如图所示,在子窗口中动态生成了一个比赛对阵表,想把“*”号位置处的背景设置成黑色,试了几种方法:
1。用列值绑定转换器的好像很麻烦,一是列表头是运动员的名字是不确定的,二是要设置背景色的位置也不同。不好用绑定属性的方式来改变背景色
2。根据datagrid的items来循环设置
...... for (int l=0;l< doc.dataGrid4.Items.Count;l++)
{
DataGridCell cell = GetCell(doc.dataGrid4, l+1, l+1);
cell.Background = new SolidColorBrush(Colors.Black);
}
......
public DataGridCell GetCell(DataGrid dg, int rowIndex, int columnIndex)
{
DataGridRow row = dg.ItemContainerGenerator.ContainerFromIndex(rowIndex) as DataGridRow;
DataGridCellsPresenter p = GetVisualChild<DataGridCellsPresenter>(row);
DataGridCell cell = p.ItemContainerGenerator.ContainerFromIndex(columnIndex) as DataGridCell;
return cell;
}
static T GetVisualChild<T>(Visual parent) where T : Visual
{
T child = default(T);
int numVisuals = VisualTreeHelper.GetChildrenCount(parent);
for (int i = 0; i < numVisuals; i++)
{
Visual v = (Visual)VisualTreeHelper.GetChild(parent, i);
child = v as T;
if (child == null)
{
child = GetVisualChild<T>(v);
}
if (child != null)
{ break; }
}
return child;
提示出错!初学wpf求老司机带带! }