Created
January 20, 2022 07:48
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スクリーンショットをファイルに保存するコマンド (Command to save a screenshot to a file)
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| <# | |
| .SYNOPSIS | |
| スクリーンショットをファイルに保存します。 | |
| .DESCRIPTION | |
| プライマリ ディスプレイ全体のスクリーンショットをファイルに保存します。 | |
| 高 DPI 環境では、正しい範囲をキャプチャすることができません。 | |
| .PARAMETER FilePath | |
| スクリーンショットの保存先ファイル名。ファイルの形式は PNG です。 | |
| .EXAMPLE | |
| PS> .\Out-ScreenImage.ps1 image.png | |
| #> | |
| [CmdletBinding()] | |
| param( | |
| [parameter(Position = 0, Mandatory = $true)] | |
| [ValidateNotNullOrEmpty()] | |
| [string]$FilePath | |
| ) | |
| Add-Type -AssemblyName System.Windows.Forms -ErrorAction Stop | |
| # https://stackoverflow.com/questions/11246068/why-dont-net-objects-in-powershell-use-the-current-directory | |
| [Environment]::CurrentDirectory = (Get-Location -PSProvider FileSystem).ProviderPath | |
| $DirectoryPath = (Split-Path -Parent $FilePath) | |
| if ($DirectoryPath -and -not (Test-Path $DirectoryPath -PathType Container)) { | |
| throw "$DirectoryPath は存在しないかフォルダではありません。" | |
| } | |
| $Bounds = [System.Windows.Forms.Screen]::PrimaryScreen.Bounds | |
| $Bitmap = New-Object System.Drawing.Bitmap($Bounds.Width, $Bounds.Height, [System.Drawing.Imaging.PixelFormat]::Format32bppArgb) | |
| $Graphics = [System.Drawing.Graphics]::FromImage($Bitmap) | |
| $Graphics.CopyFromScreen($Bounds.X, $Bounds.Y, 0, 0, $Bounds.Size, [System.Drawing.CopyPixelOperation]::SourceCopy) | |
| $Graphics.Dispose() | |
| $Bitmap.Save($FilePath, [System.Drawing.Imaging.ImageFormat]::Png) |
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