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Grouping symbol problem

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89549 Aug 28,2009 02:02 AM Sep 1,2009 05:44 AM Windows Forms 3
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Tags: Diagram
kim dugsung
Asked On August 28, 2009 02:02 AM

Hello.

When I try to group symbols over 7, the bottom symbol is not visible. How can I solve this problem.
Attached file is screen capture.

p.s: I know that group symbol has child nodes over 7,
rendering image is made by following class for performance of moving group symbol. And I think that below "HandleRenderer.cs",
the function name "RenderToBitmap" has a bug. please help me.

public static Bitmap RenderToBitmap(ICompositeNode nodeComposite, RenderingStyle styleRender)
{
// Get nodes bounding rectangle.
NodeCollection nodes = GetNodes(nodeComposite);
RectangleF rcBounding = ((IUnitIndependent)nodeComposite).GetBoundingRectangle(MeasureUnits.Pixel, false);
RectangleF rectTemp = RectangleF.Empty;

if (nodeComposite is Node)
{
rectTemp = ((Node)nodeComposite).RefreshRect;
rectTemp.Size = ((IUnitIndependent)nodeComposite).GetSize(MeasureUnits.Pixel);
float fLineWidth = Math.Abs(rcBounding.X - rectTemp.X) * 2;
rectTemp.Width += fLineWidth;
rectTemp.Height += fLineWidth;
}
else
{
GetBoundingRectangle(nodes, MeasureUnits.Pixel);
}

rectTemp.X -= rcBounding.X;
rectTemp.Y -= rcBounding.Y;
System.Drawing.Rectangle rectBounding = Geometry.ConvertRectangle(rectTemp);
// Render nodes to bitmap.
// create bitmap
Bitmap bitmapToReturn = new Bitmap(rectBounding.Width, rectBounding.Height);

// get graphics to render to
using (Graphics gph = Graphics.FromImage(bitmapToReturn))
{
gph.SmoothingMode = styleRender.SmoothingMode;
gph.TextRenderingHint = styleRender.TextRenderingHint;
gph.InterpolationMode = styleRender.InterpolationMode;

if (rectBounding.X < 0)
gph.TranslateTransform(Math.Abs(rectBounding.X), 0, MatrixOrder.Append);
if (rectBounding.Y < 0)
gph.TranslateTransform(0, Math.Abs(rectBounding.Y), MatrixOrder.Append);
foreach (Node node in nodes)
{
node.Draw(gph);
}
}

return bitmapToReturn;
}

kim dugsung
Replied On August 28, 2009 02:20 AM

this is a capture image



capture_3d1398d9.jpg

kim dugsung
Replied On August 30, 2009 03:26 AM

Please help me~

Mano J [Syncfusion]
Replied On September 1, 2009 05:44 AM

Hi Kim,

I need more details on this problem. From the image you have provided, I assume you created lines, curved lines and trying to group it.

Please let me know if I am missing something.

Regards,
Mano

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