Search found 137 matches

by Dave
Tue Jan 18, 2011 4:57 pm
Forum: .NET
Topic: Zooming-in on my scatter graph sometimes shows diddly squat
Replies: 18
Views: 3685

Re: Zooming-in on my scatter graph sometimes shows diddly squat

Sandra thanks. Yes that code works OK. I think Ive worked out why there was a problem. Its because my chart data plotted several points at the same location. If I ensure no 2 points are the same then the graph draws OK and I can zoom into any area. However the chart doesn't look quite right. There i...
by Dave
Mon Jan 17, 2011 2:48 pm
Forum: .NET
Topic: Zooming-in on my scatter graph sometimes shows diddly squat
Replies: 18
Views: 3685

Re: Zooming-in on my scatter graph sometimes shows diddly squat

Hi Sorry for the delay in getting back (was sidetracked to something else temporarily). Its a bit difficult for me to send the project because its so large. I basically create the chart by reading the x and y coords into 2 arrays. I then call drawGraph(x,y) which draws the chart. ie. public void dra...
by Dave
Thu Dec 23, 2010 4:03 pm
Forum: .NET
Topic: Zooming-in on my scatter graph sometimes shows diddly squat
Replies: 18
Views: 3685

Re: Zooming-in on my scatter graph sometimes shows diddly squat

The source for the executeable is very simple. Here it is. Its in C#.Net using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; namespace TeeChartTest10 { public partial c...
by Dave
Thu Dec 23, 2010 4:01 pm
Forum: .NET
Topic: Zooming-in on my scatter graph sometimes shows diddly squat
Replies: 18
Views: 3685

Re: Zooming-in on my scatter graph sometimes shows diddly squat

Thanks. Ive uploaded an executeable and a chart for for you to look at. Its compressed. Let me know if there are any problems. You need to add TeeChart.dll to make it run. I tried uploading the project including the TeeChart.dll but the file was too big. Try zooming-in on the concentrated circular s...
by Dave
Mon Dec 06, 2010 3:05 pm
Forum: .NET
Topic: Zooming-in on my scatter graph sometimes shows diddly squat
Replies: 18
Views: 3685

Zooming-in on my scatter graph sometimes shows diddly squat

Hi I have created a scatter graph using TeeChart NET v3 There are quite a lot of points, typically around 50,000. They are in a single "Points" series When I zoom-in using the mouse (dragging a rectangle) it sometimes shows a blank. ie. zero points. Ive noticed when I zoom in on the right side of th...
by Dave
Wed Oct 20, 2010 8:02 am
Forum: .NET
Topic: Changing Legend Symbol Width in Code?
Replies: 3
Views: 606

Re: Changing Legend Symbol Width in Code?

Sandra

Thanks that works. Ive discovered I need to set the symbol width AFTER adding a series to the chart.
by Dave
Tue Oct 19, 2010 1:06 pm
Forum: .NET
Topic: Changing Legend Symbol Width in Code?
Replies: 3
Views: 606

Changing Legend Symbol Width in Code?

Hi folks I can change this setting from the Chart Editor by clicking the Legend tab, then the Symbols tab, then modifying the Width text box Ive tried doing the following in code: myChart.Legend.Symbol.Width = 5; myChart.Legend.Symbol.WidthUnits = Steema.TeeChart.LegendSymbolSize.Pixels; However the...
by Dave
Thu Jun 10, 2010 4:19 pm
Forum: .NET
Topic: Is there a "Change" Flag for Teechart?
Replies: 8
Views: 1227

Re: Is there a "Change" Flag for Teechart?

Im getting it to work correctly ALL times if I do the following before calling the editor. Dont know if something is being cleared somewhere but it works

byte[] tmpbuffer1, tmpbuffer2;
tmpbuffer1 = ExportToByte(tChart1);
tmpbuffer2 = ExportToByte(tChart1);
by Dave
Thu Jun 10, 2010 4:03 pm
Forum: .NET
Topic: Is there a "Change" Flag for Teechart?
Replies: 8
Views: 1227

Re: Is there a "Change" Flag for Teechart?

Yeray have you tested this example? It seems to work almost every time when the editor is displayed and closed. ie. it correctly identifies when changes have been made and when no changes have been made. However the exception is the very first time the editor is displayed and closed. In this case it...
by Dave
Thu Jun 10, 2010 2:09 pm
Forum: .NET
Topic: Is there a "Change" Flag for Teechart?
Replies: 8
Views: 1227

Re: Is there a "Change" Flag for Teechart?

Thanks Yeray I will try this out.
by Dave
Wed Jun 09, 2010 10:54 am
Forum: .NET
Topic: Is there a "Change" Flag for Teechart?
Replies: 8
Views: 1227

Re: Is there a "Change" Flag for Teechart?

Hi Maybe Ive not explained this well enough. Im developing a windows application using C#.NET. The application contains a form that includes a TChart. I have provided an option that lets the user use the Tchart editor. As most of you will know this allows the user to change things such as titles, le...
by Dave
Mon Jun 07, 2010 1:00 pm
Forum: .NET
Topic: Is there a "Change" Flag for Teechart?
Replies: 8
Views: 1227

Is there a "Change" Flag for Teechart?

Hello Support

Id like to be able to prompt the user if he/she would like to save changes before closing the chart.
Is there a flag I can check that will tell me if the user has made any changes using the chart editor?

regards
by Dave
Thu Feb 11, 2010 1:40 pm
Forum: .NET
Topic: Difficulty with Filled Contour Chart.
Replies: 22
Views: 4308

Re: Difficulty with Filled Contour Chart.

OK thanks Narcis
by Dave
Thu Feb 11, 2010 10:27 am
Forum: .NET
Topic: Difficulty with Filled Contour Chart.
Replies: 22
Views: 4308

Re: Difficulty with Filled Contour Chart.

Thanks Narcis. The sample app behaves as previously ie. It doesnt fill the contours but just draws grey contour lines. Im assuming therefore we require a more uptodate version of TeeChart. The version we is NET 3.0 (Version: 3.5.3371.26406). I just downloaded a newer version of TeeChart NET3.0 ( 3.5...
by Dave
Wed Feb 10, 2010 3:24 pm
Forum: .NET
Topic: Difficulty with Filled Contour Chart.
Replies: 22
Views: 4308

Re: Difficulty with Filled Contour Chart.

Narcis Thanks Ive read the link but unfortunately Im still not getting anywhere. Im sure my contour data is in the correct format eg. similar to; contour1.Add(5,4,10); contour1.Add(10,88,10); contour1.Add(15,34,10); contour1.Add(5,54,20); contour1.Add(10,322,20); contour1.Add(15,19,20); contour1.Add...