Auto Shapes SpreadsheetGear API Sample

// Create a new workbook and get a reference to the active worksheet and window 
// info.
SpreadsheetGear.IWorkbook workbook =  SpreadsheetGear.Factory.GetWorkbook();
SpreadsheetGear.IWorksheet worksheet = workbook.ActiveWorksheet;
SpreadsheetGear.IWorksheetWindowInfo windowInfo = worksheet.WindowInfo;

// Get a reference to the worksheet's shapes collection.
SpreadsheetGear.Shapes.IShapes shapes = worksheet.Shapes;

// Add a variety of auto shapes.
for (int iRow = 0; iRow < 12; iRow += 3)
{
    for (int iCol = 0; iCol < 7; iCol++)
    {
        // Calculate the left, top, width and height of the shape by 
        // converting row and column coordinates to points.  Use fractional 
        // values to get coordinates in between row and column boundaries.
        double left = windowInfo.ColumnToPoints(iCol + 0.1);
        double top = windowInfo.RowToPoints(iRow + 0.2);
        double right = windowInfo.ColumnToPoints(iCol + 0.9);
        double bottom = windowInfo.RowToPoints(iRow + 2.8);
        double width = right - left;
        double height = bottom - top;

        // Get the next sample auto shape type.
        SpreadsheetGear.Shapes.AutoShapeType autoShapeType =
            GetAutoShapeType(shapes.Count);

        // Add the shape using the calculated bounds.
        SpreadsheetGear.Shapes.IShape shape =
            shapes.AddShape(autoShapeType, left, top, width, height);

        // Set fill color with increased transparency for each shape.
        SpreadsheetGear.Shapes.IFillFormat fillFormat = shape.Fill;
        fillFormat.ForeColor.RGB = SpreadsheetGear.Colors.DarkSlateBlue;
        fillFormat.Transparency = (shapes.Count - 1.0) * 0.03;

        // Set line color.
        SpreadsheetGear.Shapes.ILineFormat lineFormat = shape.Line;
        lineFormat.ForeColor.RGB = SpreadsheetGear.Colors.Maroon;

        // Set line to dash line style.
        lineFormat.DashStyle = SpreadsheetGear.Shapes.LineDashStyle.Dash;
    }
}


/*
 * SpreadsheetGear supports many of Excel's auto shape types
 * in the SpreadsheetGear.Shapes.IShapes API (more than 100 types).
 * 
 * The WorkbookView control currently supports and renders a subset of
 * these auto shape types including the ones listed below and used in
 * this sample.  See the Shape Explorer's AutoShape category for a
 * complete list of auto shapes supported in the WorkbookView control.
 */
private SpreadsheetGear.Shapes.AutoShapeType GetAutoShapeType(int index)
{
    switch (index)
    {
        case 0:
        default:
            return SpreadsheetGear.Shapes.AutoShapeType.Rectangle;
        case 1:
            return SpreadsheetGear.Shapes.AutoShapeType.Parallelogram;
        case 2:
            return SpreadsheetGear.Shapes.AutoShapeType.Trapezoid;
        case 3:
            return SpreadsheetGear.Shapes.AutoShapeType.Diamond;
        case 4:
            return SpreadsheetGear.Shapes.AutoShapeType.Oval;
        case 5:
            return SpreadsheetGear.Shapes.AutoShapeType.Cross;
        case 6:
            return SpreadsheetGear.Shapes.AutoShapeType.IsoscelesTriangle;
        case 7:
            return SpreadsheetGear.Shapes.AutoShapeType.RightTriangle;
        case 8:
            return SpreadsheetGear.Shapes.AutoShapeType.Octagon;
        case 9:
            return SpreadsheetGear.Shapes.AutoShapeType.Hexagon;
        case 10:
            return SpreadsheetGear.Shapes.AutoShapeType.RegularPentagon;
        case 11:
            return SpreadsheetGear.Shapes.AutoShapeType.FlowchartManualInput;
        case 12:
            return SpreadsheetGear.Shapes.AutoShapeType.FlowchartOffpageConnector;
        case 13:
            return SpreadsheetGear.Shapes.AutoShapeType.FlowchartMerge;
        case 14:
            return SpreadsheetGear.Shapes.AutoShapeType.FlowchartCollate;
        case 15:
            return SpreadsheetGear.Shapes.AutoShapeType.FlowchartSort;
        case 16:
            return SpreadsheetGear.Shapes.AutoShapeType.RightArrow;
        case 17:
            return SpreadsheetGear.Shapes.AutoShapeType.LeftArrow;
        case 18:
            return SpreadsheetGear.Shapes.AutoShapeType.UpArrow;
        case 19:
            return SpreadsheetGear.Shapes.AutoShapeType.DownArrow;
        case 20:
            return SpreadsheetGear.Shapes.AutoShapeType.LeftRightArrow;
        case 21:
            return SpreadsheetGear.Shapes.AutoShapeType.UpDownArrow;
        case 22:
            return SpreadsheetGear.Shapes.AutoShapeType.RightArrowCallout;
        case 23:
            return SpreadsheetGear.Shapes.AutoShapeType.LeftArrowCallout;
        case 24:
            return SpreadsheetGear.Shapes.AutoShapeType.UpArrowCallout;
        case 25:
            return SpreadsheetGear.Shapes.AutoShapeType.DownArrowCallout;
        case 26:
            return SpreadsheetGear.Shapes.AutoShapeType.LeftRightArrowCallout;
        case 27:
            return SpreadsheetGear.Shapes.AutoShapeType.UpDownArrowCallout;
    }
}