Function dialog_message_set_header 

pub unsafe extern "C" fn dialog_message_set_header(
    message: *mut DialogMessage,
    text: *const c_char,
    x: u8,
    y: u8,
    horizontal: Align,
    vertical: Align,
)

Set message header

Arguments

• message - message pointer
• text - text, can be NULL if you don’t want to display the header
• x - x position
• y - y position
• horizontal - horizontal alignment
• vertical - vertical alignment