win32_step_9 - 8BitsCoding/RobotMentor GitHub Wiki

• 소스코드
• 유투부
• selectobject 에 대해서
• CreatePen에 대해서

---

---

클릭 시 파란네모 출력

LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	if (uMsg == WM_DESTROY) PostQuitMessage(0);
	else if (uMsg == WM_LBUTTONDOWN) {
		HDC h_dc = GetDC(hWnd);
		HBRUSH h_brush = CreateSolidBrush(RGB(0, 0, 255));
		HGDIOBJ h_old_brush = SelectObject(h_dc, h_brush);

		Rectangle(h_dc, 50, 50, 100, 100);

		SelectObject(h_dc, h_old_brush);
		ReleaseDC(hWnd, h_dc);
		DeleteObject(h_brush);
	}

	return DefWindowProc(hWnd, uMsg, wParam, lParam);
}

---

LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
	if (uMsg == WM_DESTROY) PostQuitMessage(0);
	else if (uMsg == WM_LBUTTONDOWN) {
		HDC h_dc = GetDC(hWnd);
		HPEN h_pen;

		const char * p_style_string[6] = { "PS_SOLID", "PS_DASH", "PS_DOT", "PS_DASHDOT", "PS_DASHDOTDOT", "PS_NULL" };
		int pen_style[6] = { PS_SOLID, PS_DASH, PS_DOT, PS_DASHDOT, PS_DASHDOTDOT, PS_NULL };
		SetBkMode(h_dc, TRANSPARENT);

		HGDIOBJ h_old_pen = GetCurrentObject(h_dc, OBJ_PEN);

		for (int i = 0; i < 6; i++) {
			TextOutA(h_dc, 10, 10 + i * 20, p_style_string[i], strlen(p_style_string[i]));
			h_pen = CreatePen(pen_style[i], 1, RGB(0, 0, 255));
			SelectObject(h_dc, h_pen);

			MoveToEx(h_dc, 200, 15 + i * 20, NULL);
			LineTo(h_dc, 400, 15 + i * 20);

			DeleteObject(h_pen);
		}

		SelectObject(h_dc, h_old_pen);
		ReleaseDC(hWnd, h_dc);
	}

	return DefWindowProc(hWnd, uMsg, wParam, lParam);
}