public Form1()
{
InitializeComponent();
List<IntPtr> handles = GetHandles(this.Controls);
}
public List<IntPtr> GetHandles(Control.ControlCollection inControls)
{
List<IntPtr> list_of_handles = new List<IntPtr>();
if(inControls != null)
{
foreach (Control c in inControls)
{
list_of_handles.Add(c.Handle);
list_of_handles.AddRange(GetHandles(c.Controls));
}
}
return list_of_handles;
}