Winform datagridview 控制滚轮事件

        /// <summary>
        /// 给datagridview添加鼠标滚轮事件
        /// </summary>
        /// <param name="dataGridView1"></param>
        public static void bindMouseWheel(System.Windows.Forms.DataGridView dataGridView1)
        {
            dataGridView1.MouseWheel += new System.Windows.Forms.MouseEventHandler(dataGridView1_MouseWheel);
            dataGridView1.TabIndex = 0; //获得焦点
        }

        private static void dataGridView1_MouseWheel(object sender, System.Windows.Forms.MouseEventArgs e)
        {
            DataGridView dataGridView1 = sender as DataGridView;
            try
            {
                if (dataGridView1.CurrentCell != null)
                {
                    DataGridViewCell dvc = dataGridView1.CurrentCell;
                    int ri = dvc.RowIndex;
                    int ci = dvc.ColumnIndex;
                    if (e.Delta > 0) //向上
                    {
                        if (ri > 0)
                        {
                            dvc = dataGridView1.Rows[ri - 1].Cells[ci];
                            dataGridView1.CurrentCell = dvc;
                        }
                    }
                    else
                    {
                        if (ri < dataGridView1.Rows.Count - 1)
                        {
                            dvc = dataGridView1.Rows[ri + 1].Cells[ci];
                            dataGridView1.CurrentCell = dvc;
                        }
                    }
                }
            }
            catch
            {
                return;
            }
        }

  

posted @ 2012-09-19 17:24  沙耶  阅读(1262)  评论(0编辑  收藏  举报