
1.8 KiB
Markdown
## The *set-volume.ps1* PowerShell Script
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This PowerShell script sets the audio volume in percent.
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## Parameters
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```powershell
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set-volume.ps1 [-Volume] <Int32> [<CommonParameters>]
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-Volume <Int32>
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Specifies the percent number
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Required? true
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Position? 1
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Default value 0
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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## Example
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```powershell
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PS> ./set-volume 50
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```
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## Notes
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Author: Markus Fleschutz | License: CC0
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## Related Links
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https://github.com/fleschutz/PowerShell
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## Source Code
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```powershell
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<#
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.SYNOPSIS
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Sets the volume
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.DESCRIPTION
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This PowerShell script sets the audio volume in percent.
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.PARAMETER volume
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Specifies the percent number
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.EXAMPLE
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PS> ./set-volume 50
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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Param([Parameter(Mandatory=$true)] [ValidateRange(0,100)] [Int] $Volume)
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try {
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# Create the Windows Shell object.
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$obj = New-Object -ComObject WScript.Shell
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# First, set volume to zero.
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1..50 | ForEach-Object { $obj.SendKeys( [char] 174 ) }
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# Calculate number of (volume up) key presses
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$keyPresses = [Math]::Ceiling( $Volume / 2 )
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# Raise volume to specified level.
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for( $i = 0; $i -lt $keyPresses; $i++ ) {
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$obj.SendKeys( [char] 175 )
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}
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& "$PSScriptRoot/speak-english.ps1" "$($Volume)% volume."
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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```
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*Generated by convert-ps2md.ps1 using the comment-based help of set-volume.ps1*
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