public Rectangle GetCellBounds(int row, CellView cell, bool includeMargin)
{
ExListViewItem item = ListView.ItemContainerGenerator.ContainerFromIndex(row) as ExListViewItem;
if (item == null)
{
return(Rectangle.Zero);
}
// this works only if the wpf layout remains the same
try {
var stackpanel = VisualTreeHelper.GetChild(item, 0);
var border = VisualTreeHelper.GetChild(stackpanel, 0);
var grid = VisualTreeHelper.GetChild(border, 0);
var rowpresenter = VisualTreeHelper.GetChild(grid, 1) as FrameworkElement;
if (VisualTreeHelper.GetChildrenCount(rowpresenter) != view.Columns.Count)
{
return(Rectangle.Zero);
}
var colpresenter = VisualTreeHelper.GetChild(rowpresenter, cellViews [cell].ColumnIndex) as FrameworkElement;
var colchild = VisualTreeHelper.GetChild(colpresenter, 0) as FrameworkElement;
if (cellViews [cell].Column.Views.Count > 1 && colchild is System.Windows.Controls.StackPanel)
{
var childStack = colchild as System.Windows.Controls.StackPanel;
if (childStack == null || VisualTreeHelper.GetChildrenCount(childStack) < cellViews [cell].CellIndex)
{
return(Rectangle.Zero);
}
var cellpresenter = VisualTreeHelper.GetChild(childStack, cellViews [cell].CellIndex) as FrameworkElement;
var position = cellpresenter.TransformToAncestor(ListView).Transform(new System.Windows.Point(-ListView.Padding.Left, 0));
var rect = new Rect(position, cellpresenter.RenderSize);
return(rect.ToXwtRect());
}
else
{
var position = colchild.TransformToAncestor(ListView).Transform(new System.Windows.Point(-ListView.Padding.Left, 0));
var rect = new Rect(position, colchild.RenderSize);
return(rect.ToXwtRect());
}
} catch (ArgumentOutOfRangeException) {
return(Rectangle.Zero);
} catch (ArgumentNullException) {
return(Rectangle.Zero);
}
}
public Rectangle GetRowBounds(int row, bool includeMargin)
{
ExListViewItem item = ListView.ItemContainerGenerator.ContainerFromIndex(row) as ExListViewItem;
if (item == null)
{
return(Rectangle.Zero);
}
// this works only if the wpf layout remains the same
try {
var stackpanel = VisualTreeHelper.GetChild(item, 0);
var border = VisualTreeHelper.GetChild(stackpanel, 0) as FrameworkElement;
var rect = Rectangle.Zero;
if (includeMargin)
{
var position = border.TransformToAncestor(ListView).Transform(new System.Windows.Point(0, 0));
rect = new Rect(position, border.RenderSize).ToXwtRect();
rect.X -= ListView.Padding.Left + ListView.BorderThickness.Left;
}
else
{
var grid = VisualTreeHelper.GetChild(border, 0);
var rowpresenter = VisualTreeHelper.GetChild(grid, 1) as FrameworkElement;
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(rowpresenter); i++)
{
var colpresenter = VisualTreeHelper.GetChild(rowpresenter, i) as FrameworkElement;
var colchild = VisualTreeHelper.GetChild(colpresenter, 0) as FrameworkElement;
var cellcount = VisualTreeHelper.GetChildrenCount(colchild);
if (cellcount > 1)
{
for (int j = 0; j < cellcount; j++)
{
var cell = VisualTreeHelper.GetChild(colchild, j) as FrameworkElement;
var position = cell.TransformToAncestor(ListView).Transform(new System.Windows.Point(-ListView.Padding.Left, 0));
var cell_rect = new Rect(position, cell.RenderSize).ToXwtRect();
if (rect == Rectangle.Zero)
{
rect = cell_rect;
}
else
{
rect = rect.Union(cell_rect);
}
}
}
else
{
var position = colchild.TransformToAncestor(ListView).Transform(new System.Windows.Point(-ListView.Padding.Left, 0));
var cell_rect = new Rect(position, colchild.RenderSize).ToXwtRect();
if (rect == Rectangle.Zero)
{
rect = cell_rect;
}
else
{
rect = rect.Union(cell_rect);
}
}
}
}
return(rect);
} catch (ArgumentOutOfRangeException) {
return(Rectangle.Zero);
} catch (ArgumentNullException) {
return(Rectangle.Zero);
}
}
