Add groups to a ListView control

In my last blog post I showed how to work with the ListView in PowerShell Studio to add Groups and Items.

Now I will show how easy it is to add Groups with PowerShell code so this will be more flexible.

Add a ListView Control to a new form.

Change the following properties:

CheckBoxes
True

View
Details

Alignment
Left

Columns
Add a default column

And then it’s thime for the code:

$myGroups = "Group One","Group Two","Group Three"

$listview1.BeginUpdate()

foreach ($myGroup in $myGroups) {
	$listview1.Groups.Add($myGroup)
}

$listview1.EndUpdate()

BeginUpdate and EndUpdate is best to use to have the ListView Control in a good state.

After this our form will look like this:

We need to add Items to be able to see our Groups.

$myItems = "One","Two","Three"
	
foreach ($myItem in $myItems) {
	Add-ListViewItem -ListView $listview1 -Items $myItem
}

This is very easy when working with PowerShell Studio.
When adding a ListView Control a function for adding Items is added as well.

When adding ListView items to a specific group we need to specifiy that when adding the Item.
Now we have added all items to the default Group.

To add a specific item to a specific Group we need to do like this:

Add-ListViewItem -ListView $listview1 -Items "One" -Group $listview1.Groups[0]
Add-ListViewItem -ListView $listview1 -Items "Two" -Group $listview1.Groups[1]
Add-ListViewItem -ListView $listview1 -Items "Three" -Group $listview1.Groups[2]

Yes, we can’t address the Groups with names
You need address it as an Array.

But there are several ways to go round that.

I will show you how I have done in my next post.