Display Items in Group Box Item

Hello,

In my DialogBox, I want to group dialog items like text-inputs, labels and buttons. The Group Box Item can draw a rectangle around a group of dialog items.

How am I able to group dialog items, so that they are shown in the box.

My Code:

DialogBoxRsc DIALOGID_ViewInfo = {
    DIALOGATTR_DEFAULT | DIALOGATTR_SINKABLE | DIALOGATTR_GROWABLE,
    WIDTH, HEIGHT, NOHELP, MHELP,
    HOOKDIALOGID_ViewInfo, NOPARENTID,
    TXT_DialogTitle,
	{
	BEGIN_VSTACK_LAYOUT(VSTACKLAYOUTID_Main,"")
		BEGIN_HSTACK_LAYOUT(HSTACKLAYOUTID_LabeledItem, "")

					LAYOUT_LABEL_NEXT_LEFT(0, "")
					{{11*XC,   1*YC, 0,  0},		OptionButton,   OPTIONBUTTONID_ViewNo,			ON, 0,							"",					""},
					STRETCH(1)
					{{AUTO_XY,BUTTON_LARGEWIDTH,0},	PushButton,		PUSHBUTTONID_Update,			ON, 0,							"",					""},

		END_LAYOUT
		BEGIN_VSTACK_LAYOUT(VSTACKLAYOUTID_LabeledItem,"")

					{AUTO_XYWH,						Label,			0,								ON,	LABEL_LINKNEXT | ALIGN_LEFT,"",					""},
					{AUTO_XYWH,                     MLText,			MLTEXTID_ViewInfoDescription,	ON, 0,							"",					""},
					SPACING(YC)

		END_LAYOUT

					{AUTO_XYWH,						GroupBox,		0,								ON,	GROUPBOXATTR_BAR,			TXT_SetAcsGroup,	""},

		BEGIN_VSTACK_LAYOUT(0,"")
			BEGIN_HSTACK_LAYOUT(0,"")

					{AUTO_XYWH,						GroupBox,		0,								ON,	0,							TXT_AcsOrigin,		""},
					
				BEGIN_VSTACK_LAYOUT(VSTACKLAYOUTID_Inner,"")

					{AUTO_XYWH,						Text,			TEXTID_AcsOriginX,				ON, 0,							"",					""},
					{AUTO_XYWH,						Text,			TEXTID_AcsOriginY,				ON, 0,							"",					""},
					{AUTO_XYWH,						Text,			TEXTID_AcsOriginZ,				ON, 0,							"",					""},

				END_LAYOUT		
				
					{AUTO_XYWH,						GroupBox,		0,								ON,	0,							TXT_AcsCp,			""},

				BEGIN_VSTACK_LAYOUT(VSTACKLAYOUTID_Inner,"")
									
					{AUTO_XYWH,						Text,			TEXTID_AcsCpX,					ON, 0,							"",					""},
					{AUTO_XYWH,						Text,			TEXTID_AcsCpY,					ON, 0,							"",					""},
					{AUTO_XYWH,						Text,			TEXTID_AcsCpZ,					ON, 0,							"",					""},

				END_LAYOUT
					
				STRETCH(1)
			
			END_LAYOUT
			BEGIN_HSTACK_LAYOUT(HSTACKLAYOUTID_DialogButtons,"")

					STRETCH(1)
					{{AUTO_XY,BUTTON_LARGEWIDTH,0},	PushButton,		PUSHBUTTONID_Acs,				ON, 0,							"",					""},
			
			END_LAYOUT
		END_LAYOUT
	END_LAYOUT
	}
};

The border of the Group Box Item  "Ursprung" should have the text-inputs x,y,z and labels in it. Is using the VSTACK- and HSTACK-Layout a problem here?

[Connect Update 15 C++]