Virtual member cannot be declared in structures

• Apr 29, 2019

CodeRush Classic shows the Virtual member cannot be declared in structures code issue if a virtual member is declared in a structure.

Fix

Make the member non-virtual.

Purpose

Highlights the virtual member declarations, which would cause the The modifier ‘virtual’ is not valid for this item compilation error.

Example

C#

public struct MyStruct
{
    public virtual void ProcessData(object data)
    {
        if (Data != null)
            Data = data;
    }
    public object Data { get; private set; }
}

Fix:

C#

public struct MyStruct
{
    public void ProcessData(object data)
    {
        if (Data != null)
            Data = data;
    }
    public object Data { get; private set; }
}