class TestGrid : public TopWindow {
public:
	TestGrid();
	~TestGrid();
	
	void	DoTestGrid();
private:
	typedef TestGrid CLASSNAME;
	
	void	ReloadGrid();
	
	GridCtrl*	grid;
	Button		testGridButton;
};

TestGrid::TestGrid()
{
	grid = new GridCtrl();
	
	SetRect(0, 0, 800, 600);
	
	Add(testGridButton.SetLabel("test grid").LeftPos(0, 70).TopPos(0, 28));
	Add(grid->HSizePos().VSizePos(30, 0));
	
	ReloadGrid();
	
	testGridButton <<= THISBACK(DoTestGrid);
}

TestGrid::~TestGrid()
{
	delete grid;
}

void TestGrid::DoTestGrid()
{
	//grid->Clear(true);
	
	// we recreate grid from scratch
	GridCtrl*	tmp;
	tmp = new GridCtrl();
	delete grid;
	grid = tmp;
	Add(grid->HSizePos().VSizePos(30, 0));
	
	ReloadGrid();
}

void TestGrid::ReloadGrid()
{
	// columns
	grid->AddIndex(Id("ID"));
	grid->AddColumn(Id("col1"), "column 1", 10);
	grid->AddColumn(Id("col2"), "column 2", 25);
	grid->AddColumn(Id("col3"), "column 3", 20);
	grid->AddColumn(Id("col4"), "column 4", 15);
	grid->AddColumn(Id("col5"), "column 5", 10);
	grid->AddColumn(Id("col6"), "column 6", 50);
	grid->AddColumn(Id("col7"), "column 7", 20);
	
	// rows
	for (int i = 0; i < 50; i++)
		grid->Add(i, "v1", "v2", "v3", "v4", "v5", "v6", "v7");
}

int main()
{
	TestGrid dlg;
	dlg.RunAppModal();
}