private void CreateMoveMeShape()
{
// create the center shape to which all other shapes connect
NRectangleF cell = base.GetGridCell(3, 0);
cell.Inflate(-5, -5);
NRectangleShape shape = new NRectangleShape(cell);
shape.Name = "Move Me";
shape.Text = "Move Me Close to Another Shape";
shape.Style.FillStyle = new NColorFillStyle(Color.FromArgb(247, 150, 56));
shape.Style.StrokeStyle = new NStrokeStyle(1, Color.FromArgb(68, 90, 108));
// create an outward port
shape.CreateShapeElements(ShapeElementsMask.Ports);
NRotatedBoundsPort port = new NRotatedBoundsPort(shape.UniqueId, ContentAlignment.TopCenter);
port.Type = PortType.Outward;
shape.Ports.AddChild(port);
shape.Ports.DefaultOutwardPortUniqueId = port.UniqueId;
// add it to the active layer and store for reuse
document.ActiveLayer.AddChild(shape);
centerShape = shape;
}
private void CreateCenterShape()
{
// create the center shape to which all other shapes connect
NRectangleF cell = base.GetGridCell(3, 0);
cell.Inflate(-5, -5);
NEllipseShape shape = new NEllipseShape(cell);
shape.Name = "Center shape";
shape.Style.FillStyle = new NColorFillStyle(Color.FromArgb(50, 0, 0xbb, 0));
shape.Style.StrokeStyle = new NStrokeStyle(1, Color.FromArgb(0, 0xbb, 0));
shape.CreateShapeElements(ShapeElementsMask.Ports);
NDynamicPort port = new NDynamicPort(shape.UniqueId, ContentAlignment.MiddleCenter, DynamicPortGlueMode.GlueToContour);
shape.Ports.AddChild(port);
shape.Ports.DefaultInwardPortUniqueId = port.UniqueId;
// add it to the active layer and store for reuse
document.ActiveLayer.AddChild(shape);
centerShape = shape;
}
private void InitDocument()
{
// modify the connectors style sheet
NStyleSheet styleSheet = (document.StyleSheets.GetChildByName(NDR.NameConnectorsStyleSheet, -1) as NStyleSheet);
styleSheet.Style.StrokeStyle = new NStrokeStyle(1, Color.Black);
styleSheet.Style.StartArrowheadStyle.Shape = ArrowheadShape.None;
styleSheet.Style.EndArrowheadStyle.StrokeStyle = new NStrokeStyle(1, Color.Black);
// create a stylesheet for the CPA shapes
styleSheet = new NStyleSheet("CPA");
styleSheet.Style.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(68, 90, 108), Color.FromArgb(162, 173, 182));
document.StyleSheets.AddChild(styleSheet);
// create a stylesheet for the CLIENT shapes
styleSheet = new NStyleSheet("CLIENT");
styleSheet.Style.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(247, 150, 56), Color.FromArgb(251, 203, 156));
document.StyleSheets.AddChild(styleSheet);
// create a stylesheet for the stripes
styleSheet = new NStyleSheet("STRIPE");
styleSheet.Style.FillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.White, Color.FromArgb(221, 221, 221));
styleSheet.Style.StrokeStyle = new NStrokeStyle(0, Color.White);
document.StyleSheets.AddChild(styleSheet);
// create a stylesheet for the ABC texts
styleSheet = new NStyleSheet("ABC");
styleSheet.Style.TextStyle = new NTextStyle(new Font("Ariel", 12), Color.FromArgb(150, 150, 150));
document.StyleSheets.AddChild(styleSheet);
float abcWidth = 150;
// configure the document
base.DefaultGridCellSize = new NSizeF(100, 70);
base.DefaultGridSpacing = new NSizeF(30, 30);
base.DefaultGridOrigin = new NPointF(60, 30);
document.Bounds = new NRectangleF(0, 0, 1000, (6 * base.DefaultGridCellSize.Height) + (7 * base.DefaultGridSpacing.Height));
document.ShadowsZOrder = ShadowsZOrder.BehindLayer;
// create the stripes
NRectanglePath rect = new NRectanglePath(0, 0, document.Width, document.Height / 3);
