内容

• 公共变量
• 详细描述

ItemChangeData Union

union QQuickItem ::ItemChangeData

Adds supplementary information to the QQuickItem::itemChange () 函数。 更多...

• 所有成员列表，包括继承成员

公共变量

bool	boolValue
QQuickItem *	item
qreal	realValue
QQuickWindow *	window

详细描述

The meaning of each member of this class is defined by the change type.

另请参阅 QQuickItem::ItemChange .

成员变量文档编制

bool ItemChangeData:: boolValue

The boolean value that has changed: visible , enabled , activeFocus ，或 antialiasing .

另请参阅 QQuickItem::ItemChange .

QQuickItem *ItemChangeData:: item

The item that has been added or removed as a child , or the new parent .

另请参阅 QQuickItem::ItemChange .

qreal ItemChangeData:: realValue

The numeric value that has changed: opacity , rotation ，或 设备像素比率 .

另请参阅 QQuickItem::ItemChange .

QQuickWindow *ItemChangeData:: window

window in which the item has been shown, or nullptr if the item has been removed from a window.

另请参阅 QQuickItem::ItemChange .