property Item.SelHotBackColor as Color
Specifies the background color of the selected item when the cursor hovers it.

TypeDescription
Color A Color expression that specifies the item's background color, when the item is selected/checked and the cursor hovers it. The last 7 bits in the high significant byte of the color indicates the identifier of the skin being used. Use the Add method to add new skins to the control. If you need to remove the skin appearance from a part of the control you need to reset the last 7 bits in the high significant byte of the color being applied to the background's part.
The SelHotBackColor property specifies a different background color or a visual appearance for the item, when item is selected / checked, and the cursor hovers it. The SelBackColor property specifies a different background color or a visual appearance for the item, when item is selected / checked. The BackColor property specifies the item's background color of the item.  The HotBackColor property specifies a different background color or a visual appearance for the item, when the cursor hovers it. The Caption property indicates the item's caption to be shown on the item. You can use the <bgcolor> HTML tag in the Caption property to specify a different background color for parts of the caption.

How can I change the item's background/backcolor, when the item is selected/checked (radio-buttons)?

VBA (MS Access, Excell...)

With Ribbon1
	With .Items
		With .Add("",2)
			.GroupPopup = 3 ' GroupPopupEnum.exNoGroupPopupFrame Or GroupPopupEnum.exGroupPopup
			With .Items
				With .Add("Radio 1")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = 1
					.Radio = True
					.RadioGroup = 100
					.Checked = True
				End With
				With .Add("Radio 2")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = 1
					.Radio = True
					.RadioGroup = 100
				End With
				.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," & _
"0)]"
			End With
		End With
	End With
	.Refresh 
End With

VB6

With Ribbon1
	With .Items
		With .Add("",2)
			.GroupPopup = GroupPopupEnum.exNoGroupPopupFrame Or GroupPopupEnum.exGroupPopup
			With .Items
				With .Add("Radio 1")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = exDisplayItemHighlight
					.Radio = True
					.RadioGroup = 100
					.Checked = True
				End With
				With .Add("Radio 2")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = exDisplayItemHighlight
					.Radio = True
					.RadioGroup = 100
				End With
				.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," & _
"0)]"
			End With
		End With
	End With
	.Refresh 
End With

VB.NET

With Exribbon1
	With .Items
		With .Add("",2)
			.GroupPopup = exontrol.EXRIBBONLib.GroupPopupEnum.exNoGroupPopupFrame Or exontrol.EXRIBBONLib.GroupPopupEnum.exGroupPopup
			With .Items
				With .Add("Radio 1")
					.HotBackColor = Color.FromArgb(255,255,255)
					.SelBackColor = Color.FromArgb(255,0,0)
					.SelHotBackColor = Color.FromArgb(255,0,0)
					.ShowCheckedAsSelected = exontrol.EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight
					.Radio = True
					.RadioGroup = 100
					.Checked = True
				End With
				With .Add("Radio 2")
					.HotBackColor = Color.FromArgb(255,255,255)
					.SelBackColor = Color.FromArgb(255,0,0)
					.SelHotBackColor = Color.FromArgb(255,0,0)
					.ShowCheckedAsSelected = exontrol.EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight
					.Radio = True
					.RadioGroup = 100
				End With
				.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," & _
"0)]"
			End With
		End With
	End With
	.Refresh()
End With

VB.NET for /COM

With AxRibbon1
	With .Items
		With .Add("",2)
			.GroupPopup = EXRIBBONLib.GroupPopupEnum.exNoGroupPopupFrame Or EXRIBBONLib.GroupPopupEnum.exGroupPopup
			With .Items
				With .Add("Radio 1")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight
					.Radio = True
					.RadioGroup = 100
					.Checked = True
				End With
				With .Add("Radio 2")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight
					.Radio = True
					.RadioGroup = 100
				End With
				.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," & _
"0)]"
			End With
		End With
	End With
	.Refresh()
End With

C++

/*
	Copy and paste the following directives to your header file as
	it defines the namespace 'EXRIBBONLib' for the library: 'ExRibbon 1.0 Control Library'

