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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
 
namespace WindowsFormsApplicationTest
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
 
            var dgv = new DataGridView();
            dgv.Dock = DockStyle.Fill;
 
            var c = new DataGridViewCheckBoxColumn();
            c.CellTemplate = new TestCell();
 
            dgv.Columns.Add(c);
            dgv.RowCount = 10;
 
            Controls.Add(dgv);
        }
    }
 
    public class TestCell : DataGridViewCheckBoxCell
    {
        protected override void Paint(Graphics graphics, Rectangle clipBounds, Rectangle cellBounds, int rowIndex, DataGridViewElementStates elementState, object value, object formattedValue, string errorText, DataGridViewCellStyle cellStyle, DataGridViewAdvancedBorderStyle advancedBorderStyle, DataGridViewPaintParts paintParts)
        {
            if (rowIndex % 2 == 0) // 条件
            {
                paintParts &= DataGridViewPaintParts.All ^ DataGridViewPaintParts.ContentBackground ^ DataGridViewPaintParts.ContentForeground;
            }
            base.Paint(graphics, clipBounds, cellBounds, rowIndex, elementState, value, formattedValue, errorText, cellStyle, advancedBorderStyle, paintParts);
        }
        protected override void OnContentClick(DataGridViewCellEventArgs e)
        {
            if (e.RowIndex % 2 == 0) // 条件
            {
                return;
            }
            base.OnContentClick(e);
        }
    }
}
 

prog.cs(4,14): error CS0234: The type or namespace name `Data' does not exist in the namespace `System'. Are you missing an assembly reference?
prog.cs(8,24): error CS0234: The type or namespace name `Tasks' does not exist in the namespace `System.Threading'. Are you missing an assembly reference?
prog.cs(9,14): error CS0234: The type or namespace name `Windows' does not exist in the namespace `System'. Are you missing an assembly reference?
prog.cs(32,29): error CS0246: The type or namespace name `DataGridViewCheckBoxCell' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(34,116): error CS0246: The type or namespace name `DataGridViewElementStates' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(34,211): error CS0246: The type or namespace name `DataGridViewCellStyle' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(34,244): error CS0246: The type or namespace name `DataGridViewAdvancedBorderStyle' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(34,254): error CS0246: The type or namespace name `DataGridViewPaintParts' could not be found. Are you missing a using directive or an assembly reference?
prog.cs(42,48): error CS0246: The type or namespace name `DataGridViewCellEventArgs' could not be found. Are you missing a using directive or an assembly reference?
Compilation failed: 9 error(s), 0 warnings

Standard output is empty