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High DPI problems for WinForm component
posted

Hi Sir/Madam,

We use WinForm c# UI component to build our application since v8.3. We found that when users set DPI to 200% or higher DPI. Some UI components reveal problems. Most of them are text issues. Recently, we try to upgrade to .Net 5 and try the latest version v21.1 but still see the same problems.

Now we saw two problems when we set to high DPI.

1. Tool tip text are cut.  We create a ButtonTool, set the tooltip text and add it to the Ribbon. It looks like the text are enlarged but the border size doesn't. Is there a way to enlarge the tool tip border?

ButtonTool btnReConfigTool= new ButtonTool(_KeyReConfigSettings);
btnReConfigTool.SharedProps.ToolTipText = resStr;

2. UltraGrid edit text size is strange.  When we select the text and try to edit it, the font size become small. We doesn't set the default font size or change the  font size of edit state. It should be the same size of non-edit state. Is there a way to not change the font size?

Thanks

Daniel