rect.StyleSheetName = "STRIPE";
document.ActiveLayer.AddChild(rect);
rect = new NRectanglePath(0, document.Height / 3, document.Width, document.Height / 3);
rect.StyleSheetName = "STRIPE";
document.ActiveLayer.AddChild(rect);
rect = new NRectanglePath(0, 2 * document.Height / 3, document.Width, document.Height / 3);
rect.StyleSheetName = "STRIPE";
document.ActiveLayer.AddChild(rect);
// create A,B,C texts
NTextPrimitive text = new NTextPrimitive("A", document.Width - abcWidth, 0, abcWidth, document.Height / 3);
text.Mode = BoxTextMode.Stretch;
rect.StyleSheetName = "ABC";
document.ActiveLayer.AddChild(text);
text = new NTextPrimitive("B", document.Width - abcWidth, document.Height / 3, abcWidth, document.Height / 3);
text.Mode = BoxTextMode.Stretch;
rect.StyleSheetName = "ABC";
document.ActiveLayer.AddChild(text);
text = new NTextPrimitive("C", document.Width - abcWidth, 2 * document.Height / 3, abcWidth, document.Height / 3);
text.Mode = BoxTextMode.Stretch;
rect.StyleSheetName = "ABC";
document.ActiveLayer.AddChild(text);
// add stripe texts
text = new NTextPrimitive("Sing up client", document.Width - abcWidth, document.Height / 3 - 50, abcWidth, 50);
document.ActiveLayer.AddChild(text);
text = new NTextPrimitive("Monthly Accounting Services", document.Width - abcWidth, 2 * document.Height / 3 - 50, abcWidth, 50);
document.ActiveLayer.AddChild(text);
text = new NTextPrimitive("Additional Services", document.Width - abcWidth, 3 * document.Height / 3 - 50, abcWidth, 50);
document.ActiveLayer.AddChild(text);
// create a layer for the foreground shapes
NLayer layer = new NLayer();
document.Layers.AddChild(layer);
document.ActiveLayerUniqueId = layer.UniqueId;
// all shapes in the foreground layer have a shadow
layer.Style.ShadowStyle = new NShadowStyle(
ShadowType.GaussianBlur,
Color.Gray,
new NPointL(5, 5),
1,
new NLength(10));
// shapes in row 1
NShape newClient = base.CreateFlowChartingShape(FlowChartingShapes.Decision, base.GetGridCell(0, 0), "New Client", "CPA");
NShape register = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(0, 1), "Register", "CPA");
NShape clientAccountInfo = base.CreateFlowChartingShape(FlowChartingShapes.Data, base.GetGridCell(0, 2), "Client account info", "CPA");
NShape explainDataEntryProcedures = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(0, 3), "Explain data entry procedures", "CPA");
// shapes in row 2
NShape dataEntry = base.CreateFlowChartingShape(FlowChartingShapes.ManualInput, base.GetGridCell(2, 0), "Data Entry", "CLIENT");
NShape emailCompleted = base.CreateFlowChartingShape(FlowChartingShapes.Document, base.GetGridCell(2, 1), "E-mail Completed", "CLIENT");
NShape review = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(2, 2), "Review", "CPA");
NShape needsRevising = base.CreateFlowChartingShape(FlowChartingShapes.Decision, base.GetGridCell(2, 3), "Needs revising", "CPA");
NShape emailRevisions = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(2, 4), "E-mail revisions", "CPA");
NShape evaluateRevisions = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(2, 5), "Evaluate revisions", "CLIENT");
// shapes in row 3
NShape emailApprovedRevisions = base.CreateFlowChartingShape(FlowChartingShapes.Document, base.GetGridCell(3, 2), "E-mail Approved Revisions", "CLIENT");
NShape evaluateRevisions2 = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(3, 4), "Evaluate Revisions", "CLIENT");
