/// <summary>Scroll the sheet to the right one column.</summary>
public void ScrollRight()
{
// Get the right most fully visible column.
var rightColumnIndex = FullyVisibleColumnIndexes.Last();
// Calculate the new right most column index.
var newRightColumnIndex = Math.Min(rightColumnIndex + 1, DataProvider.ColumnCount - 1);
NumberHiddenColumns = CalculateNumberOfHiddenColumnsToMakeColumnVisible(newRightColumnIndex);
}
/// <summary>Calculate the number of hidden columns to make a column visible.</summary>
/// <param name="columnIndex"></param>
private int CalculateNumberOfHiddenColumnsToMakeColumnVisible(int columnIndex)
{
int savedNumberHiddenColumns = NumberHiddenColumns;
// Keep incrementing the number of hidden columns until the column
// is fully visible.
NumberHiddenColumns = 0;
while (NumberHiddenColumns < DataProvider.ColumnCount - 1 && !FullyVisibleColumnIndexes.Contains(columnIndex))
{
NumberHiddenColumns++;
}
if (NumberHiddenColumns == DataProvider.ColumnCount - 1)
{
NumberHiddenColumns = savedNumberHiddenColumns + 1; // No hidden columns as there isn't room to display any.
NumberFrozenColumns = 0;
}
int returnColumnNumber = NumberHiddenColumns;
NumberHiddenColumns = savedNumberHiddenColumns;
return(returnColumnNumber);
}
