Added reflection examples

Author: alan-null

development/ps/reflection.ps1

@@ -0,0 +1,25 @@
+# constructor
+$constructorInfo = [System.IO.FileInfo].GetConstructor([string].AsType())
+$constructorInfo = [System.IO.FileInfo].GetConstructor("public,instance", $types)
+$constructorInfo.Invoke('C:\Windows')
+
+# private field
+$obj = [System.IO.FileInfo]::new('C:\Windows')
+$field = [System.IO.FileInfo].GetField("_name", "nonpublic,instance")
+# longer version
+$field = [System.IO.FileInfo].GetField("_name", [System.Reflection.BindingFlags]::NonPublic -bor [System.Reflection.BindingFlags]::Instance)
+$field.GetValue($obj)
+
+# private method - static
+$obj = $null
+$privMethod = [System.DateTime].GetMember("DateToTicks", "nonpublic,static")
+$privMethod.Invoke($obj, @(2023, 10, 10))
+
+# private method - instance
+$obj = [System.DateTime]::Now
+$privMethod = [System.DateTime].GetMember("GetDatePart", "nonpublic,instance")
+$privMethod.Invoke($obj, @(0))
+
+# private method - args requirements
+$privMethod = [System.DateTime].GetMethod("DateToTicks", "nonpublic,static", $null, @([int], [int], [int]), @())
+$privMethod.Invoke($obj, @(2023, 10, 10))