NShape answerClientEmail = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(3, 5), "Answer Client E-mail", "CPA");
// shapes in row 4
NShape paywoll = base.CreateFlowChartingShape(FlowChartingShapes.Document, base.GetGridCell(5, 2), "Payroll", "CLIENT");
NShape taxes = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(5, 3), "Taxes", "CLIENT");
NShape controller = base.CreateFlowChartingShape(FlowChartingShapes.Process, base.GetGridCell(5, 4), "Controller", "CPA");
// some shapes need to have extra ports
NRotatedBoundsPort port = new NRotatedBoundsPort(evaluateRevisions.UniqueId, new NContentAlignment(-25, 50));
port.Name = "BottomLeft";
evaluateRevisions.Ports.AddChild(port);
port = new NRotatedBoundsPort(evaluateRevisions.UniqueId, new NContentAlignment(+25, 50));
port.Name = "BottomRight";
evaluateRevisions.Ports.AddChild(port);
port = new NRotatedBoundsPort(answerClientEmail.UniqueId, new NContentAlignment(-25, -50));
port.Name = "TopLeft";
answerClientEmail.Ports.AddChild(port);
port = new NRotatedBoundsPort(answerClientEmail.UniqueId, new NContentAlignment(+25, -50));
port.Name = "TopRight";
answerClientEmail.Ports.AddChild(port);
// connect shapes in levels
base.CreateConnector(newClient, "Center", register, "Center", ConnectorType.Line, "YES");
base.CreateConnector(register, "Center", clientAccountInfo, "Center", ConnectorType.Line, "");
base.CreateConnector(clientAccountInfo, "Center", explainDataEntryProcedures, "Center", ConnectorType.Line, "");
base.CreateConnector(dataEntry, "Center", emailCompleted, "Center", ConnectorType.Line, "");
base.CreateConnector(emailCompleted, "Center", review, "Center", ConnectorType.Line, "");
base.CreateConnector(review, "Center", needsRevising, "Center", ConnectorType.Line, "");
base.CreateConnector(needsRevising, "Center", emailRevisions, "Center", ConnectorType.Line, "YES");
base.CreateConnector(emailRevisions, "Center", evaluateRevisions, "Center", ConnectorType.Line, "");
base.CreateConnector(evaluateRevisions2, "Center", emailApprovedRevisions, "Center", ConnectorType.Line, "");
// connect accross levels
NStep3Connector connector = (base.CreateConnector(newClient, "Center", dataEntry, "Center", ConnectorType.SideToSide, "NO") as NStep3Connector);
connector.UseMiddleControlPointPercent = false;
connector.MiddleControlPointOffset = -55;
base.CreateConnector(explainDataEntryProcedures, "Center", dataEntry, "Center", ConnectorType.TopToBottom, "");
base.CreateConnector(emailApprovedRevisions, "Center", review, "Center", ConnectorType.Line, "");
base.CreateConnector(emailRevisions, "Center", evaluateRevisions2, "Center", ConnectorType.Line, "");
base.CreateConnector(evaluateRevisions, "BottomLeft", answerClientEmail, "TopLeft", ConnectorType.Line, "");
base.CreateConnector(answerClientEmail, "TopRight", evaluateRevisions, "BottomRight", ConnectorType.Line, "");
connector = (base.CreateConnector(needsRevising, "Center", paywoll, "Center", ConnectorType.TopToBottom, "") as NStep3Connector);
connector.MiddleControlPointPercent = 66;
connector = (base.CreateConnector(needsRevising, "Center", taxes, "Center", ConnectorType.TopToBottom, "") as NStep3Connector);
connector.MiddleControlPointPercent = 66;
connector = (base.CreateConnector(needsRevising, "Center", controller, "Center", ConnectorType.TopToBottom, "") as NStep3Connector);
connector.MiddleControlPointPercent = 66;
// create the legend as a group
