Constant WINDOWS_ERASE_BACKGROUND_MODE

pub const WINDOWS_ERASE_BACKGROUND_MODE: &'static str;
Available on crate feature dep_sdl3 only.
Expand description

A variable controlling whether SDL will clear the window contents when the WM_ERASEBKGND message is received.

The variable can be set to the following values:

  • “0”/“never”: Never clear the window.
  • “1”/“initial”: Clear the window when the first WM_ERASEBKGND event fires. (default)
  • “2”/“always”: Clear the window on every WM_ERASEBKGND event.

This hint should be set before creating a window.

§Availability

This hint is available since SDL 3.2.0.