urho3d/Bin/Data/UI/MessageBox.xml

<?xml version="1.0"?>
<element type="Window" style="DialogWindow">
	<attribute name="Name" value="MessageBox" />
	<attribute name="Position" value="500 500" />
	<attribute name="Size" value="400 83" />
	<attribute name="Layout Mode" value="Vertical" />
	<attribute name="Layout Spacing" value="4" />
	<attribute name="Layout Border" value="6 6 6 6" />
	<attribute name="Resize Border" value="6 6 6 6" />
	<element style="HorizontalPanel">
		<attribute name="Min Size" value="60 16" />
		<attribute name="Max Size" value="2147483647 16" />
		<element type="Text">
			<attribute name="Name" value="TitleText" />
			<attribute name="Text" value="Error" />
		</element>
		<element type="Button" style="CloseButton">
			<attribute name="Name" value="CloseButton" />
		</element>
	</element>
	<element type="BorderImage" style="EditorDivider" />
	<element>
		<attribute name="Layout Mode" value="Horizontal" />
		<attribute name="Layout Border" value="5 0 5 0" />
		<element type="Text">
			<attribute name="Name" value="MessageText" />
			<attribute name="Text" value="message text" />
			<attribute name="Text Alignment" value="Center" />
		</element>
	</element>
    <element style="EditorSeparator" />
	<element style="HorizontalPanel">
		<attribute name="Min Size" value="74 17" />
		<attribute name="Max Size" value="2147483647 17" />
		<element />
		<element type="Button">
			<attribute name="Name" value="CancelButton" />
			<attribute name="Min Size" value="80 17" />
			<attribute name="Max Size" value="80 17" />
			<attribute name="Is Visible" value="false" />
			<element type="Text">
				<attribute name="Horiz Alignment" value="Center" />
				<attribute name="Vert Alignment" value="Center" />
				<attribute name="Text" value="Cancel" />
			</element>
		</element>
		<element type="Button">
			<attribute name="Name" value="OkButton" />
			<attribute name="Min Size" value="80 17" />
			<attribute name="Max Size" value="80 17" />
			<element type="Text">
				<attribute name="Horiz Alignment" value="Center" />
				<attribute name="Vert Alignment" value="Center" />
				<attribute name="Text" value="OK" />
			</element>
		</element>
	</element>
</element>