PS/workspaces>$PSVersionTable.PSVersionMajorMinorPatchPreReleaseLabelBuildLabel----------------------------------------702

# 基本的にコマンドが割り当てられてないキーなら何処でも良い。Set-PSReadLineKeyHandler-ChordAlt+q-FunctionMenuComplete

PS/workspaces>17|gm# Get-Memberのエイリアス

PS/workspaces>'Foo'|gm

PS/workspaces>'Foo'.ToUpper()FOO

PS/workspaces>'Foo'-as[char[]]FooPS/workspaces>[char[]]'Foo'Foo

PS/workspaces>[int[]][char[]]'Foo'70111111PS/workspaces>'Foo'-as[char[]]-as[int[]]70111111

PS/workspaces>'Foo'-as[char[]]-as[Byte[]]|ForEach-Object{$_+10-as[char]}|Join-StringPyyPS/workspaces>('Foo'-as[char[]]-as[Byte[]]).ForEach{$_+10-as[char]}-join''Pyy

PS>$list=[System.Activator]::CreateInstance([System.Collections.Generic.List[int]])PS>$list.Count0PS>$list.AddRange([int[]]@(1..10))PS>$list[4..7]5678PS>$list=[System.Activator]::CreateInstance([System.Collections.Generic.List[int]],[int[]]@(1..5))PS>$list12345

PS>[string].GetConstructors().Count9PS>[string]::newOverloadDefinitions-------------------stringnew(char[]value)stringnew(char[]value,intstartIndex,intlength)stringnew(System.Char*,System.Private.CoreLib,Version=4.0.0.0,Culture=neutral,PublicKeyToken=7cec85d7bea7798evalue)stringnew(System.Char*,System.Private.CoreLib,Version=4.0.0.0,Culture=neutral,PublicKeyToken=7cec85d7bea7798evalue,intstartIndex,intlength)stringnew(System.SByte*,System.Private.CoreLib,Version=4.0.0.0,Culture=neutral,PublicKeyToken=7cec85d7bea7798evalue)stringnew(System.SByte*,System.Private.CoreLib,Version=4.0.0.0,Culture=neutral,PublicKeyToken=7cec85d7bea7798evalue,intstartIndex,intlength)stringnew(System.SByte*,System.Private.CoreLib,Version=4.0.0.0,Culture=neutral,PublicKeyToken=7cec85d7bea7798evalue,intstartIndex,intlength,System.Text.Encodingenc)stringnew(charc,intcount)stringnew(System.ReadOnlySpan[char]value)

PS>[string]::new|Get-MemberTypeName:System.Management.Automation.PSMethodNameMemberTypeDefinition------------------------CopyMethodSystem.Management.Automation.PSMemberInfoCopy()EqualsMethodboolEquals(System.Objectobj)GetHashCodeMethodintGetHashCode()GetTypeMethodtypeGetType()InvokeMethodSystem.ObjectInvoke(ParamsSystem.Object[]arguments)ToStringMethodstringToString()IsInstancePropertyboolIsInstance{get;}MemberTypePropertySystem.Management.Automation.PSMemberTypesMemberType{get;}NamePropertystringName{get;}OverloadDefinitionsPropertySystem.Collections.ObjectModel.Collection[string]OverloadDefinitions{get;}TypeNameOfValuePropertystringTypeNameOfValue{get;}ValuePropertySystem.ObjectValue{get;set;}PS>[string]::new.name.ctor

PS>[string]::Compare.nameComparePS>[string]::Concat.nameConcat

PS>'Bar'.GetType()IsPublicIsSerialNameBaseType----------------------------TrueTrueStringSystem.ObjectPS>[char[]]'Bar'BarPS>[string]::new([char[]]'Bar')BarPS>[string]::new('Bar')Bar

