How to inherit from DataGridView class on windows form on the level of windows form without create custom user control

Probblem

i have custom datagridview as below 

private dxControls.xDataGrid GridDataH;

i need this GridDataH inherit from DataGridView Class inside windows form 

actually i need to make some Overide methode like that

protected override bool ProcessCmdKey(ref Message msg, Keys keyData)
        {
.........
}

How to inherit from DataGridView class on windows form on the level of windows form without create custom user control ?