X++:
Dialog dialog = new Dialog();
FormBuildTabPageControl test;
DialogTabPage tabPage;
DialogGroup grp;
grp = dialog.addGroup();
grp.columns(2);
grp.formBuildGroup().backStyle(0);
grp.formBuildGroup().backgroundColor(WindowsPalette::Light3D);
dialog.formBuildDesign().backgroundColor(WindowsPalette::Light3D);
dialog.addImage(931);
dialog.windowType(FormWindowType::PopUp);
dialog.defaultButton(DialogDefaultButton::Cancel);
dialog.addText('Text................................. ?');
test = dialog.formBuildDesign().control('FieldTab');
test.backgroundColor(WindowsPalette::Light3D);
dialog.run();
dialog.wait();
А так?