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Asked: 2026-06-16T19:56:37+00:00

My application makes use of a custom cursor loaded from a predefined file (.cur)

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My application makes use of a custom cursor loaded from a predefined file (.cur) during runtime. I know windows uses a standard 32×32 pixels cursor or a 48×48 pixel cursor for high DPI devices.

The cursor I want to use in my application however is much larger. A small cursor is displayed correctly when I use Mouse.SetCursor(_CustomCursor). When a larger cursor is chosen, I don’t see any cursor. It would seem that the cursor loads correctly but cannot be displayed.

Note: Currently a static .cur cursor is acceptable.

Is there a way to display larger cursors in my application and if there is a limit on the size, what is it?

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1 Answer

  1. Editorial Team

    Is there a restriction to cursor sizes?

    Yes, it’s a system restriction. Not just for VB.NET…

    To get the max size of the Cursor you can use, you should query the SystemParameters.CursorHeight and SystemParameters.CursorWidth properties.

    As stated by MSDN these properties are mapped to the SM_CYCURSOR andSM_CXCURSOR properties respectivly.
    As you can read in MSDN

    SM_CXCURSOR
    13
    The width of a cursor, in pixels. The system cannot create cursors of other sizes.

    and

    SM_CYCURSOR
    14
    The height of a cursor, in pixels. The system cannot create cursors of other sizes.

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