unigui中layout的vbox属性

UniLayoutManagementVBoxLayout.Layout := 'fit';
  UniLayoutManagementVBoxLayout.ParentAlignmentControl := False;
  UniLayoutManagementVBoxLayout.AlignmentControl := uniAlignmentClient;


  UniPanelParent.AlignmentControl := uniAlignmentClient;
  UniPanelParent.ParentAlignmentControl := False;
  UniPanelParent.Layout := 'fit';
  UniPanelParent.LayoutAttribs.Padding := '25';
  UniPanelParent.LayoutConfig.BodyPadding := '25';

  UniContainerPanel1.Align := alClient;
  UniContainerPanel1.AlignmentControl := uniAlignmentClient;
  UniContainerPanel1.ParentAlignmentControl := False;
  UniContainerPanel1.Anchors := [];
  UniContainerPanel1.TabOrder := 1;
  UniContainerPanel1.Layout := 'vbox';


  UniButton1.LayoutConfig.Flex := 1;
  UniButton1.LayoutConfig.Width := '25%';

  UniPanel2.LayoutConfig.Flex := 2;
  UniPanel2.LayoutConfig.Width := '50%';

  UniPanel1.LayoutConfig.Flex := 3;
  UniPanel1.LayoutConfig.Width := '100%';

  UniPanel3.LayoutConfig.Flex := 4;
  UniPanel3.LayoutConfig.Width := '30%';