c# - 如何在单击 DatagridView 中的另一个复选框列时禁用复选框列

Question

我有两个 ckecboxes（错误和启用），如下所示

如果我取消选中“启用”复选框，相应的“错误”复选框将变为灰色。

我尝试了下面的方法，但没有启用或禁用属性

    void dgRulesMaster_CellContentClick(object sender, DataGridViewCellEventArgs e)
    {
      if (e.RowIndex > -1 & e.ColumnIndex == 3)
      {
   var editingCellFormattedValue = Convert.ToBoolean(((DataGridViewCheckBoxCell)dgRulesMaster.Rows[dgRulesMaster.CurrentRow.Index].Cells[3]).EditingCellFormattedValue);

     if (editingCellFormattedValue == false)
     {
          dgRulesMaster[2, e.RowIndex].ReadOnly = true;
     }
  }    
}

Answer 1

再次，使用自定义绘画（我喜欢它:)，我想 Cell 在 ReadOnly 时应该看起来像 Disable，当然它只适用于DataGridViewCheckBoxColumn，这是我的代码：

void dgRulesMaster_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
  if (e.RowIndex > -1 & e.ColumnIndex == 3)
  {
    var editingCellFormattedValue = Convert.ToBoolean(((DataGridViewCheckBoxCell)dgRulesMaster.Rows[dgRulesMaster.CurrentRow.Index].Cells[3]).EditingCellFormattedValue);

    if (editingCellFormattedValue == false)
    {
      dgRulesMaster[2, e.RowIndex].ReadOnly = true;
      dgRulesMaster.InvalidateCell(2,e.RowIndex);
    }
  }   
 } 
 //And here is the CellPainting event handler for your dataGridView
 private void dgRulesMaster_CellPainting(object sender, DataGridViewCellPaintingEventArgs e){
    if (e.ColumnIndex > -1 && e.RowIndex > -1 && 
       dgRulesMaster.Columns[e.ColumnIndex] is DataGridViewCheckBoxColumn && dgRulesMaster[e.ColumnIndex, e.RowIndex].ReadOnly)
        {
            Size checkSize = CheckBoxRenderer.GetGlyphSize(e.Graphics, System.Windows.Forms.VisualStyles.CheckBoxState.CheckedNormal);                
            e.Handled = true;
            e.PaintBackground(e.CellBounds, true);
            if (e.Value != null)
            {
                CheckBoxRenderer.DrawCheckBox(e.Graphics, new Point(e.CellBounds.X + e.CellBounds.Width / 2 - checkSize.Width / 2, e.CellBounds.Y + e.CellBounds.Height / 2 - checkSize.Height / 2), 
               (bool)e.Value ? System.Windows.Forms.VisualStyles.CheckBoxState.CheckedDisabled : System.Windows.Forms.VisualStyles.CheckBoxState.UncheckedDisabled);                    
            }
        }
  }