	#import <ExRibbon.dll>
	using namespace EXRIBBONLib;
*/
EXRIBBONLib::IRibbonPtr spRibbon1 = GetDlgItem(IDC_RIBBON1)->GetControlUnknown();
EXRIBBONLib::IItemsPtr var_Items = spRibbon1->GetItems();
	EXRIBBONLib::IItemPtr var_Item = var_Items->Add(L"",long(2),vtMissing);
		var_Item->PutGroupPopup(EXRIBBONLib::GroupPopupEnum(EXRIBBONLib::exNoGroupPopupFrame | EXRIBBONLib::exGroupPopup));
		EXRIBBONLib::IItemsPtr var_Items1 = var_Item->GetItems();
			EXRIBBONLib::IItemPtr var_Item1 = var_Items1->Add(L"Radio 1",vtMissing,vtMissing);
				var_Item1->PutHotBackColor(RGB(255,255,255));
				var_Item1->PutSelBackColor(RGB(255,0,0));
				var_Item1->PutSelHotBackColor(RGB(255,0,0));
				var_Item1->PutShowCheckedAsSelected(EXRIBBONLib::exDisplayItemHighlight);
				var_Item1->PutRadio(VARIANT_TRUE);
				var_Item1->PutRadioGroup(100);
				var_Item1->PutChecked(VARIANT_TRUE);
			EXRIBBONLib::IItemPtr var_Item2 = var_Items1->Add(L"Radio 2",vtMissing,vtMissing);
				var_Item2->PutHotBackColor(RGB(255,255,255));
				var_Item2->PutSelBackColor(RGB(255,0,0));
				var_Item2->PutSelHotBackColor(RGB(255,0,0));
				var_Item2->PutShowCheckedAsSelected(EXRIBBONLib::exDisplayItemHighlight);
				var_Item2->PutRadio(VARIANT_TRUE);
				var_Item2->PutRadioGroup(100);
			var_Items1->Add(L"",vtMissing,vtMissing)->PutToString(_bstr_t("Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,") +
"0)]");
spRibbon1->Refresh();

C++ Builder

Exribbonlib_tlb::IItemsPtr var_Items = Ribbon1->Items;
	Exribbonlib_tlb::IItemPtr var_Item = var_Items->Add(L"",TVariant(2),TNoParam());
		var_Item->GroupPopup = Exribbonlib_tlb::GroupPopupEnum::exNoGroupPopupFrame | Exribbonlib_tlb::GroupPopupEnum::exGroupPopup;
		Exribbonlib_tlb::IItemsPtr var_Items1 = var_Item->Items;
			Exribbonlib_tlb::IItemPtr var_Item1 = var_Items1->Add(L"Radio 1",TNoParam(),TNoParam());
				var_Item1->HotBackColor = RGB(255,255,255);
				var_Item1->SelBackColor = RGB(255,0,0);
				var_Item1->SelHotBackColor = RGB(255,0,0);
				var_Item1->ShowCheckedAsSelected = Exribbonlib_tlb::ShowCheckedAsSelectedEnum::exDisplayItemHighlight;
				var_Item1->Radio = true;
				var_Item1->RadioGroup = 100;
				var_Item1->Checked = true;
			Exribbonlib_tlb::IItemPtr var_Item2 = var_Items1->Add(L"Radio 2",TNoParam(),TNoParam());
				var_Item2->HotBackColor = RGB(255,255,255);
				var_Item2->SelBackColor = RGB(255,0,0);
				var_Item2->SelHotBackColor = RGB(255,0,0);
				var_Item2->ShowCheckedAsSelected = Exribbonlib_tlb::ShowCheckedAsSelectedEnum::exDisplayItemHighlight;
				var_Item2->Radio = true;
				var_Item2->RadioGroup = 100;
			var_Items1->Add(L"",TNoParam(),TNoParam())->ToString = TVariant(String("Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,") +
"0)]");
Ribbon1->Refresh();

