void _lnkCon_PreviewKeyDown(object sender, PreviewKeyDownEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
this.__timerDropList.Stop();
this.Visible = false;
}
else if (e.KeyCode == Keys.Enter || e.KeyCode == (Keys.LButton | Keys.MButton | Keys.Back))
{
_gridCellClick(this.__dropGridView);
}
else if (e.KeyCode == Keys.Up || e.KeyCode == Keys.Down)
{
__dropGridView.Focus();
}
}
void InitTextDropGrid <T, R, P>(UcDataGridView gridView, Control lnkCon
, List <DropGridCol> colList, P param, Func <P, T> action)
{
#region 定位表格
int x = 0, y = 0;
Control curCon = lnkCon;
while (!curCon.GetType().Name.ToStringHasNull().StartsWith("frm"))
{
x += curCon.Left;
y += curCon.Top;
curCon = curCon.Parent;
}
y += lnkCon.Height;
if (x + gridView.Width > this.FindForm().ClientSize.Width)
{
x = (x - gridView.Width) + lnkCon.Width < 0 ? 0 : (x - gridView.Width) + lnkCon.Width;
}
if (y + gridView.Height > this.FindForm().ClientSize.Height)
{
y = y - lnkCon.Height - gridView.Height < 0 ? 0 : y - lnkCon.Height - gridView.Height;
}
this.Left = x;
this.Top = y;
this.BringToFront();
#endregion
#region 设置控件的KeyUp事件
if (!__lstAddDropGridControl.Exists(a => a == lnkCon.Name))
{
__lstAddDropGridControl.Add(lnkCon.Name);
lnkCon.KeyDown += delegate(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Escape)
{
this.__timerDropList.Stop();
this.Visible = false;
}
else if (e.KeyCode == Keys.Enter)
{
_gridCellClick(gridView);
}
else if (e.KeyCode == Keys.Up || e.KeyCode == Keys.Down)
{
gridView.Focus();
}
};
}
#endregion
#region 表格赋加事件
if (gridView.Tag != lnkCon)
{
gridView.PreviewKeyDown -= _gridView_PreviewKeyDown;
gridView.PreviewKeyDown += new PreviewKeyDownEventHandler(_gridView_PreviewKeyDown);
gridView.CellClick -= _gridView_CellClick;
gridView.CellClick += new DataGridViewCellEventHandler(_gridView_CellClick);
}
gridView.Tag = lnkCon;
if (gridView.Rows.Count > 0)
{
gridView.Columns[0].Tag = colList;
}
#endregion
if (!this.Visible)
{
this.Visible = true;
}
}
