private void cboProperty_SelectionChanged(object sender, SelectionChangedEventArgs e)
{
txtControlName.Text = currentScreen + " - " + cboObject.SelectedValue + " " + cboProperty.SelectedValue;
Enable_Buttons();
lblPrefix.IsEnabled = true;
txtPrefix.IsEnabled = true;
lblSuffix.IsEnabled = true;
txtSuffix.IsEnabled = true;
lblFont.IsEnabled = true;
txtFont.IsEnabled = true;
lblSize.IsEnabled = true;
txtSize.IsEnabled = true;
lblForeColor.IsEnabled = true;
cboForeColor.IsEnabled = true;
lblBackColor.IsEnabled = true;
cboBackColor.IsEnabled = true;
lblX.IsEnabled = true;
txtX.IsEnabled = true;
lblY.IsEnabled = true;
txtY.IsEnabled = true;
lblZ.IsEnabled = true;
txtZOrder.IsEnabled = true;
}