Change Properties of multiple buttons

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Hi, I made a game , a mini version of battleship in wpf. I made 25 buttons instead of a 5x5 grid, now I want to change the properties of the buttons. Currently I am changing them by creating a click_down event for each button which is a time consuming method, can I change the properties using loop or a single function which I can call every time. The buttons are named as b1,b2.b3... b25. Is this possible?

Posted 9-Aug-15 20:59pm

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Sergey Alexandrovich Kryukov · Accepted Answer · 2015-08-09T21:54:00

I want to say "no, it's impossible", but it cannot be serious, right? :-)

I have no idea how you created the array of buttons, but it's pretty obvious that you need an array of them. I would suggest you don't use XAML for that, because XAML would create individual buttons, not the array. However, I would suggest you create an instance of Grid in XAML and fill it in code behind. Doing it in XAML means to much of dumb manual work which is hard to maintain.

C#

const int matrixSize = 5;
Grid buttonGrid = // can come from XAML
Button[,] buttons = new Button[matrixSize, matrixSize];
for (int yIndex = 0; yIndex < matrixSize; ++yIndex)
    for (int xIndex = 0; xIndex < matrixSize; ++xIndex) {
        buttons[yIndex, xIndex] = new Button(); 
        buttonGrid.SetRow(buttons[yIndex, xIndex], yIndex);
        buttinGrid.SetColumn(buttons[yIndex, xIndex], xIndex);
        // set any button's properties
} //x, y loops

Using Grid.SetRow and Grid.SetColumn methods is the key; this is the way to set an attached property to an instance of a UIElement:
https://msdn.microsoft.com/en-us/library/ms589026%28v=vs.110%29.aspx[^],
https://msdn.microsoft.com/en-us/library/system.windows.controls.grid_properties%28v=vs.110%29.aspx[^].

See also:
https://msdn.microsoft.com/en-us/library/vstudio/ms749011%28v=vs.100%29.aspx[^],
https://msdn.microsoft.com/en-us/library/vstudio/ms752914%28v=vs.100%29.aspx[^].

If you do it this way, you can use the similar loop any time later to change any other properties.

—SA