NGroup legend = new NGroup();
NRectangleShape legendBackground = new NRectangleShape(0, 0, 1, 3);
legendBackground.Style.FillStyle = new NColorFillStyle(Color.White);
legend.Shapes.AddChild(legendBackground);
NRectangleF bounds = new NRectangleF(0, 1, 1, 1);
bounds.Inflate(-0.2f, -0.2f);
NRectangleShape cpaItem = new NRectangleShape(bounds);
cpaItem.Text = "CPA";
cpaItem.StyleSheetName = "CPA";
legend.Shapes.AddChild(cpaItem);
bounds = new NRectangleF(0, 2, 1, 1);
bounds.Inflate(-0.2f, -0.2f);
NRectangleShape clientItem = new NRectangleShape(bounds);
clientItem.Text = "Client";
clientItem.StyleSheetName = "CLIENT";
legend.Shapes.AddChild(clientItem);
legend.UpdateModelBounds();
legend.Bounds = base.GetGridCell(4, 0, 1, 1);
document.ActiveLayer.AddChild(legend);
}
private void CreateScene(NDrawingDocument document)
{
document.BackgroundStyle.FrameStyle.Visible = false;
NFillStyle cpaFillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(102, 204, 255), Color.FromArgb(0, 128, 128));
NFillStyle clientFillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.FromArgb(255, 102, 0), Color.FromArgb(255, 204, 0));
NFillStyle stripeFillStyle = new NGradientFillStyle(GradientStyle.Horizontal, GradientVariant.Variant1, Color.White, Color.FromArgb(221, 221, 221));
NTextStyle abcTextStyle = new NTextStyle(new Font("Arial", 12), Color.FromArgb(150, 150, 150));
float abcWidth = 150;
NDrawingDocumentHelper helper = new NDrawingDocumentHelper(document);
// configure the document
helper.DefaultGridCellSize = new NSizeF(100, 70);
helper.DefaultGridSpacing = new NSizeF(30, 30);
helper.DefaultGridOrigin = new NPointF(60, 30);
document.Bounds = new NRectangleF(0, 0, 1000, (6 * helper.DefaultGridCellSize.Height) + (7 * helper.DefaultGridSpacing.Height));
document.ShadowsZOrder = ShadowsZOrder.BehindLayer;
// create the stripes
NRectangleShape rect = new NRectangleShape(0, 0, document.Width, document.Height / 3);
rect.Style.FillStyle = (NFillStyle)stripeFillStyle.Clone();
rect.Style.StrokeStyle = new NStrokeStyle(0, Color.White);
document.ActiveLayer.AddChild(rect);
rect = new NRectangleShape(0, document.Height / 3, document.Width, document.Height / 3);
rect.Style.FillStyle = (NFillStyle)stripeFillStyle.Clone();
rect.Style.StrokeStyle = new NStrokeStyle(0, Color.White);
document.ActiveLayer.AddChild(rect);
rect = new NRectangleShape(0, 2 * document.Height / 3, document.Width, document.Height / 3);
rect.Style.FillStyle = (NFillStyle)stripeFillStyle.Clone();
rect.Style.StrokeStyle = new NStrokeStyle(0, Color.White);
document.ActiveLayer.AddChild(rect);
// create A,B,C texts
NTextShape text = new NTextShape("A", document.Width - abcWidth, 0, abcWidth, document.Height / 3);
text.Mode = BoxTextMode.Stretch;
text.Style.TextStyle = (abcTextStyle.Clone() as NTextStyle);
document.ActiveLayer.AddChild(text);
text = new NTextShape("B", document.Width - abcWidth, document.Height / 3, abcWidth, document.Height / 3);
text.Mode = BoxTextMode.Stretch;
text.Style.TextStyle = (abcTextStyle.Clone() as NTextStyle);
document.ActiveLayer.AddChild(text);
text = new NTextShape("C", document.Width - abcWidth, 2 * document.Height / 3, abcWidth, document.Height / 3);
text.Mode = BoxTextMode.Stretch;
text.Style.TextStyle = (abcTextStyle.Clone() as NTextStyle);
document.ActiveLayer.AddChild(text);
// add stripe texts
text = new NTextShape("Sing up client", document.Width - abcWidth, document.Height / 3 - 50, abcWidth, 50);
