Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
    ' Because we want to show a wide table, we adjust the properties of the preview accordingly:
    ' Hide all margins.
    C1PrintPreviewControl1.PreviewPane.HideMarginsState = C1.Win.C1Preview.HideMarginsFlags.All
    ' Do not allow the user to show margins.
    C1PrintPreviewControl1.PreviewPane.HideMargins = C1.Win.C1Preview.HideMarginsFlags.None
    ' Set padding between pages with hidden margins to 0, so that no gap is visible:
    C1PrintPreviewControl1.PreviewPane.PagesPaddingSmall = New Size(0, 0)
    ' Set zoom mode:
    C1PrintPreviewControl1.PreviewPane.ZoomMode = C1.Win.C1Preview.ZoomModeEnum.PageWidth
    ' Make the document.
    MakeDoc1(C1PrintDocument1)
    C1PrintDocument1.Generate()
End Sub
Private Sub MakeDoc1(ByVal doc As C1.C1Preview.C1PrintDocument)
    Const ROWS As Integer = 20
    Const COLS As Integer = 8
    Dim rt As C1.C1Preview.RenderTable = New C1.C1Preview.RenderTable
    rt.Width = "auto"
    Dim col As Integer
    For col = 0 To COLS
        rt.Cols(col).Width = "5cm"
    Next
    ' We want the last column on page to stretch to the right edge of the page, so that there is no white space left before the margin.
    rt.Stretch = C1.C1Preview.StretchTableEnum.LastColumnOnPage
    ' For the rightmost column, we turn stretching off:
    rt.Cols(rt.Cols.Count - 1).Stretch = C1.C1Preview.StretchColumnEnum.No
    ' Tell the table that it can split horizontally, otherwise the right part of the table will be clipped:
    rt.CanSplitHorz = True
    ' Fill table with sample data.
    Dim row As Integer
    For row = 0 To ROWS
        For col = 0 To COLS
             rt.Cells(row, col).Text = String.Format("Cell ({0}, {1})", row, col)
        Next
    Next
    doc.Body.Children.Add(rt)
    ' Set up table style.
    rt.Style.GridLines.All = New C1.C1Preview.LineDef("2pt", Color.Black)
    rt.Style.GridLines.Horz = New C1.C1Preview.LineDef("1pt", Color.Gray)
    rt.Style.GridLines.Vert = New C1.C1Preview.LineDef("1pt", Color.Gray)
End Sub

private void Form1_Load(object sender, EventArgs e)
{
    // Because we want to show a wide table, we adjust the properties of the preview accordingly:
    // Hide all margins.
    c1PrintPreviewControl1.PreviewPane.HideMarginsState = C1.Win.C1Preview.HideMarginsFlags.All;
    // Do not allow the user to show margins.
       c1PrintPreviewControl1.PreviewPane.HideMargins = C1.Win.C1Preview.HideMarginsFlags.None;
    // Set padding between pages with hidden margins to 0, so that no gap is visible.
    c1PrintPreviewControl1.PreviewPane.PagesPaddingSmall = new Size(0, 0);
    // Set zoom mode.
    c1PrintPreviewControl1.PreviewPane.ZoomMode = C1.Win.C1Preview.ZoomModeEnum.PageWidth;
    // Make the document.
    MakeDoc1(c1PrintDocument1);
    c1PrintDocument1.Reflow();
}
private void MakeDoc1(C1PrintDocument doc)
{
    const int ROWS = 20;
    const int COLS = 8;
    // Make the table.
    C1.C1Preview.RenderTable rt = new C1.C1Preview.RenderTable();
    // For tables, "auto" width means that the width of the table will be equal to the widths of all columns, so we MUST also set the columns' widths.
    rt.Width = "auto";
    for (int col = 0; col < COLS; ++col)
         rt.Cols[col].Width = "5cm";
    // We want the last column on page to stretch to the right edge of the page, so that there is no white space left before the margin.
    rt.Stretch = C1.C1Preview.StretchTableEnum.LastColumnOnPage;
    // For the rightmost column, we turn stretching off:
    rt.Cols[rt.Cols.Count - 1].Stretch = C1.C1Preview.StretchColumnEnum.No;
    // Tell the table that it can split horizontally, otherwise the right part of the table will be clipped:
    rt.CanSplitHorz = true;
    // Fill table with sample data.
    for (int row = 0; row < ROWS; ++row)
    {
        for (int col = 0; col < COLS; ++col)
        {
            rt.Cells[row, col].Text = string.Format("Cell ({0}, {1})", row, col);
        }
    }
    // Add the table to the document.
    doc.Body.Children.Add(rt);
    // Set up table style.
    rt.Style.GridLines.All = new C1.C1Preview.LineDef("2pt", Color.Black);
    rt.Style.GridLines.Horz = new C1.C1Preview.LineDef("1pt", Color.Gray);
    rt.Style.GridLines.Vert = new C1.C1Preview.LineDef("1pt", Color.Gray);
}