C#

exontrol.EXRIBBONLib.Items var_Items = exribbon1.Items;
	exontrol.EXRIBBONLib.Item var_Item = var_Items.Add("",2,null);
		var_Item.GroupPopup = exontrol.EXRIBBONLib.GroupPopupEnum.exNoGroupPopupFrame | exontrol.EXRIBBONLib.GroupPopupEnum.exGroupPopup;
		exontrol.EXRIBBONLib.Items var_Items1 = var_Item.Items;
			exontrol.EXRIBBONLib.Item var_Item1 = var_Items1.Add("Radio 1",null,null);
				var_Item1.HotBackColor = Color.FromArgb(255,255,255);
				var_Item1.SelBackColor = Color.FromArgb(255,0,0);
				var_Item1.SelHotBackColor = Color.FromArgb(255,0,0);
				var_Item1.ShowCheckedAsSelected = exontrol.EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight;
				var_Item1.Radio = true;
				var_Item1.RadioGroup = 100;
				var_Item1.Checked = true;
			exontrol.EXRIBBONLib.Item var_Item2 = var_Items1.Add("Radio 2",null,null);
				var_Item2.HotBackColor = Color.FromArgb(255,255,255);
				var_Item2.SelBackColor = Color.FromArgb(255,0,0);
				var_Item2.SelHotBackColor = Color.FromArgb(255,0,0);
				var_Item2.ShowCheckedAsSelected = exontrol.EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight;
				var_Item2.Radio = true;
				var_Item2.RadioGroup = 100;
			var_Items1.Add("",null,null).ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," +
"0)]";
exribbon1.Refresh();

JScript/JavaScript

<BODY onload='Init()'>
<OBJECT CLASSID="clsid:DDF58CFA-750F-45E0-8A00-CFBE431702E2" id="Ribbon1"></OBJECT>

<SCRIPT LANGUAGE="JScript">
function Init()
{
	var var_Items = Ribbon1.Items;
		var var_Item = var_Items.Add("",2,null);
			var_Item.GroupPopup = 3;
			var var_Items1 = var_Item.Items;
				var var_Item1 = var_Items1.Add("Radio 1",null,null);
					var_Item1.HotBackColor = 16777215;
					var_Item1.SelBackColor = 255;
					var_Item1.SelHotBackColor = 255;
					var_Item1.ShowCheckedAsSelected = 1;
					var_Item1.Radio = true;
					var_Item1.RadioGroup = 100;
					var_Item1.Checked = true;
				var var_Item2 = var_Items1.Add("Radio 2",null,null);
					var_Item2.HotBackColor = 16777215;
					var_Item2.SelBackColor = 255;
					var_Item2.SelHotBackColor = 255;
					var_Item2.ShowCheckedAsSelected = 1;
					var_Item2.Radio = true;
					var_Item2.RadioGroup = 100;
				var_Items1.Add("",null,null).ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," +
	"0)]";
	Ribbon1.Refresh();
}
</SCRIPT>
</BODY>

VBScript

<BODY onload='Init()'>
<OBJECT CLASSID="clsid:DDF58CFA-750F-45E0-8A00-CFBE431702E2" id="Ribbon1"></OBJECT>

<SCRIPT LANGUAGE="VBScript">
Function Init()
	With Ribbon1
		With .Items
			With .Add("",2)
				.GroupPopup = 3 ' GroupPopupEnum.exNoGroupPopupFrame Or GroupPopupEnum.exGroupPopup
				With .Items
					With .Add("Radio 1")
						.HotBackColor = RGB(255,255,255)
						.SelBackColor = RGB(255,0,0)
						.SelHotBackColor = RGB(255,0,0)
						.ShowCheckedAsSelected = 1
						.Radio = True
						.RadioGroup = 100
						.Checked = True
					End With
					With .Add("Radio 2")
						.HotBackColor = RGB(255,255,255)
						.SelBackColor = RGB(255,0,0)
						.SelHotBackColor = RGB(255,0,0)
						.ShowCheckedAsSelected = 1
						.Radio = True
						.RadioGroup = 100
					End With
					.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," & _
	"0)]"
				End With
			End With
		End With
		.Refresh 
	End With
End Function
</SCRIPT>
</BODY>

