WIN32 SDK 如何获取radiobutton选中的是哪个

[zengzhuan7760]

WIN32 WIN32 不是MFC

[赵4老师]

BM_GETCHECK An application sends a BM_GETCHECK message to retrieve the check state of a radio button or check box. BM_GETCHECK wParam = 0; // not used; must be zero lParam = 0; // not used; must be zero Parameters This message has no parameters. Return Values The return value from a button created with the BS_AUTOCHECKBOX, BS_AUTORADIOBUTTON, BS_AUTO3STATE, BS_CHECKBOX, BS_RADIOBUTTON, or BS_3STATE style can be one of the following: Value Meaning BST_CHECKED Button is checked. BST_INDETERMINATE Button is grayed, indicating an indeterminate state (applies only if the button has the BS_3STATE or BS_AUTO3STATE style). BST_UNCHECKED Button is unchecked If the button has any other style, the return value is zero. QuickInfo Windows NT: Requires version 3.1 or later. Windows: Requires Windows 95 or later. Windows CE: Requires version 1.0 or later. Header: Declared in winuser.h. See Also Buttons Overview, Button Messages, BM_GETSTATE, BM_SETCHECK

[AsdsNT]

UINT IsDlgButtonChecked( HWND hDlg, // handle to dialog box int nIDButton // button identifier );

[kakabulusi]

创建一个radio分组，将radio放到一个分组里面，指定各自的值。 后台原理就是这样的，

[赵4老师]

IsDlgButtonChecked The IsDlgButtonChecked function determines whether a button control has a check mark next to it or whether a three-state button control is grayed, checked, or neither. UINT IsDlgButtonChecked( HWND hDlg, // handle to dialog box int nIDButton // button identifier ); Parameters hDlg Handle to the dialog box that contains the button control. nIDButton Specifies the integer identifier of the button control. Return Values The return value from a button created with the BS_AUTOCHECKBOX, BS_AUTORADIOBUTTON, BS_AUTO3STATE, BS_CHECKBOX, BS_RADIOBUTTON, or BS_3STATE style can be one of the following: Value Meaning BST_CHECKED Button is checked. BST_INDETERMINATE Button is grayed, indicating an indeterminate state (applies only if the button has the BS_3STATE or BS_AUTO3STATE style). BST_UNCHECKED Button is unchecked If the button has any other style, the return value is zero. Remarks The IsDlgButtonChecked function sends a BM_GETCHECK message to the specified button control. QuickInfo Windows NT: Requires version 3.1 or later. Windows: Requires Windows 95 or later. Windows CE: Unsupported. Header: Declared in winuser.h. Import Library: Use user32.lib. See Also Buttons Overview, Button Functions, CheckDlgButton