powershell 32 UI 5 listview paint

check colors to show circles

 Add-Type -AssemblyName System.Windows.Forms

[System.Windows.Forms.Application]::EnableVisualStyles() 

$sampleForm = New-Object System.Windows.Forms.Form

$sampleForm.Width = 500

$sampleForm.Height = 350 

# Create three ListViewItems

$item1 = New-Object System.Windows.Forms.ListViewItem('Red')

$item1.SubItems.Add('#ff0000')

$item1.SubItems.Add('rgb(255, 0, 0)')

$item2 = New-Object System.Windows.Forms.ListViewItem('Green')

$item2.SubItems.Add('#00ff00')

$item2.SubItems.Add('rgb(0, 255, 0)')

$item3 = New-Object System.Windows.Forms.ListViewItem('Blue')

$item3.SubItems.Add('#0000ff')

$item3.SubItems.Add('rgb(0, 0, 255)')

# Create a ListView, set the view to 'Details' and add columns

$listView = New-Object System.Windows.Forms.ListView

$listView.View = 'Details'

$listView.Width = 450

$listView.Height = 120

$listView.Location = New-Object System.Drawing.Point(20, 20)

$listView.Columns.Add('Color', 120)

$listView.Columns.Add('Hex', 120)

$listView.Columns.Add('Rgb', 120)

# Display check boxes.

$listView.CheckBoxes = $true;

# Display grid lines.

$listView.GridLines = $true;

# Add items to the ListView

$listView.Items.AddRange(($item1, $item2, $item3))

$imageList = new-Object System.Windows.Forms.ImageList 

$imageList.ImageSize = New-Object System.Drawing.Size(15, 15) # Size of the pictures

 

$bitm1 = [System.Drawing.Image]::FromFile("C:\Users\bob\Desktop\1.png")

$bitm2 = [System.Drawing.Image]::FromFile("C:\Users\bob\Desktop\2.png")

$bitm3 = [System.Drawing.Image]::FromFile("C:\Users\bob\Desktop\3.png")

$imageList.Images.Add("image1", $bitm1) 

$imageList.Images.Add("image2", $bitm2)

$imageList.Images.Add("image3", $bitm3)

$listView.SmallImageList = $imageList

$item1.ImageIndex = 0

$item2.ImageIndex = 1

$item3.ImageIndex = 2

$formGraphics = $sampleForm.createGraphics()

# code or call to a function to perform graphics drawing

$RBrush = [System.Drawing.SolidBrush]::New([System.Drawing.Color]::FromArgb(100, 255, 0, 0))

$GBrush = [System.Drawing.SolidBrush]::New([System.Drawing.Color]::FromArgb(100, 0, 255, 0))

$BBrush = [System.Drawing.SolidBrush]::New([System.Drawing.Color]::FromArgb(100, 0, 0, 255))

$RRec = [System.Drawing.Rectangle]::New(178, 150, 100, 100)

$GRec = [System.Drawing.Rectangle]::New(150, 195, 100, 100)

$BRec = [System.Drawing.Rectangle]::New(206, 195, 100, 100)

$sampleForm.Controls.AddRange(@($listView))

$ListView.Add_ItemChecked( { listView_ItemChecked })

function listView_ItemChecked {

    $sampleForm.add_paint(

        {

            if ($item1.Checked) { $formGraphics.FillEllipse($RBrush, $RRec) }

            if ($item2.Checked) { $formGraphics.FillEllipse($GBrush, $GRec) }

            if ($item3.Checked) { $formGraphics.FillEllipse($BBrush, $BRec) }

        }

    )

    $sampleForm.refresh()

}

[void] $sampleForm.ShowDialog()

reference:

https://audministrator.wordpress.com/2020/06/07/powershell-gui-listview-icons-example/

https://social.technet.microsoft.com/Forums/scriptcenter/de-DE/553f06bc-522c-4854-9e28-d0e219a789a6/powershell-and-systemwindowsformslistview?forum=ITCG

https://docs.microsoft.com/en-us/dotnet/api/system.windows.forms.listview.checkboxes?view=netcore-3.1

fill circle

http://mctexpert.blogspot.com/2016/02/draw-using-transparent-colors-with.html

https://www.techotopia.com/index.php/Drawing_Graphics_using_PowerShell_1.0_and_GDI%2B