main

docs/document/Powershell/docs/Language/Array.md

@@ -0,0 +1,9 @@
+# Array
+
+## Creation
+
+> [!NOTE]
+> The default type of a array literal is `object[]`, you can annotate with a type.
+> ```ps1
+> [int[]]$foo = 1, 2, 3
+> ```

docs/document/Powershell/docs/Object Manipulation/ETS Property.md

@@ -0,0 +1,21 @@
+# ETS Property
+
+Extended Type System in Powershell has 4 kinds of property:
+
+- Alias Property: An simple alias for another property.
+- Script Property: Getter/Setter for a custom property that can access other members, represented as a script block.
+- Note Property: An extra independent property added to the object.
+
+## Alias Property
+
+- Inspect Alias Property by:
+
+```ps1
+gps | gm -MemberType AliasProperty
+```
+
+- Add Alias Property by:
+
+```ps1
+
+```

docs/document/Powershell/docs/Object Manipulation/Extended Type System.md

@@ -26,4 +26,14 @@ The functionality of ETS achieved benifits:
 
 ## ETS Members
 
+To represent meta of ETS members, Powershell has an abstract class called `PSMemberInfo`, each concrete member info type is derived from it.
 
+```cs
+public abstract class PSMemberInfo { }
+```
+
+
+The facts of ETS members:
+- each member has a type inherited from `PSMemberInfo`.
+
+## PSObject

docs/document/Powershell/docs/Object Manipulation/ForEach.md

@@ -28,3 +28,5 @@ If you do want a `$null` return, use `Out-Null` to swallow the value.
 (gci | foreach { $_.Name | Out-Null }) -eq $null # True
 ```
 
+
+

docs/document/Powershell/docs/Object Manipulation/Object Creation.md

@@ -0,0 +1,5 @@
+# Object Creation
+
+- Create a `.NET` type instance.
+- Create a `PSObject`.
+- Create a `PSCustomObject`

docs/document/Powershell/docs/Object Manipulation/Select.md

@@ -79,11 +79,11 @@ gps | select -ExpandProperty Name
 
 > [!NOTE]
 >  `Foreach-Object` can achieve the same thing
-```ps1
-gps | foreach Name
-# or use another alias of Foreach-Object %
-gps | % Name
-```
+> ```ps1
+> gps | foreach Name
+> # or use another alias of Foreach-Object %
+> gps | % Name
+> ```
 
 ### Append Extra NoteProperty
 
@@ -105,8 +105,6 @@ $john = @{
 $john | select Name, Age -ExpandProperty Pet
 ```
 
-
-
 > [!NOTE]
 > `-ExpandProperty` can only take one property.
 

docs/document/Powershell/docs/Object Manipulation/Sort.md

@@ -0,0 +1,3 @@
+# Sort
+
+