Hello, i´m using Flowchart.NET.

I've a diagrma with a Control Host that contains a RichTextBox.

In order to export the view to word in Background, i need to get the image of the loaded diagram.
All the ShapeNodes are properly exported, my problem only comes on those Custom Control Host that contains those RichTextBoxes that are not rendered.

I´ve defined the DiagramView.PaintControl += flowChart_PaintControlHost that is where normally diagram loading render those controls.
Then the problem is how to force the invoke of this doing it in background to after get the correct image.

I tried also invoke the render from the FlowChart_DrawNode, but my problem there is that DrawNodeEventArgs has no PaintRect property.

Thanks in advance.
Miguel

I've read the thread you said, but what i dont understand is where should i invoke the RTFToPicture2 class? I mean, any event in FlowChart implementation class, or inside the own RTF Control?

I dont just want to export the image of the control, i want the rendered image in the whole image of the FlowChart diagram. My problem is that the RTF is always gray when i call Flowchart.CreateImage().

Thanks again!

That's what i had already done.

This is my piece of code.

private void diagramView_PaintControl(object sender, PaintControlEventArgs e)
{

ExtRichTextBox rtb = e.Node.Control as ExtRichTextBox;
           if (rtb != null)
           {
               MindFusion.Diagramming.Diagram temp = new MindFusion.Diagramming.Diagram();
               MindFusion.Diagramming.WinForms.DiagramView tempDV = new DiagramView();
               tempDV.Diagram = temp;
               temp.MeasureUnit = GraphicsUnit.Inch;
               RectangleF anInch = new RectangleF(0, 0, 1, 1);
               Rectangle devInch = tempDV.DocToClient(anInch);
               float dpi = devInch.Width;

               // Paint background (needed if text doesn't fill the control
               e.Graphics.FillRectangle(new System.Drawing.SolidBrush(rtb.BackColor), e.PaintRect);

               // render the control
               rtb = (ExtRichTextBox)e.Node.Control;
               Rectangle paintRect = diagramView.DocToClient(e.PaintRect);
               Rectangle pageRect = diagramView.DocToClient(flowChart.Bounds);

               IntPtr ptr = e.Graphics.GetHdc();

               using (Graphics g = Graphics.FromHdc(ptr))
               {
                   rtb.Render(g, paintRect);
               }

               e.Graphics.ReleaseHdc(ptr);
           }
}


My problem is that creating and loading in background the View on the fly, the event DiagramView.PaintControl is not raised and dont know how to force it being raised.

I´ve just fixed!



I had the event attached but i did the creation of the view programatically and  i missed this line, and that was avoiding the event to be raised.

this.DiagramView.Diagram = this.flowChart;

Thanks so much for your help!