The document provides instructions for creating a MFC dialog-based application with controls to set pen properties like thickness, color, and text. It describes adding member variables to store the properties, initializing them in constructors, and handling button clicks to open a color dialog and update the properties. The properties are then used to draw a rectangle and text when the mouse is clicked in the view window.

1. Pen

8. Double click the dialog resource to associate it with
a class:

9. Add the folowing member variables:
………………
DECLARE_MESSAGE_MAP()
public:
………………………
COLORREF m_color;
COLORREF m_colorText;
};
Ctrl ID Var name Category Variable type
IDC_EDIT1 m_edit1 Value int
IDC_EDIT2 m_edit2 Value int
IDC_EDIT3 m_edit3 Value CString
public m_color COLORREF
public m_colorText COLORREF

10. • Initialize the var in the constructor of the
CControlDlg class:
CControlDlg::CControlDlg(CWnd* pParent /*=nullptr*/)
: CDialogEx(IDD_DIALOG1, pParent)
, m_edit1(0)
, m_edit2(0)
, m_edit3(_T(""))
{
m_color = RGB(255, 0, 0);
m_colorText = RGB(0, 0, 255);
}

13. void CControlDlg::OnBnClickedButton1()
{
// TODO: Add your control notification handler code here
CColorDialog dlg;
dlg.DoModal();
m_color = dlg.GetColor();
}

16. Add the folowing member variables:
………………
DECLARE_MESSAGE_MAP()
public:
int m_penita;
int m_grosime;
CString m_text;
COLORREF m_culoare;
COLORREF m_culoareText;
};
Var name Var type Class Access type
m_penita int CPenView public
m_grosime int CPenView public
m_text CString CPenView public
m_culoare COLORREF CPenView public
m_culoareText COLORREF CPenView public

17. • Initialize the var in the constructor of the
CPenView class:
CPenView::CPenView() noexcept
{
// TODO: add construction code here
m_penita = 1;
m_grosime = 1;
m_text = "";
m_culoare = RGB(0, 0, 255);
m_culoareText = RGB(255, 0, 0);
}

21. void CPenView::OnLButtonDown(UINT nFlags, CPoint point)
{
// TODO: Add your message handler code here and/or call default
CControlDlg dlg;
int res = dlg.DoModal();
if (res == IDOK) {
m_penita = dlg.m_edit1;
m_grosime = dlg.m_edit2;
m_text = dlg.m_edit3;
m_culoare = dlg.m_color;
m_culoareText = dlg.m_colorText;
}
CView::OnLButtonDown(nFlags, point);
}

22. Add
#include "CControlDlg.h“
to CPenView.cpp

23. Add the code to paint the rectangle also in the
CPenView::OnLButtonDown
void CPenView::OnLButtonDown(UINT nFlags, CPoint point)
{
…………………….
CClientDC dc(this);
CPen pen(m_penita, m_grosime, m_culoare);
dc.SelectObject(&pen);
dc.Rectangle(10, 10, 300, 300);
dc.SetTextColor(m_culoareText);
dc.TextOut(400, 400, m_text);
CView::OnLButtonDown(nFlags, point);
}