Public Sub New()
　InitializeComponent()
　AddHandler c1DataGrid1.LoadedColumnHeaderPresenter, AddressOf C1DataGrid1_LoadedColumnHeaderPresenter
　AddHandler c1DataGrid1.LoadedRowHeaderPresenter, AddressOf C1DataGrid1_LoadedRowHeaderPresenter
　c1DataGrid1.ColumnHeaderHeight = 50
End Sub

Private Sub C1DataGrid1_LoadedColumnHeaderPresenter(sender As Object, e As C1.WPF.DataGrid.DataGridColumnEventArgs)

　If e.Column.Name = "ProductCode" Then
　　DirectCast(DirectCast(e.Column.HeaderPresenter, ContentControl).Content, TextBlock).Text = "商品" + Environment.NewLine & "コード"
　End If
End Sub

Private Sub C1DataGrid1_LoadedRowHeaderPresenter(sender As Object, e As C1.WPF.DataGrid.DataGridRowEventArgs)
　e.Row.HeaderPresenter.Content = New TextBox()
　DirectCast(e.Row.HeaderPresenter.Content, TextBox).Text = "RowHeader"
End Sub

public KB81007()
{
　InitializeComponent();
　c1DataGrid1.LoadedColumnHeaderPresenter += C1DataGrid1_LoadedColumnHeaderPresenter;
　c1DataGrid1.LoadedRowHeaderPresenter += C1DataGrid1_LoadedRowHeaderPresenter;
　c1DataGrid1.ColumnHeaderHeight = 50;
}

void C1DataGrid1_LoadedColumnHeaderPresenter(object sender, C1.WPF.DataGrid.DataGridColumnEventArgs e)
{
　if (e.Column.Name == "ProductCode")
　{
　　((TextBlock)(((ContentControl)(e.Column.HeaderPresenter)).Content)).Text = "商品" + Environment.NewLine + "コード";
　}
}

void C1DataGrid1_LoadedRowHeaderPresenter(object sender, C1.WPF.DataGrid.DataGridRowEventArgs e)
{
　e.Row.HeaderPresenter.Content = new TextBox()
　{
　　Text = "RowHeader"
　};
}