Powershell Button in Column im Datagridview deaktivieren

function GenerateForm {

#region Import the Assemblies
[reflection.assembly]::loadwithpartialname("System.Windows.Forms") | Out-Null  
[reflection.assembly]::loadwithpartialname("System.Drawing") | Out-Null  
#endregion

#region Generated Form Objects
$form1 = New-Object System.Windows.Forms.Form
$dataGridView1 = New-Object System.Windows.Forms.DataGridView
$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState
$timer = New-Object System.Windows.Forms.Timer
#endregion Generated Form Objects


$script:status = $false
$timer.Interval = 4000
$timer.add_Tick({
    $script:status = $false
    $dataGridView1.Refresh()
})

#----------------------------------------------
#Generated Event Script Blocks
#----------------------------------------------
#Provide Custom Code for events specified in PrimalForms.

$handler_dataGridView1_CellContentClick= {
    if (!$script:status){ 
        $timer.Start()
        $script:status = $true
    }
    
}

$handler_dataGridView1_CellPainting= 
{
    if ($script:status -and $_.ColumnIndex -eq 1 -and $_.RowIndex -eq 0){ 
        $_.Paint($_.CellBounds,[System.Windows.Forms.DataGridViewPaintParts]::Background)
        $_.Graphics.DrawString("- job running -",(New-Object System.Drawing.Font("Arial",10)),(new-object System.Drawing.SolidBrush("Gray")),(new-Object System.Drawing.PointF(($_.CellBounds.Left + 2), ($_.CellBounds.Top + 2))))  
        $_.Handled = $true
    }

}

$OnLoadForm_StateCorrection=
{#Correct the initial state of the form to prevent the .Net maximized form issue
	$form1.WindowState = $InitialFormWindowState
}

#----------------------------------------------
#region Generated Form Code
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 211
$System_Drawing_Size.Width = 292
$form1.ClientSize = $System_Drawing_Size
$form1.DataBindings.DefaultDataSourceUpdateMode = 0
$form1.Name = "form1"  
$form1.Text = "Primal Form"  
$form1.add_Closing({
    $timer.Dispose()
})

$System_Windows_Forms_DataGridViewTextBoxColumn_5 = New-Object System.Windows.Forms.DataGridViewTextBoxColumn
$System_Windows_Forms_DataGridViewTextBoxColumn_5.HeaderText = "Name"  
$System_Windows_Forms_DataGridViewTextBoxColumn_5.Name = ""  
$System_Windows_Forms_DataGridViewTextBoxColumn_5.Width = 100

$dataGridView1.Columns.Add($System_Windows_Forms_DataGridViewTextBoxColumn_5)|Out-Null
$System_Windows_Forms_DataGridViewButtonColumn_6 = New-Object System.Windows.Forms.DataGridViewButtonColumn
$System_Windows_Forms_DataGridViewButtonColumn_6.HeaderText = "Button"  
$System_Windows_Forms_DataGridViewButtonColumn_6.Name = ""  
$System_Windows_Forms_DataGridViewButtonColumn_6.Text = "Klick"  
$System_Windows_Forms_DataGridViewButtonColumn_6.Width = 100

$dataGridView1.Columns.Add($System_Windows_Forms_DataGridViewButtonColumn_6)|Out-Null
$dataGridView1.DataBindings.DefaultDataSourceUpdateMode = 0
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 12
$dataGridView1.Location = $System_Drawing_Point
$dataGridView1.Name = "dataGridView1"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 151
$System_Drawing_Size.Width = 268
$dataGridView1.Size = $System_Drawing_Size
$dataGridView1.TabIndex = 0
$dataGridView1.add_CellPainting($handler_dataGridView1_CellPainting)
$dataGridView1.add_CellContentClick($handler_dataGridView1_CellContentClick)

$form1.Controls.Add($dataGridView1)

#endregion Generated Form Code

#Save the initial state of the form
$InitialFormWindowState = $form1.WindowState
#Init the OnLoad event to correct the initial state of the form
$form1.add_Load($OnLoadForm_StateCorrection)
#Show the Form
$form1.ShowDialog()| Out-Null

} #End Function
GenerateForm