Luis_Programming

<html lang="es"> <head>   <title> Tarea Unidad 3 - SENA </title>   <meta http-equiv="Content-Type"       content="text/html; charset=ISO-8859-1" />     </head>    <style>      table, th, td {   border: 2px solid blueviolet;   }     </style>     <body>         <h4> Elaborado por Luis A. Sanchez </h4>         <h3> CALCULADORA SENA MARZO - 2019</h3>          <h4>A = Adicion   R = Resta     M = Multiplicacion </h4>          <h4>L = Limpiar   D = Dividir   I = Igual </h4>                 ...

https://docs.microsoft.com/en-us/powershell/scripting/samples/multiple-selection-list-boxes?view=powershell-6 ========================= list box controls that allow multiple selections =========================================== Add-Type -AssemblyName System.Windows.Forms Add-Type -AssemblyName System.Drawing $form = New-Object System.Windows.Forms.Form $form.Text = 'Data Entry Form' $form.Size = New-Object System.Drawing.Size(300,200) $form.StartPosition = 'CenterScreen' $OKButton = New-Object System.Windows.Forms.Button $OKButton.Location = New-Object System.Drawing.Point(75,120) $OKButton.Size = New-Object System.Drawing.Size(75,23) $OKButton.Text = 'OK' $OKButton.DialogResult = [System.Windows.Forms.DialogResult]::OK $form.AcceptButton = $OKButton $form.Controls.Add($OKButton) $CancelButton = New-Object System.Windows.Forms.Button $CancelButton.Location = New-Object System.Drawing.Point(150,120) $CancelButton.Size = New-Object System....