# @を書き忘れるとエラーになるPS❯$WshShell=New-Object-ComObjectWScript.Shell-Property{CurrentDirectory="D:\"}New-Object:Cannotbindparameter'Property'.Cannotconvertthe"CurrentDirectory="D:\""valueoftype"System.Management.Automation.ScriptBlock"totype"System.Collections.IDictionary".⨯PS❯$WshShell=New-Object-ComObjectWScript.Shell-Property@{CurrentDirectory="D:\"}PS❯$WshShell.CurrentDirectoryD:\

usingnamespace<.NET-namespace># 指定したnamecpaceを省略出来るようになるusingmodule<module-name># Powershellモジュールで定義されたクラスを利用出来るようにするusingassembly<.NET-assembly-path># 指定したアセンブリのクラスを継承したクラスを作成するために使う

PS>usingnamespaceSystem.Collections.GenericPS>$list=[List[int]]::new()PS>$list.add(12)PS>$list12PS>$dic=[Dictionary[string,System.Diagnostics.Process]]::new()PS>$dic.Count0PS>Get-Process|ForEach-Object{$dic.TryAdd($_.ProcessName,$_)>$null}PS>$dic.Count140

PS>$OfTypeInt=[System.Linq.Enumerable].GetMethods().where{$_.IsGenericMethod-and$_.name-eq'Oftype'}.MakeGenericMethod([int])PS>$OfTypeInt.Invoke($null,(,@(1,2,'a')))12PS>$OfTypeInt.Invoke($null,@(1,2,'a'))MethodInvocationException:Exceptioncalling"Invoke"with"2"argument(s):"Parameter count mismatch."

usingnamespaceSystem.DrawingusingnamespaceSystem.Windows.FormsAdd-Type-AssemblyNameSystem.Windows.Forms# コンストラクタ# Form作成$form1=[Form]::new()# ボタン作成$button1=[Button]::new()$button2=[Button]::new()# ボタンの設定# サンプルコードとの違い…DialogResultは明示的に設定$button1.Text="OK"$button1.DialogResult=[DialogResult]::OK$button1.Location=[Point]::new(10,10)$button2.Text="Cancel"$button2.DialogResult=[DialogResult]::Cancel$button2.Location=[Point]::new($button1.Left,$button1.Height+$button1.Top+10)# Formの設定$form1.Text="My Dialog Box"$form1.HelpButton=$true$form1.FormBorderStyle=[FormBorderStyle]::FixedDialog$form1.MaximizeBox=$false$form1.MinimizeBox=$false# 生成したボタンを設定$form1.AcceptButton=$button1$form1.CancelButton=$button2# 表示位置$form1.StartPosition=[FormStartPosition]::CenterScreen# 合体$form1.Controls.Add($button1)$form1.Controls.Add($button2)# 表示$form1.ShowDialog()

usingnamespaceSystem.DrawingusingnamespaceSystem.Windows.FormsAdd-Type-AssemblyNameSystem.Windows.Forms$button1=[Button]@{Text="OK";DialogResult=[DialogResult]::OK;Location=[Point]::new(10,20);}$button2=[Button]@{Text="Cancel";DialogResult=[DialogResult]::Cancel;Location=[Point]@{X=$button1.Left;Y=$button1.Height+$button1.Top+10;};}$form1=[Form]@{Text="My Dialog Box";HelpButton=$true;FormBorderStyle=[FormBorderStyle]::FixedDialog;MaximizeBox=$false;MinimizeBox=$false;StartPosition=[FormStartPosition]::CenterScreen;AcceptButton=$button1;CancelButton=$button2;}$form1.Controls.AddRange(@($button1,$button2))$form1.ShowDialog()

usingnamespaceSystem.DrawingusingnamespaceSystem.Windows.FormsAdd-Type-AssemblyNameSystem.Windows.Forms$button1=[Button]@{Text="OK"DialogResult=[DialogResult]::OKLocation=[Point]::new(10,20)}$button2=[Button]@{Text="Cancel"DialogResult=[DialogResult]::CancelLocation=[Point]@{X=$button1.LeftY=$button1.Height+$button1.Top+10}}$form1=[Form]@{Text="My Dialog Box"HelpButton=$trueFormBorderStyle=[FormBorderStyle]::FixedDialogMaximizeBox=$falseMinimizeBox=$falseStartPosition=[FormStartPosition]::CenterScreenAcceptButton=$button1CancelButton=$button2}$form1.Controls.AddRange(@($button1,$button2))$form1.ShowDialog()