C# for /COM

EXRIBBONLib.Items var_Items = axRibbon1.Items;
	EXRIBBONLib.Item var_Item = var_Items.Add("",2,null);
		var_Item.GroupPopup = EXRIBBONLib.GroupPopupEnum.exNoGroupPopupFrame | EXRIBBONLib.GroupPopupEnum.exGroupPopup;
		EXRIBBONLib.Items var_Items1 = var_Item.Items;
			EXRIBBONLib.Item var_Item1 = var_Items1.Add("Radio 1",null,null);
				var_Item1.HotBackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,255,255));
				var_Item1.SelBackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0));
				var_Item1.SelHotBackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0));
				var_Item1.ShowCheckedAsSelected = EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight;
				var_Item1.Radio = true;
				var_Item1.RadioGroup = 100;
				var_Item1.Checked = true;
			EXRIBBONLib.Item var_Item2 = var_Items1.Add("Radio 2",null,null);
				var_Item2.HotBackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,255,255));
				var_Item2.SelBackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0));
				var_Item2.SelHotBackColor = (uint)ColorTranslator.ToWin32(Color.FromArgb(255,0,0));
				var_Item2.ShowCheckedAsSelected = EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight;
				var_Item2.Radio = true;
				var_Item2.RadioGroup = 100;
			var_Items1.Add("",null,null).ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0," +
"0)]";
axRibbon1.Refresh();

X++ (Dynamics Ax 2009)

public void init()
{
	COM com_Item,com_Item1,com_Item2,com_Item3,com_Items,com_Items1;
	anytype var_Item,var_Item1,var_Item2,var_Item3,var_Items,var_Items1;
	str var_s;
	;

	super();

	var_Items = exribbon1.Items(); com_Items = var_Items;
		var_Item = com_Items.Add("",COMVariant::createFromInt(2)); com_Item = var_Item;
			com_Item.GroupPopup(3/*exNoGroupPopupFrame | exGroupPopup*/);
			var_Items1 = com_Item.Items(); com_Items1 = var_Items1;
				var_Item1 = com_Items1.Add("Radio 1"); com_Item1 = var_Item1;
					com_Item1.HotBackColor(WinApi::RGB2int(255,255,255));
					com_Item1.SelBackColor(WinApi::RGB2int(255,0,0));
					com_Item1.SelHotBackColor(WinApi::RGB2int(255,0,0));
					com_Item1.ShowCheckedAsSelected(1/*exDisplayItemHighlight*/);
					com_Item1.Radio(true);
					com_Item1.RadioGroup(100);
					com_Item1.Checked(true);
				var_Item2 = com_Items1.Add("Radio 2"); com_Item2 = var_Item2;
					com_Item2.HotBackColor(WinApi::RGB2int(255,255,255));
					com_Item2.SelBackColor(WinApi::RGB2int(255,0,0));
					com_Item2.SelHotBackColor(WinApi::RGB2int(255,0,0));
					com_Item2.ShowCheckedAsSelected(1/*exDisplayItemHighlight*/);
					com_Item2.Radio(true);
					com_Item2.RadioGroup(100);
				var_Item3 = COM::createFromObject(com_Items1.Add("")); com_Item3 = var_Item3;
				var_s = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0";
				var_s = var_s + ")]";
				com_Item3.ToString(var_s);
	exribbon1.Refresh();
}

Delphi 8 (.NET only)

with AxRibbon1 do
begin
	with Items do
	begin
		with Add('',TObject(2),Nil) do
		begin
			GroupPopup := Integer(EXRIBBONLib.GroupPopupEnum.exNoGroupPopupFrame) Or Integer(EXRIBBONLib.GroupPopupEnum.exGroupPopup);
			with Items do
			begin
				with Add('Radio 1',Nil,Nil) do
				begin
					HotBackColor := $ffffff;
					SelBackColor := $ff;
					SelHotBackColor := $ff;
					ShowCheckedAsSelected := EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight;
					Radio := True;
					RadioGroup := 100;
					Checked := True;
				end;
				with Add('Radio 2',Nil,Nil) do
				begin
					HotBackColor := $ffffff;
					SelBackColor := $ff;
					SelHotBackColor := $ff;
					ShowCheckedAsSelected := EXRIBBONLib.ShowCheckedAsSelectedEnum.exDisplayItemHighlight;
					Radio := True;
					RadioGroup := 100;
				end;
				Add('',Nil,Nil).ToString := 'Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0' + 
	')]';
			end;
		end;
	end;
	Refresh();
end

