당신은 당신이 동적으로 생성 코드에서 바인딩을 설정하면
<StackPanel Grid.Column="1" Orientation="Vertical">
<DataGrid Grid.IsSharedSizeScope="True">
<DataGrid.Columns>
<DataGridTextColumn Header="Some col 1" x:Name="first" />
<DataGridTextColumn Header="Some col 2" x:Name="second" />
<DataGridTextColumn Header="Some col 3" />
</DataGrid.Columns>
</DataGrid>
<ListBox>
<ListBox.ItemsPanel>
<ItemsPanelTemplate>
<StackPanel IsItemsHost="True" Orientation="Horizontal" />
</ItemsPanelTemplate>
</ListBox.ItemsPanel>
<Button Content="button 1" Width="{Binding Path=ActualWidth, ElementName=first}"></Button>
<Button Content="button 2" Width="{Binding Path=ActualWidth, ElementName=second}"></Button>
</ListBox>
</StackPanel>
actualwidth DataGrid를 컬럼으로 항목 폭을 바인딩 할 수 있습니다.