private void UpdateButtons()
{
DeviceInfo di = null;
var devices = false;
if (MainTabControl.SelectedTab == DeviceTreeTabPage)
{
di = (DeviceInfo)DevicesTreeView.SelectedNode?.Tag;
devices = true;
}
if (MainTabControl.SelectedTab == DeviceListTabPage)
{
di = (DeviceInfo)DeviceDataGridView.SelectedRows
.Cast <DataGridViewRow>()
.FirstOrDefault()?.DataBoundItem;
devices = true;
}
bool?isDisabled = null;
if (di != null)
{
var value = DeviceDetector.IsDeviceDisabled(di.DeviceId);
isDisabled = value.HasValue && value.Value;
}
EnableButton.Enabled = isDisabled.HasValue && isDisabled.Value;
DisableButton.Enabled = isDisabled.HasValue && !isDisabled.Value;
// Update buttons.
RemoveButton.Enabled = di != null && di.IsRemovable;
CleanButton.Enabled = devices;
}
