I paste the code here (hope this is not copyrightred or something...)
<?xml version="1.0" encoding="utf-8"?>
<Page allowcloseontop="false" eq2usescomwndcontrols="true" Location="138,322" MinimumSize="210,145" Name="MainChat" PackLocation="left,bottom" PackSize="fixed,fixed" ScrollExtent="456,145" Size="456,145" UserMovable="true" UserResizable="true">
<Page Location="1,0" Name="ChatPage" PackSize="absolute,absolute" ScrollExtent="452,144" Size="452,144">
<Page FrameControl="true" Location="-1,7" Name="TabFrame" PackSize="a" ScrollExtent="455,19" Size="455,19">
<Button backdropcontrol="false" BackgroundOpacity="0.600" Enabled="false" Location="408,0" Name="tableft" PackLocation="fff" ScrollExtent="15,15" Size="15,15" Style="/ButtonStyles.tabscroll_right" Visible="false" />
<Button backdropcontrol="false" BackgroundOpacity="0.600" Enabled="false" Location="422,0" Name="tabright" PackLocation="fff" ScrollExtent="15,15" Size="15,15" Style="/ButtonStyles.tabscroll_left" Visible="false" />
<ButtonStyle DisabledTextStyle="/TextStyles.Normal.NormalStyle" MouseOverSound="ui_mouseover" MouseOverTextStyle="/TextStyles.Normal.NormalStyle" Name="DrumsUI_chat_tab_style" NormalTextColor="#F0D0A0" NormalTextStyle="/TextStyles.Normal.NormalStyle" PressedTextStyle="/TextStyles.Normal.NormalStyle" PressSound="ui_pressed" ReleaseSound="ui_released" RStyleActivated="MTabButton.tab_active" RStyleDefault="MTabButton.tab_inactive" RStyleDisabled="MTabButton.tab_disabled" RStyleDisabledActivated="MTabButton.tab_active" RStyleMouseOver="MTabButton.tab_inactive" RStyleMouseOverActivated="MTabButton.tab_active" RStyleMouseOverSelected="MTabButton.tab_active" RStyleSelected="MTabButton.tab_active" SelectedTextStyle="/TextStyles.Normal.NormalStyle" />
<TabbedPaneStyle ButtonStyle="DrumsUI_chat_tab_style" Name="DrumsUI_chat_tab" />
<Namespace Name="MTabButton">
<Namespace Name="Active">
<ImageStyle Filter="true" Name="ne">
<ImageFrame Name="image" Source="DrumsUI/images/window_elements.dds" SourceRect="63,5,87,32" />
</ImageStyle>
<ImageStyle Filter="true" Name="nw">
<ImageFrame Name="image" Source="DrumsUI/images/window_elements.dds" SourceRect="7,5,26,32" />
</ImageStyle>
<ImageStyle Filter="true" Name="north">
<ImageFrame Name="image" Source="DrumsUI/images/window_elements.dds" SourceRect="28,5,66,32" />
</ImageStyle>
</Namespace>
<Namespace Name="Inactive">
<ImageStyle Filter="true" Name="ne">
<ImageFrame Name="image" Source="DrumsUI/images/window_elements.dds" SourceRect="146,4,170,29" />
</ImageStyle>
<ImageStyle Filter="true" Name="north">
<ImageFrame Name="image" Source="DrumsUI/images/window_elements.dds" SourceRect="115,4,153,29" />
</ImageStyle>
<ImageStyle Filter="true" Name="nw">
<ImageFrame Name="image" Source="DrumsUI/images/window_elements.dds" SourceRect="86,4,105,29" />
</ImageStyle>
</Namespace>
<RectangleStyle Center="/imagelist.win_blank_space" CenterShrinkH="true" CenterShrinkV="true" EastShrink="true" Name="tab_active" North="Active.north" NorthEast="Active.ne" NorthStretch="false" NorthWest="Active.nw" SouthStretch="false" WestShrink="true" />
<RectangleStyle Center="/imagelist.win_blank_space" CenterShrinkH="true" CenterShrinkV="true" EastShrink="true" Name="tab_inactive" North="Inactive.north" NorthEast="Inactive.ne" NorthStretch="false" NorthWest="Inactive.nw" SouthStretch="false" WestShrink="true" />
<RectangleStyle Center="/imagelist.win_blank_space" CenterShrinkH="true" CenterShrinkV="true" EastShrink="true" Name="tab_disabled" North="Active.north" NorthEast="Active.ne" NorthStretch="false" NorthWest="Active.nw" SouthStretch="false" WestShrink="true" />
</Namespace>
<TabbedPane ActiveTab="0" DataSource="TabSource" Location="2,0" Name="TabPane" PackSize="a" ScrollExtent="404,18" ScrollLeftButton="tableft" ScrollRightButton="tabright" Size="404,18" Style="DrumsUI_chat_tab" />
