<ItemsControl ItemsSource="{Binding Path=RoomCollection}">
                        <ItemsControl.ItemsPanel>
                            <ItemsPanelTemplate>
                                <UniformGrid Columns="5" Rows="3"/>
                            </ItemsPanelTemplate>
                        </ItemsControl.ItemsPanel>
                        <ItemsControl.ItemTemplate>
                            <DataTemplate>
                                <Grid>
                                    <Grid.Style>
                                        <Style TargetType="{x:Type Grid}">
                                            <Style.Triggers>
                                                <DataTrigger Binding="{Binding Path=IsValid}" Value="False">
                                                    <Setter Property="Visibility" Value="Collapsed"/>
                                                </DataTrigger>
                                            </Style.Triggers>
                                        </Style>
                                    </Grid.Style>
                                    <TextBlock Text="{Binding Path=Title}"/>
                                </Grid>
                            </DataTemplate>
                        </ItemsControl.ItemTemplate>
                    </ItemsControl>