Redmine/RedmineOracle/MainWindow.xaml

<Window x:Class="RedmineOracle.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:RedmineOracle"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800"
        xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes">
   
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
            <ColumnDefinition/>
        </Grid.ColumnDefinitions>
        <Frame Name="frmRm" Grid.Column="0"></Frame>
        <Frame Name="frmForum" Grid.Column="1"></Frame>
    </Grid>
</Window>