<Image BackgroundOpacity="1.000" FrameControl="true" Location="0,14" Name="oldRule" Opacity="0.500" PackSize="a" ScrollExtent="455,2" Size="455,2" SourceRect="568,493,938,495" SourceResource="images/windowelements.dds" Visible="false" />
</Page>
<Page Location="-3,23" Name="ChatFrame" PackSize="a,a" ScrollExtent="459,124" Size="459,124">
<Textbox BackgroundColor="#FFFFFF" Color="#F0F0F0" Cursor="/Cursor.Text" Location="20,102" MaximumSize="16384,18" MinimumSize="30,18" Name="ChatInput" PackLocation=",fff" PackSize="a" ScrollExtent="432,18" Size="432,18" Style="chat_textbox" />
<Page BackgroundOpacity="0.200" Location="20,102" Name="ChatShadow" PackLocation=",fff" PackSize="a" ScrollExtent="432,18" Size="432,18" />
<Button FrameControl="true" Location="4,105" Name="DefaultChannelButton" PackLocation="left,bottom" ScrollExtent="15,15" Size="15,15" Style="/ButtonStyles.channel_button" Tooltip=":d7771435165ac099

efault Chat Channel" />
<Image FrameControl="true" Location="5,104" Name="DefaultChannelBkg" PackLocation="left,bottom" ScrollExtent="15,15" Size="15,15" SourceRect="122,219,137,234" SourceResource="images/widgets01.dds" />
<Text AbsorbsInput="false" Cursor="/Cursor.Text" Font="/Fonts.Font_Chat" GetsInput="false" Location="22,0" Margin="0,0,0,1" Name="ChatDisplay" PackLocation="left,top" PackSize="absolute,absolute" ScrollExtent="429,102" ShadowStyle="/ShadowStyles.Chat.Outline1" Size="429,102" TextAlignmentVertical="Bottom">:d77714357478a2d2:1 2 3 4 5 6 7 8</Text>
<Scrollbar ArrowPressSound="ui_pressed" Control="ChatDisplay" FrameControl="true" Location="1,0" Name="ChatScroll" PackSize=",a" ScrollExtent="22,104" Size="22,104" Style="/CommonElements.ScrollbarVertical.data.style" />
</Page>
<Page AbsorbsInput="false" backdropcontrol="true" BackgroundOpacity="1.000" Location="1,6" Name="oldTabBkg" PackSize="a" ScrollExtent="453,19" Size="453,19" Visible="false" />
</Page>
<Page AbsorbsInput="false" FrameControl="true" Location="-13,32" Name="AuxFrame" PackSize="a,a" ScrollExtent="479,129" Size="479,129" Visible="false">
<Page AbsorbsInput="false" BackgroundOpacity="1.000" Location="0,-52" Name="Frame" PackSize="a,a" RStyleDefault="/WindowElements.WindowFrame.data.frame.rect" ScrollExtent="477,157" Size="477,157" Visible="false" />
</Page>
<DataSource Name="TabSource">
<Data Name="One" target="SomeWidget" text=":d7771435bdde3fee:One" />
<Data Name="Two" text=":d7771435d6783379:Two" />
</DataSource>
<TextboxStyle CaratColor="#F1E823" CaratWidth="2" DisabledTextShadowStyle="/ShadowStyles.Chat.Outline1" Name="chat_textbox" NormalTextShadowStyle="/ShadowStyles.Chat.Outline1" NormalTextStyle="/Fonts.Font_ChatInput" RStyleDefault="/rectlist.win_background" SelectedTextShadowStyle="/ShadowStyles.Chat.Outline1" SelectionColor="#A0A0A0" SelectionOpacity="1.000" TextColor="#FFFFFF" TextPadding="4,1,4,1" />
<Page AbsorbsInput="false" Location="-2,0" Name="WindowFrame" PackSize="a,a" ScrollExtent="460,147" Size="460,147">
<Page AbsorbsInput="false" backdropcontrol="true" BackgroundOpacity="1.000" frame.top="0" Location="4,5" Name="LeftGrouper" OnHide="Parent.Frame.Top = 17
Parent.Frame.Height = Parent.FakeFrame.Height" OnShow="Parent.Frame.Top = 0
Parent.Frame.Height = Parent.Height" PackSize="a" ScrollExtent="452,17" Size="452,17" Visible="false" />
<Page AbsorbsInput="false" BackgroundOpacity="1.000" Location="0,17" Name="Frame" PackSize="a,a" RStyleDefault="/WindowElements.DesktopWindowFrame.data.frame.rect" ScrollExtent="460,130" Size="460,130" test="147.000" />
<Page AbsorbsInput="false" BackgroundOpacity="1.000" Location="0,17" Name="FakeFrame" PackSize="a,a" ScrollExtent="460,130" Size="460,130" test="147.000" Visible="false" />
<Page AbsorbsInput="false" BackgroundOpacity="1.000" Location="0,22" Name="Bkg" PackSize="a,a" ScrollExtent="460,125" Size="460,125" />
</Page>
</Page>
There were a .dds file and the .xml. I put the dds (window_elements.dds) in my custom ui "image" folder.
Thx for help