document.ActiveLayer.AddChild(text);
text = new NTextShape("Monthly Accounting Services", document.Width - abcWidth, 2 * document.Height / 3 - 50, abcWidth, 50);
document.ActiveLayer.AddChild(text);
text = new NTextShape("Additional Services", document.Width - abcWidth, 3 * document.Height / 3 - 50, abcWidth, 50);
document.ActiveLayer.AddChild(text);
// create a layer for the forground shapes
NLayer layer = new NLayer();
document.Layers.AddChild(layer);
document.ActiveLayerUniqueId = layer.UniqueId;
layer.Style.ShadowStyle = new NShadowStyle(ShadowType.GaussianBlur,
Color.Gray,
new Nevron.GraphicsCore.NPointL(5, 5),
1,
new NLength(10));
// shapes in row 1
NShape newClient = helper.CreateBasicShape(BasicShapes.Diamond, helper.GetGridCell(0, 0), "New Client", cpaFillStyle);
NShape register = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(0, 1), "Register", cpaFillStyle);
NShape clientAccountInfo = helper.CreateFlowChartingShape(FlowChartingShapes.Data, helper.GetGridCell(0, 2), "Client account info", cpaFillStyle);
NShape explainDataEntryProcedures = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(0, 3), "Explain data entry procedures", cpaFillStyle);
// shapes in row 2
NShape dataEntry = helper.CreateFlowChartingShape(FlowChartingShapes.ManualInput, helper.GetGridCell(2, 0), "Data Entry", clientFillStyle);
NShape emailCompleted = helper.CreateFlowChartingShape(FlowChartingShapes.Document, helper.GetGridCell(2, 1), "E-mail Completed", clientFillStyle);
NShape review = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(2, 2), "Review", cpaFillStyle);
NShape needsRevising = helper.CreateBasicShape(BasicShapes.Diamond, helper.GetGridCell(2, 3), "Needs revising", cpaFillStyle);
NShape emailRevisions = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(2, 4), "E-mail revisions", cpaFillStyle);
NShape evaluateRevisions = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(2, 5), "Evaluate revisions", clientFillStyle);
// shapes in row 3
NShape emailApprovedRevisions = helper.CreateFlowChartingShape(FlowChartingShapes.Document, helper.GetGridCell(3, 2), "E-mail Approved Revisions", clientFillStyle);
NShape evaluateRevisions2 = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(3, 4), "Evaluate Revisions", clientFillStyle);
NShape answerClientEmail = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(3, 5), "Answer Client E-mail", cpaFillStyle);
// shapes in row 4
NShape paywoll = helper.CreateFlowChartingShape(FlowChartingShapes.Document, helper.GetGridCell(5, 2), "Payroll", clientFillStyle);
NShape taxes = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(5, 3), "Taxes", clientFillStyle);
NShape controller = helper.CreateBasicShape(BasicShapes.Rectangle, helper.GetGridCell(5, 4), "Controller", cpaFillStyle);
// create the optional ports of the shape
evaluateRevisions.CreateShapeElements(ShapeElementsMask.Ports);
// some shapes need to have extra ports
NRotatedBoundsPort port = new NRotatedBoundsPort(evaluateRevisions.UniqueId, new NContentAlignment(-25, 50));
port.Name = "BottomLeft";
evaluateRevisions.Ports.AddChild(port);
port = new NRotatedBoundsPort(evaluateRevisions.UniqueId, new NContentAlignment(+25, 50));
port.Name = "BottomRight";
evaluateRevisions.Ports.AddChild(port);
// create the optional ports of the shape
answerClientEmail.CreateShapeElements(ShapeElementsMask.Ports);
