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James
770
XamGrid.KeyDown doesn't pass Key.Enter
posted

Hi

I wanted to catch 'enter' in a text column to add a new line to the text (since TextColumn doesn't support 'AcceptsReturn') so I added a KeyDown handler to the grid and found that the handler isn't called for Key.Enter.

It is, however, called for Key.Enter when catching KeyDown on a TextBlock in a TemplateColumn. which is what I'm doing now, but it seems an odd restriction.  

 

James

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  • 6912
    posted

    Hi,

    The XamGrid handles KeyDown event when the Enter key is press.

    For the case that you describe you can use a TemplateColumn like that:

    ...
<ig:TemplateColumn Key="String">
    <ig:TemplateColumn.ItemTemplate>
        <DataTemplate>
            <TextBlock Text="{Binding String}" />
        </DataTemplate>
    </ig:TemplateColumn.ItemTemplate>
    <ig:TemplateColumn.EditorTemplate>
        <DataTemplate>
            <TextBox Text="{Binding String, Mode=TwoWay}" KeyDown="TextBox_KeyDown" />
        </DataTemplate>
    </ig:TemplateColumn.EditorTemplate>
</ig:TemplateColumn>
...

    ...
private void TextBox_KeyDown(object sender, KeyEventArgs e)
{
    TextBox source = (TextBox)sender;

    if (e.Key == Key.Enter)
    {
        if ((Keyboard.Modifiers & ModifierKeys.Shift) == ModifierKeys.Shift)
        {
            this.XGrid.ExitEditMode(false);
        }
        else
        {
            int start = source.SelectionStart;
            source.Text = source.Text.Insert(source.SelectionStart, Environment.NewLine);
            source.SelectionStart = start + Environment.NewLine.Length;
            e.Handled = true;
        }
    }
}
...

    I hope that this will help you

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