<Window xmlns:syncfusion="http://schemas.syncfusion.com/wpf">
    <syncfusion:ToolBarTrayAdv>
        <syncfusion:ToolBarAdv ToolBarName="Standard" Height="40">
            <!-- New Document Button -->
            <Button Width="22" Height="22" ToolTip="New">
                <Image Source="Images/NewDocumentHS.png" Width="16" Height="16"/>
            </Button>
            
            <!-- Open Document Button -->
            <Button Width="22" Height="22" ToolTip="Open">
                <Image Source="Images/openHS.png" Width="16" Height="16"/>
            </Button>
            
            <!-- Separator -->
            <syncfusion:ToolBarItemSeparator />
            
            <!-- Save Button -->
            <Button Width="22" Height="22" ToolTip="Save">
                <Image Source="Images/saveHS.png" Width="16" Height="16"/>
            </Button>
        </syncfusion:ToolBarAdv>
    </syncfusion:ToolBarTrayAdv>
</Window>

using Syncfusion.Windows.Tools.Controls;

// Create toolbar
ToolBarAdv toolBar = new ToolBarAdv();
toolBar.ToolBarName = "Standard";
toolBar.Height = 40;

// Add New button
Button newButton = new Button
{
    Width = 22,
    Height = 22,
    ToolTip = "New",
    Content = new Image 
    { 
        Source = new BitmapImage(new Uri("Images/NewDocumentHS.png", UriKind.Relative)),
        Width = 16,
        Height = 16
    }
};
toolBar.Items.Add(newButton);

// Add to ToolBarTray
ToolBarTrayAdv tray = new ToolBarTrayAdv();
tray.ToolBars.Add(toolBar);

// Add to window
this.Content = tray;

<syncfusion:ToolBarManager x:Name="toolBarManager">
    <!-- Top Toolbar -->
    <syncfusion:ToolBarManager.TopToolBarTray>
        <syncfusion:ToolBarTrayAdv>
            <syncfusion:ToolBarAdv ToolBarName="File">
                <Button Width="22" Height="22" ToolTip="New">
                    <Image Source="Images/NewDocumentHS.png" Width="16" Height="16"/>
                </Button>
            </syncfusion:ToolBarAdv>
        </syncfusion:ToolBarTrayAdv>
    </syncfusion:ToolBarManager.TopToolBarTray>
    
    <!-- Left Toolbar -->
    <syncfusion:ToolBarManager.LeftToolBarTray>
        <syncfusion:ToolBarTrayAdv Orientation="Vertical">
            <syncfusion:ToolBarAdv ToolBarName="Tools">
                <Button Width="22" Height="22" ToolTip="Cut">
                    <Image Source="Images/CutHS.png" Width="16" Height="16"/>
                </Button>
            </syncfusion:ToolBarAdv>
        </syncfusion:ToolBarTrayAdv>
    </syncfusion:ToolBarManager.LeftToolBarTray>
    
    <!-- Main Content -->
    <syncfusion:ToolBarManager.Content>
        <TextBox Text="Your application content here"/>
    </syncfusion:ToolBarManager.Content>
</syncfusion:ToolBarManager>

<syncfusion:ToolBarTrayAdv>
    <!-- First toolbar on Band 0 -->
    <syncfusion:ToolBarAdv Band="0" BandIndex="0" ToolBarName="Standard">
        <Button Content="New"/>
        <Button Content="Open"/>
    </syncfusion:ToolBarAdv>
    
    <!-- Second toolbar on same band -->
    <syncfusion:ToolBarAdv Band="0" BandIndex="1" ToolBarName="Extras">
        <Button Content="Cut"/>
        <Button Content="Copy"/>
    </syncfusion:ToolBarAdv>
    
    <!-- Third toolbar on different band -->
    <syncfusion:ToolBarAdv Band="1" BandIndex="0" ToolBarName="Format">
        <Button Content="Bold"/>
        <Button Content="Italic"/>
    </syncfusion:ToolBarAdv>
</syncfusion:ToolBarTrayAdv>

<syncfusion:ToolBarAdv>
    <!-- Always visible -->
    <Button syncfusion:ToolBarAdv.OverflowMode="Never"
            Content="Important"/>
    
    <!-- Can overflow when needed -->
    <Button syncfusion:ToolBarAdv.OverflowMode="AsNeeded"
            Content="Normal"/>
    
    <!-- Always in overflow -->
    <Button syncfusion:ToolBarAdv.OverflowMode="Always"
            Content="Advanced"/>
</syncfusion:ToolBarAdv>

<syncfusion:ToolBarAdv EnableAddRemoveButton="True">
    <Button syncfusion:ToolBarAdv.Label="New Document"
            syncfusion:ToolBarAdv.Icon="Images/NewDocumentHS.png">
        <Image Source="Images/NewDocumentHS.png" Width="16" Height="16"/>
    </Button>
    
    <Button syncfusion:ToolBarAdv.Label="Open Document"
            syncfusion:ToolBarAdv.Icon="Images/openHS.png">
        <Image Source="Images/openHS.png" Width="16" Height="16"/>
    </Button>
</syncfusion:ToolBarAdv>

<syncfusion:ToolBarManager>
    <syncfusion:ToolBarManager.TopToolBarTray>
        <syncfusion:ToolBarTrayAdv>
            <syncfusion:ToolBarAdv 
                ToolBarName="FloatingTools"
                syncfusion:ToolBarManager.ToolBarState="Floating"
                FloatingBarLocation="500,300">
                <Button Content="Tool 1"/>
                <Button Content="Tool 2"/>
            </syncfusion:ToolBarAdv>
        </syncfusion:ToolBarTrayAdv>
    </syncfusion:ToolBarManager.TopToolBarTray>
</syncfusion:ToolBarManager>