SfDataGrid - UWP - Cell & Row DoubleClick/DoubleTap EventHandler Example

SfDataGridDoubleTap.cs

// Initialize your DataGrid and set the EventHandlers
// The focus here is OpenFileOnDoubleTap
private void InitializeMainDataGrid()
{
    MainDataGrid.ItemsSource = ViewModel.MainSearchResults;
    MainDataGrid.Columns["FileExt"].AllowGrouping = true;
    MainDataGrid.Columns["FilePath"].AllowGrouping = true;
    MainDataGrid.Columns["FileName"].AllowGrouping = true;

    MainDataGrid.QueryRowHeight += Evt_DataGridQueryRowHeight;
    MainDataGrid.CellDoubleTapped += Evt_OpenFileOnDoubleTap;
}

// Actual EventHandler
private async void Evt_OpenFileOnDoubleTap(object sender, CellDoubleTappedEventArgs e)
{
    var rowColumnIndex = e.RowColumnIndex;

    // Validation Check
    if (!rowColumnIndex.IsEmpty)
    {
        var colIndex = MainDataGrid.ResolveToGridVisibleColumnIndex(rowColumnIndex.ColumnIndex);

        // Validation Check
        if (colIndex > -1 && colIndex < MainDataGrid.Columns.Count)
        {
            var recordIndex = MainDataGrid.ResolveToRecordIndex(rowColumnIndex.RowIndex);

            // Validation Check
            if (recordIndex > -1)
            {
                var recordEntry = MainDataGrid.View.GroupDescriptions.Count == 0 ?
                                    MainDataGrid.View.Records[recordIndex]
                                : MainDataGrid.View.TopLevelGroup.DisplayElements[recordIndex];

                // Validation Check
                if (recordEntry.IsRecords)
                {
                    var record = ((recordEntry as RecordEntry).Data as MainSearchResult);

                    var filePath = record.FilePath;
                    var fileName = record.FileName + "." + record.FileExt;

                    if (filePath != string.Empty && fileName != string.Empty)
                    {
                        await Tools.OpenFileAsync(filePath, fileName);
                    }
                }
            }
        }
    }
}