本文整理汇总了C#中ObservableList.RemoveAll方法的典型用法代码示例。如果您正苦于以下问题：C# ObservableList.RemoveAll方法的具体用法？C# ObservableList.RemoveAll怎么用？C# ObservableList.RemoveAll使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ObservableList的用法示例。
在下文中一共展示了ObservableList.RemoveAll方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: RemoveAll_RemoveItemsAboveThreshold_FiresCollectionChanges
public void RemoveAll_RemoveItemsAboveThreshold_FiresCollectionChanges()
{
var list = new ObservableList<int> { 1, 2, 3, 4, 4, 3, 2, 1 };
list.CollectionChanged += (sender, args) => Assert.AreEqual(NotifyCollectionChangedAction.Reset, args.Action);
list.RemoveAll(item => item == 1 || item == 3);
}示例2: RemoveAll_RemoveOneItem_RemovesCorrectItem
public void RemoveAll_RemoveOneItem_RemovesCorrectItem()
{
var list = new ObservableList<int> { 1, 2, 3 };
int removedCount = list.RemoveAll(item => item == 2);
Assert.AreEqual(1, removedCount);
Assert.IsTrue(new[] { 1, 3 }.SequenceEqual(list));
}示例3: RemoveAll_RemovesItems_FiresCollectionChanges
public void RemoveAll_RemovesItems_FiresCollectionChanges()
{
var list = new ObservableList<int> { 1, 2, 3, 4, 4, 3, 2, 1 };
int eventFireCount = 0;
list.CollectionChanged += (sender, args) =>
{
eventFireCount++;
Assert.AreEqual(NotifyCollectionChangedAction.Remove, args.Action);
switch (eventFireCount)
{
case 1:
Assert.AreEqual(0, args.OldStartingIndex);
Assert.IsTrue(new[] { 1 }.SequenceEqual(args.OldItems.Cast<int>()));
break;
case 2:
Assert.AreEqual(6, args.OldStartingIndex);
Assert.IsTrue(new[] { 1 }.SequenceEqual(args.OldItems.Cast<int>()));
break;
}
};
list.RemoveAll(item => item == 1);
}示例4: RemoveAll_RemoveMultipleItems_RemovesCorrectItems
public void RemoveAll_RemoveMultipleItems_RemovesCorrectItems()
{
var list = new ObservableList<int> { 1, 2, 3, 4, 4, 3, 2, 1 };
int removedCount = list.RemoveAll(item => item == 1 || item == 3);
Assert.AreEqual(4, removedCount);
Assert.IsTrue(new[] { 2, 4, 4, 2 }.SequenceEqual(list));
}