占位布局

layout1 = new TableWrapLayout();

layout1.numColumns = 4;

layout1.leftMargin = 0;

layout1.rightMargin = 0;

layoutData1 = new TableWrapData(TableWrapData.FILL_GRAB);

layoutData1.colspan = 2;

Composite second = PlaceHolderControlHelper.createParent(client1,

toolkit, layout1, layoutData1);

startTime = new FieldEntry(second, toolkit, new EntryLabelCreator(

toolkit, "开始时间"), new TextCreator(toolkit));

endTime = new FieldEntry(second, toolkit, new EntryLabelCreator(

toolkit, "结束时间"), new TextCreator(toolkit));