audio_form object

This method will set the checked or unchecked state of a checkbox.

bool set_checkbox_mark(int control_id, bool checked)

Parameters:
control_id
The ID of the control you wish to change.
checked
A boolean value indicating whether the control should be checked. A value of true means the checkbox will be checked, while a value of false means the checkbox will not be checked.

Return value:
true on success, false on failure.

Remarks:
None.

Example:
// Make a simple form with a checkbox that changes state after its creation.

#include "form.bgt"

audio_form form;

void main()
{
form.create_window("Example Form", true);
int checkbox=form.create_checkbox("&Change me", true);
form.set_checkbox_mark(checkbox, false);
int ok=form.create_button("OK");
while(true)
{
form.monitor();
wait(5);
if(form.is_pressed(ok))
{
exit();
}
if((key_down(KEY_LMENU))&&(key_pressed(KEY_F4)))
{
exit();
}
}
}