Powershell DataGridView Buttons anpassen überschreiben

function GenerateForm {

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

#region Form Objects
$form1 = New-Object System.Windows.Forms.Form
$dgv = New-Object System.Windows.Forms.DataGridView
$InitialFormWindowState = New-Object System.Windows.Forms.FormWindowState
#endregion Form Objects

$handler_dgv_CellPainting = 
{
    if ($_.ColumnIndex -eq 0 -and $_.RowIndex -eq 0){
        $_.Paint($_.CellBounds,[System.Windows.Forms.DataGridViewPaintParts]::All)
        # [System.Drawing.Image]$img = [System.Drawing.Image]::FromFile("C:\Ordner\bild.png")  
        $img = [System.Drawing.Icon]::ExtractAssociatedIcon('C:\windows\system32\taskmgr.exe')  
        $_.Graphics.DrawImage($img,$_.CellBounds.Left + 5,$_.CellBounds.Top + 2,16,16)
        $_.Handled = $true
        
    }

}

$handler_form1_Load= 
{
    $dgv.Rows.Cells.Value = "Klick mich"  

}

$handler_dataGridView1_CellContentClick= 
{

}

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

#----------------------------------------------
#region Form Code
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 192
$System_Drawing_Size.Width = 316
$form1.ClientSize = $System_Drawing_Size
$form1.DataBindings.DefaultDataSourceUpdateMode = 0
$form1.Name = "form1"  
$form1.Text = "Image on DataGridView Button"  
$form1.add_Load($handler_form1_Load)

$System_Windows_Forms_DataGridViewButtonColumn_4 = New-Object System.Windows.Forms.DataGridViewButtonColumn
$System_Windows_Forms_DataGridViewButtonColumn_4.HeaderText = "Button Spalte"  
$System_Windows_Forms_DataGridViewButtonColumn_4.Name = ""  
$System_Windows_Forms_DataGridViewButtonColumn_4.Width = 100

$dgv.Columns.Add($System_Windows_Forms_DataGridViewButtonColumn_4)|Out-Null
$dgv.DataBindings.DefaultDataSourceUpdateMode = 0
$System_Drawing_Point = New-Object System.Drawing.Point
$System_Drawing_Point.X = 12
$System_Drawing_Point.Y = 12
$dgv.Location = $System_Drawing_Point
$dgv.Name = "dgv"  
$System_Drawing_Size = New-Object System.Drawing.Size
$System_Drawing_Size.Height = 163
$System_Drawing_Size.Width = 288
$dgv.Size = $System_Drawing_Size
$dgv.TabIndex = 0
$dgv.add_CellPainting($handler_dgv_CellPainting)
$dgv.add_CellContentClick($handler_dataGridView1_CellContentClick)

$form1.Controls.Add($dgv)

#endregion 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