How to change scrollbar colors using ScrollBarRenderer

Question

I'm developing a Winforms application and need to set design of scrollbar. I need to change colors of arrows, slider and background of a track. I found a ScrollBarRenderer on msdn msdn ScrollBarRenderer Info and now I don't understand how to set up rendering via methods like

ScrollBarRenderer.DrawRightHorizontalTrack(e.Graphics, ClientRectangle, ScrollBarState.Normal); // Draw the thumb and thumb grip in the current state. ScrollBarRenderer.DrawHorizontalThumb(e.Graphics, thumbRectangle, thumbState); ScrollBarRenderer.DrawHorizontalThumbGrip(e.Graphics, thumbRectangle, thumbState);

This code is executed in OnPaint.

I'll be very grateful for any help.

Octopoid · Accepted Answer · 2015-01-15 10:51:17Z

Sadly the ScrollBar is just a wrapper around the native Win32 API, which doesn't expose the the colors of the bar.

Other controls allow you to extend a custom renderer and use that, but because the scroll bar simply links through to Win32 calls, you can't do that here.

The only way to achieve this is to create a custom draw scroll bar class extending from Control, as this example on Code Project shows.

http://www.codeproject.com/Articles/41869/Custom-Drawn-Scrollbar

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