Пример #1
0
        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);
        }
Пример #2
0
        /// <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);
        }