public static void dgv回车往右并开启编辑(object sender, KeyEventArgs e)
{
//just accept enter key
if (e.Key != Key.Enter)
{
return;
}
var dgv = sender as DataGrid;
DependencyObject dep = (DependencyObject)e.OriginalSource;
//here we just find the cell got focused ...
//then we can use the cell key down or key up
// iteratively traverse the visual tree
while ((dep != null) && !(dep is DataGridCell) && !(dep is DataGridColumnHeader))
{
dep = VisualTreeHelper.GetParent(dep);
}
if (dep == null)
{
return;
}
if (dep is DataGridCell)
{
//cancel if datagrid in edit mode
dgv.CancelEdit();
//get current cell
DataGridCell cell = dep as DataGridCell;
//deselect current cell
//以后再调试 cell.IsSelected = false; 报错 SelectionUnit 为 FullRow 时，无法更改单元格选择。SelectionUnit = Cell才能设置 ”
//find next right cell
var nextCell = cell.PredictFocus(FocusNavigationDirection.Right);
//if next right cell null go for find next ro first cell
if (nextCell == null)
{
DependencyObject nextRowCell;
nextRowCell = cell.PredictFocus(FocusNavigationDirection.Down);
//if next row is null so we have no more row Return;
if (nextRowCell == null)
{
return;
}
//we do this because we cant use FocusNavigationDirection.Next for function PredictFocus
//so we have to find it this way
while ((nextRowCell as DataGridCell).PredictFocus(FocusNavigationDirection.Left) != null)
{
nextRowCell = (nextRowCell as DataGridCell).PredictFocus(FocusNavigationDirection.Left);
}
//set new cell as next cell
nextCell = nextRowCell;
}
//change current cell
dgv.CurrentCell = new DataGridCellInfo(nextCell as DataGridCell);
//change selected cell
(nextCell as DataGridCell).IsSelected = true;
// start edit mode
dgv.BeginEdit();
}
//handl the default action of keydown
e.Handled = true;
}
