IsDlgButtonChecked  1TNS_NP 

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 of dialog box

    int nIDButton

// button identifier

   );

 

 

Parameters

hDlg

Identifies 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_GETCHECK41QJ9F8 message to the specified button control.

See Also

CheckDlgButton