Graeme Geldenhuys wrote:
If the slider's minimum size is say 100 pixels, no matter how many
lines of code there is, it will make it much easier to click and drag
the slider.

Is this something that must change in SynEdit, or in the Widget Toolkits?

There are multiple possibilities. In SynEdit, in the LCL, or in the widgetset interface. In the LCL is most generic, and for scrollbars is there something like "PageSize", "Min", and "Max". (Max-Min+1) * ScrollBarHeight / PageSize more or less determines the slider size.

Micha

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