Delphi (standard)

with Ribbon1 do
begin
	with Items do
	begin
		with Add('',OleVariant(2),Null) do
		begin
			GroupPopup := Integer(EXRIBBONLib_TLB.exNoGroupPopupFrame) Or Integer(EXRIBBONLib_TLB.exGroupPopup);
			with Items do
			begin
				with Add('Radio 1',Null,Null) do
				begin
					HotBackColor := $ffffff;
					SelBackColor := $ff;
					SelHotBackColor := $ff;
					ShowCheckedAsSelected := EXRIBBONLib_TLB.exDisplayItemHighlight;
					Radio := True;
					RadioGroup := 100;
					Checked := True;
				end;
				with Add('Radio 2',Null,Null) do
				begin
					HotBackColor := $ffffff;
					SelBackColor := $ff;
					SelHotBackColor := $ff;
					ShowCheckedAsSelected := EXRIBBONLib_TLB.exDisplayItemHighlight;
					Radio := True;
					RadioGroup := 100;
				end;
				Add('',Null,Null).ToString := 'Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0' + 
	')]';
			end;
		end;
	end;
	Refresh();
end

VFP

with thisform.Ribbon1
	with .Items
		with .Add("",2)
			.GroupPopup = 3 && GroupPopupEnum.exNoGroupPopupFrame Or GroupPopupEnum.exGroupPopup
			with .Items
				with .Add("Radio 1")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = 1
					.Radio = .T.
					.RadioGroup = 100
					.Checked = .T.
				endwith
				with .Add("Radio 2")
					.HotBackColor = RGB(255,255,255)
					.SelBackColor = RGB(255,0,0)
					.SelHotBackColor = RGB(255,0,0)
					.ShowCheckedAsSelected = 1
					.Radio = .T.
					.RadioGroup = 100
				endwith
				var_s = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0"
				var_s = var_s + ")]"
				.Add("").ToString = var_s
			endwith
		endwith
	endwith
	.Refresh
endwith

dBASE Plus

local oRibbon,var_Item,var_Item1,var_Item2,var_Item3,var_Items,var_Items1

oRibbon = form.Activex1.nativeObject
var_Items = oRibbon.Items
	var_Item = var_Items.Add("",2)
		var_Item.GroupPopup = 3 /*exNoGroupPopupFrame | exGroupPopup*/
		var_Items1 = var_Item.Items
			var_Item1 = var_Items1.Add("Radio 1")
				var_Item1.HotBackColor = 0xffffff
				var_Item1.SelBackColor = 0xff
				var_Item1.SelHotBackColor = 0xff
				var_Item1.ShowCheckedAsSelected = 1
				var_Item1.Radio = true
				var_Item1.RadioGroup = 100
				var_Item1.Checked = true
			var_Item2 = var_Items1.Add("Radio 2")
				var_Item2.HotBackColor = 0xffffff
				var_Item2.SelBackColor = 0xff
				var_Item2.SelHotBackColor = 0xff
				var_Item2.ShowCheckedAsSelected = 1
				var_Item2.Radio = true
				var_Item2.RadioGroup = 100
			// var_Items1.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]"
			var_Item3 = var_Items1.Add("")
			with (oRibbon)
				TemplateDef = [Dim var_Item3]
				TemplateDef = var_Item3
				Template = [var_Item3.ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]"]
			endwith
oRibbon.Refresh()

XBasic (Alpha Five)

Dim oRibbon as P
Dim var_Item as P
Dim var_Item1 as P
Dim var_Item2 as P
Dim var_Item3 as P
Dim var_Items as P
Dim var_Items1 as P

oRibbon = topparent:CONTROL_ACTIVEX1.activex
var_Items = oRibbon.Items
	var_Item = var_Items.Add("",2)
		var_Item.GroupPopup = 3 'exNoGroupPopupFrame + exGroupPopup
		var_Items1 = var_Item.Items
			var_Item1 = var_Items1.Add("Radio 1")
				var_Item1.HotBackColor = 16777215
				var_Item1.SelBackColor = 255
				var_Item1.SelHotBackColor = 255
				var_Item1.ShowCheckedAsSelected = 1
				var_Item1.Radio = .t.
				var_Item1.RadioGroup = 100
				var_Item1.Checked = .t.
			var_Item2 = var_Items1.Add("Radio 2")
				var_Item2.HotBackColor = 16777215
				var_Item2.SelBackColor = 255
				var_Item2.SelHotBackColor = 255
				var_Item2.ShowCheckedAsSelected = 1
				var_Item2.Radio = .t.
				var_Item2.RadioGroup = 100
			' var_Items1.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]"
			var_Item3 = var_Items1.Add("")
			oRibbon.TemplateDef = "Dim var_Item3"
			oRibbon.TemplateDef = var_Item3
			oRibbon.Template = "var_Item3.ToString = \"Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]\""

oRibbon.Refresh()

