winform DataGridView實作用shift多選checkbox

哈哈，謹以此文記住自己的一點笨方法

背景：winform，c#，Datagridview，checkbox 實作自由多選  保證DataGridview的MultiSelect屬性值為true

代碼中加入如下内容：

全局變量：

         private int startrow = -1;

以下是Datagridview的兩個事件：

           private void dataGridView1_KeyUp(object sender, KeyEventArgs e)

        {

            if (this.dataGridView1.SelectedCells.Count > 0 && e.KeyData == Keys.ShiftKey)

            {

                int endrow = this.dataGridView1.CurrentRow.Index;

                if (startrow <= endrow)

                {

                     //正序選時

                    for (int x = startrow; x <= endrow; x++)

                    {

                        this.dataGridView1.Rows[x].Cells["我的checkbox列"].Value = 1;

                    }

                }

                else

                {

                    //倒序選時

                    for (int x = endrow; x <= startrow; x++)

                    {

                        this.dataGridView1.Rows[x].Cells["我的checkbox列"].Value = 1;

                    }

                }

            }

        }

        private void dataGridView1_MouseClick(object sender, MouseEventArgs e)

        {

            if (e.Button == MouseButtons.Left && !(Control.ModifierKeys == Keys.Shift  ))

            {

                if (this.dataGridView1.Focused && this.dataGridView1.CurrentCell.OwningColumn.DataPropertyName == "checkbox" && Convert.ToBoolean(this.dataGridView1.CurrentCell.EditedFormattedValue) == false)

                {

                    startrow = this.dataGridView1.CurrentRow.Index;

                }

            }

        }

ok啦，希望有幫助！！！