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SelectAll

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GridView
This is a migrated thread and some comments may be shown as answers.
Darryn
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Darryn asked on 25 Jun 2012, 06:52 PM
I was hoping to implement SelectAll functionality when the user double clicks in the cell that is to the left of the first column and above the first row.

I tried using hittesting to detect when the user clicks there, but didn't have any luck since it wasn't coming up as a valid row or column. 

Is is possible to do this?

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Dimitrina
Telerik team
answered on 26 Jun 2012, 01:34 PM
Hello,

In order to detect the cell you double-clicked on, you can work direcly with MouseDoubleClick event. For example:

private void clubsGrid_MouseDoubleClick(object sender, System.Windows.Input.MouseButtonEventArgs e)
        {
            var clickedElement = e.OriginalSource as FrameworkElement;
            if(clickedElement != null)
            {
                if(clickedElement.ParentOfType<GridViewCell>() != null)
                {
                    MessageBox.Show("You clicked on a cell");
                }
            }
        }

You could as well take a look at this online demo on the click events.

All the best,
Didie
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Darryn
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answered on 26 Jun 2012, 02:19 PM
Since I only care about the cell in between the first column and the row indicator (which technically isnt a cell) I had to make some adjustments to the code. This looks like it works:

var clickedElement = e.OriginalSource as FrameworkElement;
if (clickedElement != null)
{
    if (clickedElement.ParentOfType<GridViewHeaderRow>() != null)
    {
        if (clickedElement.ParentOfType<DataCellsPresenter>() == null)
        {
            var dgv = e.Source as RadGridView;
            dgv.SelectAll();
        }                   
    }               
}
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Dimitrina
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Darryn
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