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Hello SciChart Team,

We are using SciChart v6.1.1.13156 since about a year in our main software that is used by customers worldwide.
The SciChartSurface-Style that all charts use is configured to use the VisualXcceleratorEngine (in DirectX9 mode, as some customers had problems with invisible charts on specific older intel graphics chipsets).

In the last weeks we had several inqiuiries from customers (from Japan, Korea), that the charts in their software do not update when adding new values, the chart is only updated when minimizing and then showing the window again. Another issue was that the X-Axis was updated fluently but the chart (line-chart) only very irregularly (about 2-3 times in a 30sec measurement which provides a value every 20msec). All of these customers use new laptops with 11th generation Intel CPUs. One of these had an Nvidia-graphics card installed an when forcing to use it with our software the charts worked perfectly.

We added an option in our software to Enable Software Rendering (Highspeed Renderer) to increase compatibility when having the above mentioned issues as we thought that it has to do with the VisualXcceleratorEngine, but this did not change anything unfortunately.

We want (and have) to solve this problem as this breaks the functionality of our software with some of our biggest customers.

Best regards,
Oliver from Cologne Germany

Version
6.1.1.13156
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Hi Oliver,

There is a known issue related to Intel HD Graphics drivers and WPF which can be reproduced entirely outside of SciChart.

Try this visual studio solution and run it on the problem PCs. Can you reproduce the issues?

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Hello Andrew,

We did test this with one customer and the WriteableBitmapTest Application did indeed not show any coloured rectangle in the top left corner (on my own and other pcs this did work).

Can you tell me what would be the best option or workaround to solve this problem? As I saw in the link you can force WPF to render everything from software, but we do not want to break the performance of our whole software. Can this be used only for the scichart-surface visuals?

best regards,
Oliver

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Any updates?

best regards,
Oliver

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