C / C++ / MFC

<br />
class CMyDialog: public CColorDialog<br />
{<br />
public: <br />
	DECLARE_DYNCREATE(CMyDialog)<br />
	CMyDialog();<br />
	~CMyDialog();<br />
	DECLARE_MESSAGE_MAP()<br />
<br />
	afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);<br />
};<br />
<br />
<br />
<br />
<br />
IMPLEMENT_DYNCREATE(CMyDialog, CColorDialog)<br />
<br />
BEGIN_MESSAGE_MAP(CMyDialog, CColorDialog)<br />
	ON_WM_CTLCOLOR()<br />
END_MESSAGE_MAP()<br />
<br />
CMyDialog::CMyDialog()<br />
{<br />
<br />
}<br />
<br />
CMyDialog::~CMyDialog()<br />
{<br />
}<br />
<br />
<br />
HBRUSH CMyDialog::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)<br />
{<br />
	HBRUSH hbr = CColorDialog::OnCtlColor(pDC, pWnd, nCtlColor);<br />
LOGBRUSH logBrush;<br />
logBrush.lbStyle = BS_HATCHED;<br />
logBrush.lbColor = RGB(100, 192, 192);<br />
logBrush.lbHatch = HS_CROSS;<br />
if(pWnd==this)<br />
SetWindowText("Test");<br />
return CreateBrushIndirect(&logBrush);<br />
}<br />

George_George wrote:

Seems that you like using system internal functions other than implement them by yourself

George_George wrote:

Any ideas or reference materials?

struct MyObject
{
	MyObject(int x, int y)
	{
		mX = x; mY = y;
	}

	// binary predicate for the case of storing values
	static bool ComparatorByX_values(const MyObject & obj1, const MyObject & obj2)
	{
		return obj1.mX < obj2.mY;
	}

	// binary predicate for the case of storing pointers
	static bool ComparatorByX_pointers(const MyObject * obj1, const MyObject * obj2)
	{
		return obj1->mX < obj2->mY;
	}

	int mX, mY;
};


int main()
{
	{
		// case 1: storing values.

		std::vector< MyObject > vector;

		vector.push_back(MyObject(3, 20));
		vector.push_back(MyObject(2, 10));
		vector.push_back(MyObject(1, 30));

		// sort by X
		std::sort(vector.begin(), vector.end(), MyObject::ComparatorByX_values);

		// print X
		for(size_t i = 0; i < vector.size(); ++i)
		{
			printf("%i\n", vector[i].mX);
		}
	}

	{
		// case 2: storing pointers.

		std::vector< MyObject * > vector;

		vector.push_back(new MyObject(3, 20));
		vector.push_back(new MyObject(2, 10));
		vector.push_back(new MyObject(1, 30));

		// sort by X
		std::sort(vector.begin(), vector.end(), MyObject::ComparatorByX_pointers);

		for(size_t i = 0; i < vector.size(); ++i)
		{
			printf("%i\n", vector[i]->mX);
		}

		// (TODO: delete the objects using "delete" in a loop)

	}
}