protected override void Undo(
BlockCommandContext context,
Block block)
{
// Revert the block type.
block.SetBlockType(previousBlockType);
}
protected override void Do(
BlockCommandContext context,
Block block)
{
// We need to keep track of the previous block type so we can change
// it back with Undo.
previousBlockType = block.BlockType;
// Set the block type.
block.SetBlockType(BlockType);
// Save the position from this command.
if (UpdateTextPosition.HasFlag(DoTypes.Do))
{
context.Position = new BlockPosition(BlockKey, 0);
}
}