本文整理汇总了C#中System.Windows.Media.Visual.VerifyAccess方法的典型用法代码示例。如果您正苦于以下问题：C# Visual.VerifyAccess方法的具体用法？C# Visual.VerifyAccess怎么用？C# Visual.VerifyAccess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System.Windows.Media.Visual的用法示例。
在下文中一共展示了Visual.VerifyAccess方法的1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: ConnectChild
/// <summary>
/// Sets the specified visual at the specified index into the child
/// collection. It also corrects the parent.
/// Note that the function requires that _item[index] == null and it
/// also requires that the passed in child is not connected to another Visual.
/// </summary>
/// <exception cref="ArgumentException">If the new child has already a parent or if the slot a the specified index is not null.</exception>
private void ConnectChild(int index, Visual value)
{
//
// -- Approved By The Core Team --
//
// Do not allow foreign threads to change the tree.
// (This is a noop if this object is not assigned to a Dispatcher.)
//
// We also need to ensure that the tree is homogenous with respect
// to the dispatchers that the elements belong to.
//
_owner.VerifyAccess();
value.VerifyAccess();
// It is invalid to modify the children collection that we
// might be iterating during a property invalidation tree walk.
if (_owner.IsVisualChildrenIterationInProgress)
{
throw new InvalidOperationException(SR.Get(SRID.CannotModifyVisualChildrenDuringTreeWalk));
}
Debug.Assert(value != null);
Debug.Assert(_items[index] == null);
Debug.Assert(value._parent == null);
Debug.Assert(!value.IsRootElement);
value._parentIndex = index;
_items[index] = value;
IncrementVersion();
// Notify the Visual tree about the children changes.
_owner.InternalAddVisualChild(value);
}