Want to add some visual components to your PowerShell scripts? Maybe accept user input? Or, display a message? These GUI elements can be created using PowerShell.
In this post, I create a simple form, center the form on the screen, create an input field, and perform some logic on the input.
What the form looks like
The pop up when the user enters some data
The pop up when the user does not enter any data
Code
Add-Type -AssemblyName System.Windows.Forms
Add-Type -AssemblyName System.Drawing
# Create form and center
$Form1 = New-Object System.Windows.Forms.Form
$Form1.Text = "Data Form"
$Form1.Size = New-Object System.Drawing.Size(300,200)
$Form1.StartPosition = "CenterScreen"
# Icon
$Form1.Icon = [Drawing.Icon]::ExtractAssociatedIcon((Get-Command powershell).Path)
# Create the buttons
$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
$Form1.AcceptButton = $OKButton
$Form1.Controls.Add($OKButton)
$CancelButton = New-Object System.Windows.Forms.Button
$CancelButton.Location = New-Object System.Drawing.Point(150,120)
$CancelButton.Size = New-Object System.Drawing.Size(75,23)
$CancelButton.Text = "Cancel"
$CancelButton.DialogResult = [System.Windows.Forms.DialogResult]::Cancel
$Form1.CancelButton = $CancelButton
$Form1.Controls.Add($CancelButton)
# Create a text label for input box
$Label1 = New-Object System.Windows.Forms.Label
$Label1.Location = New-Object System.Drawing.Point(10,20)
$Label1.Size = New-Object System.Drawing.Size(280,20)
$Label1.Text = "Enter data here:"
$Form1.Controls.Add($Label1)
# Create an input box
$textBox = New-Object System.Windows.Forms.TextBox
$textBox.Location = New-Object System.Drawing.Point(10,40)
$textBox.Size = New-Object System.Drawing.Size(260,20)
$Form1.Controls.Add($textBox)
$Form1.Topmost = $True
$Form1.Add_Shown({$textBox.Select()})
$result = $Form1.ShowDialog()
# Perform logic
# When user clicks OK
if ($result -eq [System.Windows.Forms.DialogResult]::OK)
{
$x = $textBox.Text
$x
if ($x) {
[System.Windows.Forms.MessageBox]::Show("You entered: $x", "Test Title",0,64)
# YOUR CODE GOES HERE
}
else {
[System.Windows.Forms.MessageBox]::Show("You didn't enter anything!", "Test Title",0,48)
# YOUR CODE GOES HERE
}
Notes
Button Type
0 OK
1 OKCancel
2 AbortRetryIgnore
3 YesNoCancel
4 YesNo
5 RetryCancel
Dialog Box Icon
0 None
16 Hand
16 Error
16 Stop
32 Question
48 Exclamation
48 Warning
64 Asterisk
64 Information
Suppress Error
Command -ErrorAction SilentlyContinue
Suppress all Errors
$ErrorActionPreference= ‘silentlycontinue’
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