|
| 1 | +# Class: AbsoluteScrollStrategy |
| 2 | + |
| 3 | +Defined in: [angular/igniteui-angular/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts:8](https://github.com/IgniteUI/igniteui-angular/blob/28ea802da6e8bd841b82e336a16781159d69e779/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts#L8) |
| 4 | + |
| 5 | +On scroll reposition the overlay content. |
| 6 | + |
| 7 | +## Extends |
| 8 | + |
| 9 | +- [`ScrollStrategy`](ScrollStrategy.md) |
| 10 | + |
| 11 | +## Constructors |
| 12 | + |
| 13 | +### Constructor |
| 14 | + |
| 15 | +> **new AbsoluteScrollStrategy**(`scrollContainer?`): `AbsoluteScrollStrategy` |
| 16 | +
|
| 17 | +Defined in: [angular/igniteui-angular/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts:16](https://github.com/IgniteUI/igniteui-angular/blob/28ea802da6e8bd841b82e336a16781159d69e779/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts#L16) |
| 18 | + |
| 19 | +#### Parameters |
| 20 | + |
| 21 | +##### scrollContainer? |
| 22 | + |
| 23 | +`HTMLElement` |
| 24 | + |
| 25 | +#### Returns |
| 26 | + |
| 27 | +`AbsoluteScrollStrategy` |
| 28 | + |
| 29 | +#### Overrides |
| 30 | + |
| 31 | +[`ScrollStrategy`](ScrollStrategy.md).[`constructor`](ScrollStrategy.md#constructor) |
| 32 | + |
| 33 | +## Methods |
| 34 | + |
| 35 | +### attach() |
| 36 | + |
| 37 | +> **attach**(): `void` |
| 38 | +
|
| 39 | +Defined in: [angular/igniteui-angular/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts:48](https://github.com/IgniteUI/igniteui-angular/blob/28ea802da6e8bd841b82e336a16781159d69e779/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts#L48) |
| 40 | + |
| 41 | +Attaches the strategy |
| 42 | +```typescript |
| 43 | +settings.scrollStrategy.attach(); |
| 44 | +``` |
| 45 | + |
| 46 | +#### Returns |
| 47 | + |
| 48 | +`void` |
| 49 | + |
| 50 | +#### Overrides |
| 51 | + |
| 52 | +[`ScrollStrategy`](ScrollStrategy.md).[`attach`](ScrollStrategy.md#attach) |
| 53 | + |
| 54 | +*** |
| 55 | + |
| 56 | +### detach() |
| 57 | + |
| 58 | +> **detach**(): `void` |
| 59 | +
|
| 60 | +Defined in: [angular/igniteui-angular/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts:64](https://github.com/IgniteUI/igniteui-angular/blob/28ea802da6e8bd841b82e336a16781159d69e779/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts#L64) |
| 61 | + |
| 62 | +Detaches the strategy |
| 63 | +```typescript |
| 64 | +settings.scrollStrategy.detach(); |
| 65 | +``` |
| 66 | + |
| 67 | +#### Returns |
| 68 | + |
| 69 | +`void` |
| 70 | + |
| 71 | +#### Overrides |
| 72 | + |
| 73 | +[`ScrollStrategy`](ScrollStrategy.md).[`detach`](ScrollStrategy.md#detach) |
| 74 | + |
| 75 | +*** |
| 76 | + |
| 77 | +### initialize() |
| 78 | + |
| 79 | +> **initialize**(`document`, `overlayService`, `id`): `void` |
| 80 | +
|
| 81 | +Defined in: [angular/igniteui-angular/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts:31](https://github.com/IgniteUI/igniteui-angular/blob/28ea802da6e8bd841b82e336a16781159d69e779/projects/igniteui-angular/core/src/services/overlay/scroll/absolute-scroll-strategy.ts#L31) |
| 82 | + |
| 83 | +Initializes the strategy. Should be called once |
| 84 | + |
| 85 | +#### Parameters |
| 86 | + |
| 87 | +##### document |
| 88 | + |
| 89 | +`Document` |
| 90 | + |
| 91 | +reference to Document object. |
| 92 | + |
| 93 | +##### overlayService |
| 94 | + |
| 95 | +[`IgxOverlayService`](IgxOverlayService.md) |
| 96 | + |
| 97 | +IgxOverlay service to use in this strategy. |
| 98 | + |
| 99 | +##### id |
| 100 | + |
| 101 | +`string` |
| 102 | + |
| 103 | +Unique id for this strategy. |
| 104 | +```typescript |
| 105 | +settings.scrollStrategy.initialize(document, overlay, id); |
| 106 | +``` |
| 107 | + |
| 108 | +#### Returns |
| 109 | + |
| 110 | +`void` |
| 111 | + |
| 112 | +#### Overrides |
| 113 | + |
| 114 | +[`ScrollStrategy`](ScrollStrategy.md).[`initialize`](ScrollStrategy.md#initialize) |
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