protected override void OnMouseDown(MouseEventArgs e)
{
var pindex = GetIndexAtPoint(new Point(e.X, e.Y));
var index = GetIndex(pindex);
if (GetImageBounds(pindex).Contains(e.X, e.Y) && index < Folder.PartIndexs.Count)
{
if ((ModifierKeys & Keys.Control) == Keys.Control)
{
if (e.Button == MouseButtons.Left)
{
if (SelectedIndexs.Contains(index))
{
SelectedIndexs.Remove(index);
SelectedItemsChanged(this, null);
Invalidate(index);
}
else
{
SelectedIndexs.Add(index);
SelectedItemsChanged(this, null);
Invalidate(index);
}
}
}
else
{
if (!SelectedIndexs.Contains(index))
{
SelectedIndexs.Clear();
SelectedIndexs.Add(index);
SelectedItemsChanged(this, null);
Invalidate();
}
if (e.Button == MouseButtons.Right)
{
contextMenuStrip1.Show(this, new Point(e.X, e.Y));
}
}
}
else
{
SelectedIndexs.Clear();
SelectedItemsChanged(this, null);
Invalidate();
if (e.Button == MouseButtons.Right)
{
contextMenuStrip1.Show(this, e.X, e.Y);
}
}
base.OnMouseDown(e);
}
/// <summary>
/// 根据选中行，读取记录表中的行号和数据，排除多选的情况
/// </summary>
/// <param name="popupEvent"></param>
private GridViewPopupEventArgs SetPopupEvent(int keyIndex)
{
GridViewPopupEventArgs popupEvent = new GridViewPopupEventArgs(this);
switch (dataType)
{
case DataEnum.DataTable:
case DataEnum.DataRows:
{
var item = currentPageRowSource.Skip(keyIndex - 1).FirstOrDefault();
popupEvent.RowIndex = _dataRowSource.IndexOf(item);
popupEvent.RowSource = item;
}
break;
case DataEnum.BaseModel:
{
var item = currentPageModelSource.Skip(keyIndex - 1).FirstOrDefault();
popupEvent.RowIndex = _dataModelSource.IndexOf(item);
popupEvent.RowSource = item;
}
break;
default:
break;
}
if (!MultiSelect) //单选
{
SelectedIndexs.Clear();
SelectedIndexs.Add(popupEvent.RowIndex);
}
else //多选
{
//不存在时，选中状态，否则无响应
if (!SelectedIndexs.Contains(popupEvent.RowIndex))
{
SelectedIndexs.Add(popupEvent.RowIndex);
}
else
{
SelectedIndexs.Remove(popupEvent.RowIndex);
}
}
popupEvent.SelectedIndexs = SelectedIndexs;
return(popupEvent);
}