Button

if (pwnd->m_curInfo.isShowFloat)
{
	CheckDlgButton(IDC_CHECK_FLOATWINDOW, BST_CHECKED);
}
else
{
	CheckDlgButton(IDC_CHECK_FLOATWINDOW, BST_UNCHECKED);
}

if (IsDlgButtonChecked(IDC_CHECK_FLOATWINDOW))
{
	
}

CButton		m_wndBtn;
m_wndBtn.Create(TEXT("Save"),BS_DEFPUSHBUTTON,CRect(0,0,60,22),this,IDC_BTN_WEB_SAVE);

==================================================================
Radio button

保证资源号连续，并且第一个Radio Button的属性中Group被选中即可。


Win32
UINT iRet = IsDlgButtonChecked(IDC_RADIO_ACCEPT);


#define BST_CHECKED        0x0001
#define BST_INDETERMINATE  0x0002
#define BST_PUSHED         0x0004
#define BST_FOCUS          0x0008


Win32
BM_SETCHECK
wParam BST_CHECKED,BST_INDETERMINATE,BST_UNCHECKED
lParam NULL

BOOL (
  __in  HWND hDlg,
  __in  int nIDFirstButton,
  __in  int nIDLastButton,
  __in  int nIDCheckButton
);
If the function succeeds, the return value is nonzero. Otherwise is zero.


MFC
int GetCheckedRadioButton(
   int nIDFirstButton,
   int nIDLastButton 
);
ID of the checked radio button, or 0 if none is selected.


void (
   int nIDFirstButton,
   int nIDLastButton,
   int nIDCheckButton 
);

// Of the 4 radio buttons, selects radio button 3.
void CMyDlg::OnMarkRadio() 
{
   CheckRadioButton(IDC_RADIO1, IDC_RADIO4, IDC_RADIO3);   
}