The component is hidden, and a placeholder is used for it in the layout.
Visible
The component is shown.
None
The component is hidden. It is not involved in the layout, and no placeholder is used for it.
## Example
```
@Entry
@Component
struct VisibilityExample {
build() {
Column() {
Column() {
Text('Visible').fontSize(9).width('90%').fontColor(0xCCCCCC)
Row().visibility(Visibility.Visible).width('90%').height(80).backgroundColor(0xAFEEEE)
Text('None').fontSize(9).width('90%').fontColor(0xCCCCCC)
// The component is hidden and no placeholder is used.
Row().visibility(Visibility.None).width('90%').height(80).backgroundColor(0xAFEEEE)
Text('Hidden').fontSize(9).width('90%').fontColor(0xCCCCCC)
// The component is hidden and a placeholder is used.
Row().visibility(Visibility.Hidden).width('90%').height(80).backgroundColor(0xAFEEEE)
}.width('90%').border({ width: 1 })
}.width('100%').margin({ top: 5 })
}
}
```
