Fixed issue with -ArgumentList and buttons.

src/UniversalDashboard.MaterialUI/Components/button.jsx

@@ -24,7 +24,7 @@ const UdButton = props => {
 
   const handleClick = () => {
     if (props.onClick == null) return
-    props.notifyOfEvent('onClick', '')
+    props.onClick();
   }
 
   var icon = props.icon ? (

src/UniversalDashboard.MaterialUI/Scripts/button.ps1

@@ -64,7 +64,7 @@ function New-UDButton {
         [switch]$FullWidth,
 
         [Parameter (Position = 7)]
-        [object]$OnClick,
+        [Endpoint]$OnClick,
 
         [Parameter (Position = 8)]
         [ValidateSet("small", "medium", "large")]
@@ -83,13 +83,9 @@ function New-UDButton {
 
     End {
 
-        if ($null -ne $OnClick) {
-            if ($OnClick -is [scriptblock]) {
-                $OnClick = New-UDEndpoint -Endpoint $OnClick -Id ($Id + "onClick")
-            }
-            elseif ($OnClick -isnot [UniversalDashboard.Models.Endpoint]) {
-                throw "OnClick must be a script block or UDEndpoint"
-            }
+        if ($OnClick)
+        {
+            $OnClick.Register($Id, $PSCmdlet)
         }
 
         @{

src/UniversalDashboard.MaterialUI/Tests/button.tests.ps1

@@ -2,6 +2,11 @@ Enter-SeUrl -Target $Driver -Url "http://localhost:10000/button"
 
 Describe "button" {
 
+    It 'works with argumentlist' {
+        Find-SeElement -Id 'arugmentList' -Driver $Driver | Invoke-SeClick
+        Get-TestData | Should be "Some Text"
+    }
+
     It 'has default variant' {
         $Element = Find-SeElement -Id 'btnDefault' -Driver $Driver
         $Element.GetAttribute("class").Contains('MuiButton-contained') | should be $true

src/UniversalDashboard.MaterialUI/dashboard.ps1

@@ -76,6 +76,13 @@ New-UDDashboard -Title "Dashboard" -Theme (get-udtheme basic) -Pages @(
         New-UDButton -Text "Submit" -Id "btnClick" -Icon $Icon -OnClick {
             Set-TestData -Data "OnClick"
         }
+
+        $MyVariable = "Some Text"
+        New-UDButton -Text "Click me!" -Id 'arugmentList' -OnClick (
+            New-UDEndpoint -Endpoint {
+                Set-TestData -Data $ArgumentList[0]
+            } -ArgumentList @($MyVariable)
+        )
     }
 
     New-UDPage -Name 'Card' -Content {