如何绘制自定义DataGridViewCell

I'm trying to manually draw cells in a DataGridView. Specifically I'd like to draw a row of CheckBoxes. Normally you can add a DataGridViewCheckBoxColumn, but as far as I'm aware, there isn't a DataGridViewCheckBoxRow. (I can't just create lots of DGVCheckBoxColumns because I'd like different cell types in different rows).I'm trying to manually draw cells in a DataGrid