Windows Phone使用网格

Question

I have a grid with 7 rows and 7 columns. I want to put in each cell a control dynamically.

To add the controls I use this code

Rectangle newRectangle = new Rectangle();

newRectangle.Tap += new EventHandler<GestureEventArgs>(Rectangle_KeyDown);
newRectangle.Fill = HighlightColor;

Grid.SetColumn(newRectangle, i);
Grid.SetRow(newRectangle, ii);

grid1.Children.Add(newRectangle);

How can I get one of those controls from position x,y ?

I thought something like

Grid.GetColumn( ?? );
Grid.GetRow( ?? );

But I don't know how to continue.

I realy hope someone can help me.

Answer 1

There is no built in function for that so you should do the searching manually. But you can easily write such search function eg with Linq:

var rectangleAtXy = grid.Children.OfType<Rectangle>()
    .SingleOrDefault(c => Grid.GetColumn(c) == x && Grid.GetRow(c) == y);

Answer 2

There is no function for this. You have to read the attached properties Row amd Column of the grid's children to determine in which cell they are in.

Answer 3

I am not sure what you are trying to accomplish there but I might suggest a different, cleaner approach that might work for you.

It involves using a ListBox with a UniformGrid as the ItemsPanelTemplate. You would then create a Collection and set it as the ItemsSource for this List. You can now populate your list with your Controls using a simple transformation from a bi dimensional perspective (col, row) to a single dimension list (your list). Setting and retrieving the controls is now as simple as that transformation.