# Trait gdk::prelude::DisplayManagerExt [−] [src]

    pub trait DisplayManagerExt {
        fn get_default_display(&self) -> Option<Display>;
        fn list_displays(&self) -> Vec<Display>;
        fn open_display(&self, name: &str) -> Option<Display>;
        fn set_default_display(&self, display: &Display);
        fn get_property_default_display(&self) -> Option<Display>;
        fn set_property_default_display(&self, default_display: Option<&Display>);
        fn connect_display_opened<F: Fn(&Self, &Display) + 'static>(
            &self,
            f: F
        ) -> u64;
    }

## Required Methods

### `fn get_default_display(&self) -> Option<Display>`

### `fn list_displays(&self) -> Vec<Display>`

### `fn open_display(&self, name: &str) -> Option<Display>`

### `fn set_default_display(&self, display: &Display)`

### `fn get_property_default_display(&self) -> Option<Display>`

### `fn set_property_default_display(&self, default_display: Option<&Display>)`

### `fn connect_display_opened<F: Fn(&Self, &Display) + 'static>(&self, f: F) -> u64`

## Implementors

- `impl<O: IsA<DisplayManager> + IsA<Object>> DisplayManagerExt for O`

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