Hi,

I have this combobox which I try to load with example data but it says empty!

Please advise.
J.

$MainForm_Load={
#TODO: Initialize Form Controls here

}





#region Control Helper Functions
function Load-ListBox 
{
<#
	.SYNOPSIS
		This functions helps you load items into a ListBox or CheckedListBox.

	.DESCRIPTION
		Use this function to dynamically load items into the ListBox control.

	.PARAMETER  ListBox
		The ListBox control you want to add items to.

	.PARAMETER  Items
		The object or objects you wish to load into the ListBox's Items collection.

	.PARAMETER  DisplayMember
		Indicates the property to display for the items in this control.
	
	.PARAMETER  Append
		Adds the item(s) to the ListBox without clearing the Items collection.
	
	.EXAMPLE
		Load-ListBox $ListBox1 "Red", "White", "Blue"
	
	.EXAMPLE
		Load-ListBox $listBox1 "Red" -Append
		Load-ListBox $listBox1 "White" -Append
		Load-ListBox $listBox1 "Blue" -Append
	
	.EXAMPLE
		Load-ListBox $listBox1 (Get-Process) "ProcessName"
#>
	Param (
		[ValidateNotNull()]
		[Parameter(Mandatory=$true)]
		[System.Windows.Forms.ListBox]$ListBox,
		[ValidateNotNull()]
		[Parameter(Mandatory=$true)]
		$Items,
	    [Parameter(Mandatory=$false)]
		[string]$DisplayMember,
		[switch]$Append
	)
	
	if(-not $Append)
	{
		$listBox.Items.Clear()	
	}
	
	if($Items -is [System.Windows.Forms.ListBox+ObjectCollection])
	{
		$listBox.Items.AddRange($Items)
	}
	elseif ($Items -is [Array])
	{
		$listBox.BeginUpdate()
		foreach($obj in $Items)
		{
			$listBox.Items.Add($obj)
		}
		$listBox.EndUpdate()
	}
	else
	{
		$listBox.Items.Add($Items)	
	}

	$listBox.DisplayMember = $DisplayMember	
}

function Load-ComboBox 
{
<#
	.SYNOPSIS
		This functions helps you load items into a ComboBox.

	.DESCRIPTION
		Use this function to dynamically load items into the ComboBox control.

	.PARAMETER  ComboBox
		The ComboBox control you want to add items to.

	.PARAMETER  Items
		The object or objects you wish to load into the ComboBox's Items collection.

	.PARAMETER  DisplayMember
		Indicates the property to display for the items in this control.
	
	.PARAMETER  Append
		Adds the item(s) to the ComboBox without clearing the Items collection.
	
	.EXAMPLE
		Load-ComboBox $combobox1 "Red", "White", "Blue"
	
	.EXAMPLE
		Load-ComboBox $combobox1 "Red" -Append
		Load-ComboBox $combobox1 "White" -Append
		Load-ComboBox $combobox1 "Blue" -Append
	
	.EXAMPLE
		Load-ComboBox $combobox1 (Get-Process) "ProcessName"
#>
	Param (
		[ValidateNotNull()]
		[Parameter(Mandatory=$true)]
		[System.Windows.Forms.ComboBox]$ComboBox,
		[ValidateNotNull()]
		[Parameter(Mandatory=$true)]
		$Items,
	    [Parameter(Mandatory=$false)]
		[string]$DisplayMember,
		[switch]$Append
	)
	
	if(-not $Append)
	{
		$ComboBox.Items.Clear()	
	}
	
	if($Items -is [Object[]])
	{
		$ComboBox.Items.AddRange($Items)
	}
	elseif ($Items -is [Array])
	{
		$ComboBox.BeginUpdate()
		foreach($obj in $Items)
		{
			$ComboBox.Items.Add($obj)	
		}
		$ComboBox.EndUpdate()
	}
	else
	{
		$ComboBox.Items.Add($Items)	
	}

	$ComboBox.DisplayMember = $DisplayMember	
}
#endregion

$combobox1_SelectedIndexChanged={
	#TODO: Place custom script here
	#Load-ComboBox $combobox1 (Get-Process) "ProcessName"
	Load-ComboBox $combobox1 "Red" -Append
	Load-ComboBox $combobox1 "White" -Append
	Load-ComboBox $combobox1 "Blue" -Append
}

Don't use the function.  It requires an intimate understanding of objects. The following works as expected.

$combobox1.DataSource=[collections.arraylist](Get-Process)
$combobox1.DisplayMember='Name'