Header text border too small

[Arieh]

I have a chart, with a predefined heading.
After changing the heading programatically, then the border around the heading is too small for it.
(See header_text1.png).
If I go into the chart properties, and click the "Text" tab (header_text2.png), then the header refreshes itself correctly.
This defect is new in TChart 2010.

As a workaround in the code, how do I do the equivalent of pressing the "Text" tab?

Does it make a difference if I change the heading programmatically via
axTChart1.Header.Text[0] = "Heading that goes over the required area";
or
axTChart1.Header.Text.Clear();
axTChart1.Header.Text.Add("Heading that goes over the required area");

If I compare the two .tee files in text format, then the difference is whether "Title.Font.Height" is -17 or -16. (see header_tee.png)

[Yeray]

Hello Arieh,

I'm trying to reproduce it with the following code but I can't. Could you please check it?

Code: Select all

        private uint ColorToUint(Color c)
        {
            return (UInt32)(System.Drawing.ColorTranslator.ToWin32(c));
        }

        private void InitializeChart()
        {
            axTChart1.Aspect.View3D = false;

            axTChart1.AddSeries(TeeChart.ESeriesClass.scLine);
            axTChart1.Series(0).FillSampleValues();
            
            axTChart1.Header.Text = "Heading that goes over the required area";
            axTChart1.Header.Font.Size = 12;
            axTChart1.Header.Font.Name = "Times New Roman";
            axTChart1.Header.Font.Bold = true;
            axTChart1.Header.Frame.Color = ColorToUint(Color.Blue);
            axTChart1.Header.ShapeStyle = TeeChart.EChartObjectShapeStyle.fosRoundRectangle;
            axTChart1.Header.Transparent = false;
        }

If you still have problems with it, please try to arrange a simple example project we can run as-is to reproduce the problem here.
Thanks in advance.

Does it make a difference if I change the heading programmatically via axTChart1.Header.Text[0] = "Heading that goes over the required area";or axTChart1.Header.Text.Clear(); axTChart1.Header.Text.Add("Heading that goes over the required area");

I don't think so. Have you found any difference?

[Arieh]

I can send a .tee file for you to look at, however the upload attachment mechanism doesn't allow uploading .tee files.
How I email it to you?

[Narcís]

Hi Arieh,

Please try compressing the *.tee file in a zip package and upload it again here. Alternatively you can post it at our upload page.

Thanks in advance.

[Arieh]

I tried to reproduce this scenario on multiple machines.
It occurs specifically when the operating system of the client browser with the TeeChart2010.ocx is Windows7.

(It works if the operating system of the client browser with the TeeChart2010.ocx is XPSP3, or Windows 2008 Server).

The following factors did not effect the defect:
Target machine operating system (XP vs Win2008Server), client browser (IE7 vs IE8)

[Yeray]

Hello Arieh,

We've tried the attached example in Windows 7 both as server&client (localhost) and in Windows 7 as client with Windows XP SP3 as server.
Could you please try it?

test_header.zip

(990 Bytes) Downloaded 680 times

If it works fine for you but not your application, the problem might be caused by some particular setting in your application. If that's the case, please try to arrange a simple example project we can run as-is to reproduce the problem here.

[Arieh]

Hi,

The problem occurs when the operating system hosting the browser is 64 bit.
It shows the header correctly in Windows 7 (32 bit), but incorrectly in Windows 7 (64 bit).

The example with test_header.zip shows the header correctly even within 64 bit.

Attached is a zip of a tee file that shows the header incorrectly when using a browser with a 64 bit operating system.

[Yeray]

Hello Arieh,

I'm afraid I can't reproduce the problem here with a Windows 7 x64 machine. I've ran your example both from localhost in that Win7 x64 machine and using it as client and a WinXP SP3 as server. I always get a good title.
Are you sure you are using the latest TeeChart AX version available (v2010.0.0.3)?

[Arieh]

The issue occurs on a Windows 7 64 bit browser with 2010.0.0.3 of the ocx installed.
I tried with a different machine with the similar specs and it worked fine, so I'm not sure it is 64 bit related.

However the following line of code refreshes the font size, and causes the border with to be displayed correctly, and is therefore a workaround to the problem:

TChart2.Header.Font.Size = TChart2.Header.Font.Size

[Yeray]

Hi Arieh,

Well, I'm happy to hear you've found a workaround. But if you find a consistent way to reproduce the problem, don't hesitate to let us know.