Visual Objects

local var_Item,var_Item1,var_Item2 as IItem
local var_Items,var_Items1 as IItems

var_Items := oDCOCX_Exontrol1:Items
	var_Item := var_Items:Add("",2,nil)
		var_Item:GroupPopup := exNoGroupPopupFrame | exGroupPopup
		var_Items1 := var_Item:Items
			var_Item1 := var_Items1:Add("Radio 1",nil,nil)
				var_Item1:HotBackColor := RGB(255,255,255)
				var_Item1:SelBackColor := RGB(255,0,0)
				var_Item1:SelHotBackColor := RGB(255,0,0)
				var_Item1:ShowCheckedAsSelected := exDisplayItemHighlight
				var_Item1:Radio := true
				var_Item1:RadioGroup := 100
				var_Item1:Checked := true
			var_Item2 := var_Items1:Add("Radio 2",nil,nil)
				var_Item2:HotBackColor := RGB(255,255,255)
				var_Item2:SelBackColor := RGB(255,0,0)
				var_Item2:SelHotBackColor := RGB(255,0,0)
				var_Item2:ShowCheckedAsSelected := exDisplayItemHighlight
				var_Item2:Radio := true
				var_Item2:RadioGroup := 100
			var_Items1:Add("",nil,nil):ToString := "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]"
oDCOCX_Exontrol1:Refresh()

PowerBuilder

OleObject oRibbon,var_Item,var_Item1,var_Item2,var_Items,var_Items1

oRibbon = ole_1.Object
var_Items = oRibbon.Items
	var_Item = var_Items.Add("",2)
		var_Item.GroupPopup = 3 /*exNoGroupPopupFrame | exGroupPopup*/
		var_Items1 = var_Item.Items
			var_Item1 = var_Items1.Add("Radio 1")
				var_Item1.HotBackColor = RGB(255,255,255)
				var_Item1.SelBackColor = RGB(255,0,0)
				var_Item1.SelHotBackColor = RGB(255,0,0)
				var_Item1.ShowCheckedAsSelected = 1
				var_Item1.Radio = true
				var_Item1.RadioGroup = 100
				var_Item1.Checked = true
			var_Item2 = var_Items1.Add("Radio 2")
				var_Item2.HotBackColor = RGB(255,255,255)
				var_Item2.SelBackColor = RGB(255,0,0)
				var_Item2.SelHotBackColor = RGB(255,0,0)
				var_Item2.ShowCheckedAsSelected = 1
				var_Item2.Radio = true
				var_Item2.RadioGroup = 100
			var_Items1.Add("").ToString = "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]"
oRibbon.Refresh()

Visual DataFlex

Procedure OnCreate
	Forward Send OnCreate
	Variant voItems
	Get ComItems to voItems
	Handle hoItems
	Get Create (RefClass(cComItems)) to hoItems
	Set pvComObject of hoItems to voItems
		Variant voItem
		Get ComAdd of hoItems "" 2 Nothing to voItem
		Handle hoItem
		Get Create (RefClass(cComItem)) to hoItem
		Set pvComObject of hoItem to voItem
			Set ComGroupPopup of hoItem to (OLEexNoGroupPopupFrame + OLEexGroupPopup)
			Variant voItems1
			Get ComItems of hoItem to voItems1
			Handle hoItems1
			Get Create (RefClass(cComItems)) to hoItems1
			Set pvComObject of hoItems1 to voItems1
				Variant voItem1
				Get ComAdd of hoItems1 "Radio 1" Nothing Nothing to voItem1
				Handle hoItem1
				Get Create (RefClass(cComItem)) to hoItem1
				Set pvComObject of hoItem1 to voItem1
					Set ComHotBackColor of hoItem1 to (RGB(255,255,255))
					Set ComSelBackColor of hoItem1 to (RGB(255,0,0))
					Set ComSelHotBackColor of hoItem1 to (RGB(255,0,0))
					Set ComShowCheckedAsSelected of hoItem1 to OLEexDisplayItemHighlight
					Set ComRadio of hoItem1 to True
					Set ComRadioGroup of hoItem1 to 100
					Set ComChecked of hoItem1 to True
				Send Destroy to hoItem1
				Variant voItem2
				Get ComAdd of hoItems1 "Radio 2" Nothing Nothing to voItem2
				Handle hoItem2
				Get Create (RefClass(cComItem)) to hoItem2
				Set pvComObject of hoItem2 to voItem2
					Set ComHotBackColor of hoItem2 to (RGB(255,255,255))
					Set ComSelBackColor of hoItem2 to (RGB(255,0,0))
					Set ComSelHotBackColor of hoItem2 to (RGB(255,0,0))
					Set ComShowCheckedAsSelected of hoItem2 to OLEexDisplayItemHighlight
					Set ComRadio of hoItem2 to True
					Set ComRadioGroup of hoItem2 to 100
				Send Destroy to hoItem2
				Variant voItem3
				Get ComAdd of hoItems1 "" Nothing Nothing to voItem3
				Handle hoItem3
				Get Create (RefClass(cComItem)) to hoItem3
				Set pvComObject of hoItem3 to voItem3
					Set ComToString of hoItem3 to "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]"
				Send Destroy to hoItem3
			Send Destroy to hoItems1
		Send Destroy to hoItem
	Send Destroy to hoItems
	Send ComRefresh
End_Procedure

