Method SetupRowDefinitions

Xaml/Controls/UniformGrid.cpp:228–260

	}

	void UniformGrid::SetupRowDefinitions(uint32_t rows)
	{
		const auto definitions = RowDefinitions();

		// Mark initial definitions so we don't erase them.
		for (const auto &rd : definitions)
		{
			if (!GetAutoLayout(rd))
			{
				SetAutoLayout(rd, false);
			}
		}

		// Remove non-autolayout rows we've added and then add them in the right spots.
		if (rows != definitions.Size())
		{
			for (int32_t r = definitions.Size() - 1; r >= 0; r--)
			{
				const auto layout = GetAutoLayout(definitions.GetAt(r));
				if (layout && layout.Value())
				{
					definitions.RemoveAt(r);
				}
			}

			for (uint32_t r = definitions.Size(); r < rows; r++)
			{
				wux::Controls::RowDefinition rd;
				SetAutoLayout(rd, true);
				definitions.InsertAt(r, rd);
			}
		}
	}

	void UniformGrid::SetupColumnDefinitions(uint32_t columns)
	{