Working with GUI APIs - Essentials of Interactive Computer Graphics - page 64

class CCircleRadiusControls : public CDialog {
A1: virtual BOOL OnInitDialog();
B1: CSliderCtrlWithEcho m _ CircleRadiusBar; // control variable for the slider bar
BOOL m _ bSliderControl; // control variable for the check box
C1: afx _ msg void OnBnClickedControlRadiusCheck(); // service routine for the check box
.

};

. // for the ease of reading, some code is removed (e.g. constructor, etc.)
void CCircleRadiusControls::DoDataExchange(CDataExchange * pDX) {
B2: DDX _ Control(pDX, IDC _ RADIUS _ SLIDER _ BAR, m _ CircleRadiusBar);
DDX _ Check(pDX, IDC _ CONTROL _ RADIUS _ CHECK, m _ bSliderControl);
.
BEGIN _ MESSAGE _ MAP(CCircleRadiusControls, CDialog)
C2: ON _ BN _ CLICKED(IDC _ CONTROL _ RADIUS _ CHECK, OnBnClickedControlRadiusCheck)
.

A2: BOOL CCircleRadiusControls::OnInitDialog() {

Source file.
CircleRadiusControls.h/
.cpp file in the Controls folder
of the MFC _ GroupControls
project.

B3: m _ CircleRadiusBar.Initialize(0.0f, 100.0f, 10.0f);
.
C3: void CCircleRadiusControls::OnBnClickedControlRadiusCheck()
.

Listing 2.11. The CCircleRadiusControls class (Tutorial 2.8).

class CTutorialDlg : public CDialog { Source file.

TutorialDlg.h file in the
Header file folder of the
MFC _ GroupControls project.

.
CCircleRadiusControls m _ circle _ controls;
.

};

Listing 2.12. CTutorialDlg class (Tutorial 2.8).