port = new NRotatedBoundsPort(answerClientEmail.UniqueId, new NContentAlignment(-25, -50));
port.Name = "TopLeft";
answerClientEmail.Ports.AddChild(port);
port = new NRotatedBoundsPort(answerClientEmail.UniqueId, new NContentAlignment(+25, -50));
port.Name = "TopRight";
answerClientEmail.Ports.AddChild(port);
// connect shapes in levels
helper.CreateConnector(newClient, "Center", register, "Center", ConnectorType.Line, "YES");
helper.CreateConnector(register, "Center", clientAccountInfo, "Center", ConnectorType.Line, "");
helper.CreateConnector(clientAccountInfo, "Center", explainDataEntryProcedures, "Center", ConnectorType.Line, "");
helper.CreateConnector(dataEntry, "Center", emailCompleted, "Center", ConnectorType.Line, "");
helper.CreateConnector(emailCompleted, "Center", review, "Center", ConnectorType.Line, "");
helper.CreateConnector(review, "Center", needsRevising, "Center", ConnectorType.Line, "");
helper.CreateConnector(needsRevising, "Center", emailRevisions, "Center", ConnectorType.Line, "YES");
helper.CreateConnector(emailRevisions, "Center", evaluateRevisions, "Center", ConnectorType.Line, "");
helper.CreateConnector(evaluateRevisions2, "Center", emailApprovedRevisions, "Center", ConnectorType.Line, "");
// connect accross levels
NStep3Connector connector = (helper.CreateConnector(newClient, "Center", dataEntry, "Center", ConnectorType.SideToSide, "NO") as NStep3Connector);
connector.UseMiddleControlPointPercent = false;
connector.MiddleControlPointOffset = -50;
helper.CreateConnector(explainDataEntryProcedures, "Center", dataEntry, "Center", ConnectorType.TopToBottom, "");
helper.CreateConnector(emailApprovedRevisions, "Center", review, "Center", ConnectorType.Line, "");
helper.CreateConnector(emailRevisions, "Center", evaluateRevisions2, "Center", ConnectorType.Line, "");
helper.CreateConnector(evaluateRevisions, "BottomLeft", answerClientEmail, "TopLeft", ConnectorType.Line, "");
helper.CreateConnector(answerClientEmail, "TopRight", evaluateRevisions, "BottomRight", ConnectorType.Line, "");
connector = (helper.CreateConnector(needsRevising, "Center", paywoll, "Center", ConnectorType.TopToBottom, "") as NStep3Connector);
connector.MiddleControlPointPercent = 66;
connector = (helper.CreateConnector(needsRevising, "Center", taxes, "Center", ConnectorType.TopToBottom, "") as NStep3Connector);
connector.MiddleControlPointPercent = 66;
connector = (helper.CreateConnector(needsRevising, "Center", controller, "Center", ConnectorType.TopToBottom, "") as NStep3Connector);
connector.MiddleControlPointPercent = 66;
// create the legend
NGroup legend = new NGroup();
NRectangleShape ledendBackground = new NRectangleShape(0, 0, 1, 3);
ledendBackground.Style.FillStyle = new NColorFillStyle(Color.White);
legend.Shapes.AddChild(ledendBackground);
NTextShape legendTitle = new NTextShape("Legend", 0, 0, 1, 1);
legend.Shapes.AddChild(legendTitle);
NRectangleF bounds = new NRectangleF(0, 1, 1, 1);
bounds.Inflate(-0.2f, -0.2f);
NShape shape = helper.CreateBasicShape(BasicShapes.Rectangle, bounds, "CPA", (NFillStyle)cpaFillStyle.Clone(), false);
legend.Shapes.AddChild(shape);
bounds = new NRectangleF(0, 2, 1, 1);
bounds.Inflate(-0.2f, -0.2f);
shape = helper.CreateBasicShape(BasicShapes.Rectangle, bounds, "Client", (NFillStyle)clientFillStyle.Clone(), false);
legend.Shapes.AddChild(shape);
legend.UpdateModelBounds();
legend.Bounds = helper.GetGridCell(4, 0, 1, 1);
document.ActiveLayer.AddChild(legend);
}