XBase++

#include "AppEvent.ch"
#include "ActiveX.ch"

PROCEDURE Main
 	LOCAL oForm
	LOCAL nEvent := 0, mp1 := NIL, mp2 := NIL, oXbp := NIL
	LOCAL oItem,oItem1,oItem2
	LOCAL oItems,oItems1
	LOCAL oRibbon

	oForm := XbpDialog():new( AppDesktop() )
	oForm:drawingArea:clipChildren := .T.
	oForm:create( ,,{100,100}, {640,480},, .F. )
	oForm:close  := {|| PostAppEvent( xbeP_Quit )}

	oRibbon := XbpActiveXControl():new( oForm:drawingArea )
	oRibbon:CLSID  := "Exontrol.Ribbon.1" /*{DDF58CFA-750F-45E0-8A00-CFBE431702E2}*/
	oRibbon:create(,, {10,60},{610,370} )

		oItems := oRibbon:Items()
			oItem := oItems:Add("",2)
				oItem:GroupPopup := 3/*exNoGroupPopupFrame+exGroupPopup*/
				oItems1 := oItem:Items()
					oItem1 := oItems1:Add("Radio 1")
						oItem1:SetProperty("HotBackColor",AutomationTranslateColor( GraMakeRGBColor  ( { 255,255,255 } )  , .F. ))
						oItem1:SetProperty("SelBackColor",AutomationTranslateColor( GraMakeRGBColor  ( { 255,0,0 } )  , .F. ))
						oItem1:SetProperty("SelHotBackColor",AutomationTranslateColor( GraMakeRGBColor  ( { 255,0,0 } )  , .F. ))
						oItem1:ShowCheckedAsSelected := 1/*exDisplayItemHighlight*/
						oItem1:Radio := .T.
						oItem1:RadioGroup := 100
						oItem1:Checked := .T.
					oItem2 := oItems1:Add("Radio 2")
						oItem2:SetProperty("HotBackColor",AutomationTranslateColor( GraMakeRGBColor  ( { 255,255,255 } )  , .F. ))
						oItem2:SetProperty("SelBackColor",AutomationTranslateColor( GraMakeRGBColor  ( { 255,0,0 } )  , .F. ))
						oItem2:SetProperty("SelHotBackColor",AutomationTranslateColor( GraMakeRGBColor  ( { 255,0,0 } )  , .F. ))
						oItem2:ShowCheckedAsSelected := 1/*exDisplayItemHighlight*/
						oItem2:Radio := .T.
						oItem2:RadioGroup := 100
					oItems1:Add(""):ToString := "Radio 3[typ=2][show=1][grp=100][bghot=RGB(255,255,255)][bgsel=RGB(255,0,0)][bgselhot=RGB(255,0,0)]"
		oRibbon:Refresh()

	oForm:Show()
	DO WHILE nEvent != xbeP_Quit
		nEvent := AppEvent( @mp1, @mp2, @oXbp )
		oXbp:handleEvent( nEvent, mp1, mp2 )
	ENDDO 
RETURN