Search found 12 matches

by coldsun1982
Mon May 20, 2019 11:24 am
Forum: LightningChart Ultimate WPF
Topic: SetDeplymentKey failed
Replies: 3
Views: 1001

Re: SetDeplymentKey failed

Hi, if it is the first condition, how to get ‘Developer license’? according to click "Copy deplyment key to" in Arction components liscense manager?
by coldsun1982
Mon May 20, 2019 3:05 am
Forum: LightningChart Ultimate WPF
Topic: SetDeplymentKey failed
Replies: 3
Views: 1001

SetDeplymentKey failed

Hi, I used "LightningChartUltimate.SetDeploymentKey(deploymentKey);" to publish my application in one PC, this PC owns legal copy, I get the key accordint to click "Copy deplyment key to" in Arction components liscense manager. Afer building this project, I copy the release of the project to another...
by coldsun1982
Thu Apr 25, 2019 12:44 pm
Forum: LightningChart Ultimate WPF
Topic: How to get the location when using mouse wheel in chart?
Replies: 1
Views: 844

How to get the location when using mouse wheel in chart?

Hi, When I use mouse wheel in chart to zoom in or zoom out, how could I get the location of my mouse movement? I creatchart such as, and add two event:sb_Scroll & ExampleThreadFedScrollBar_RangeChanged, can I get the location of mouse according to the property of e? HorizontalScrollBar sb = new Hori...
by coldsun1982
Wed Apr 24, 2019 1:52 pm
Forum: LightningChart Ultimate WPF
Topic: How to use "RemoveFromBeginning" in non-bind?
Replies: 6
Views: 1353

Re: How to use "RemoveFromBeginning" in non-bind?

Hi, as you said, If my x'value is random, the x-values may not be in ascending order or it may be the data point == the previous point, is the DeletePointsBeforeX not fit for me? One more thing, how to use YourPointsCollection.RemoveFromBeginning(1) in full -bind? how to set YourPointsCollection to ...
by coldsun1982
Tue Apr 23, 2019 1:44 pm
Forum: LightningChart Ultimate WPF
Topic: How to use "RemoveFromBeginning" in non-bind?
Replies: 6
Views: 1353

Re: How to use "RemoveFromBeginning" in non-bind?

Hi, as you said in the first method, I don't know the value of point[0]. if I used the DeletePointsBeforeX, It may be delete all smaller X value than given value. This is what I don't want to meet. In your second method, It wiil slove my problem, Does this operation slow down the speed?Now, It read ...
by coldsun1982
Mon Apr 22, 2019 2:47 pm
Forum: LightningChart Ultimate WPF
Topic: How to use "RemoveFromBeginning" in non-bind?
Replies: 6
Views: 1353

How to use "RemoveFromBeginning" in non-bind?

Hi, I use non-bindable wpf Charting, I can add points use "_chart.ViewXY.PointLineSeries[0].AddPoints(points, false);", and I can get the count of points use "_chart.ViewXY.PointLineSeries[0].PointCount". When count > 500, I want to remove the points at index of 0. Now I don't konw how to do, I can'...
by coldsun1982
Sat Apr 20, 2019 8:59 am
Forum: LightningChart Ultimate WPF
Topic: How to set YAxes'range automaticly?
Replies: 2
Views: 789

How to set YAxes'range automaticly?

Hi, when creat chart, I usually use "chart.ViewXY.YAxes[0].SetRange(min, max);". Now, I want to set this range automaticly because I don't konw the value of YAxes when it is working, how to do it?
by coldsun1982
Sat Mar 02, 2019 3:14 pm
Forum: LightningChart Ultimate How-To's
Topic: Lost points using pointseries when using the mouse wheel
Replies: 2
Views: 1224

Lost points using pointseries when using the mouse wheel

Hi,
I used PointLineSeries to add new point periodly, but the early points lost when I zoomed out and zoomed in using the mouse wheel.
How to solve it, I want to record all points.
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by coldsun1982
Thu Feb 28, 2019 2:24 am
Forum: LightningChart Ultimate WPF
Topic: How to add a HorizontalScrollBar if xAxis is datatime?
Replies: 1
Views: 763

How to add a HorizontalScrollBar if xAxis is datatime?

Hi, I want to add a horizontalscrollbar as the Historic data review in demo, and the valuetype of xAxis is AxisValueType.DateTime as the teperature graph in demo. Now, I have two problems: 1. if I write code as follows: AxisX xAxis = _chart.ViewXY.XAxes[0]; xAxis.ValueType = AxisValueType.DateTime; ...