保留双显示器的表单位置和大小
我有代码在关闭时保留表单的大小和位置，并在加载时定位表单并调整其大小。
我想考虑到加载时持久位置可能超出屏幕范围。在单个显示器设置中很容易进行测试，但对于多个显示器，我该如何测试。我不知道屏幕是水平设置还是垂直设置等。不知何故，我需要确定所有屏幕的组合区域，并查明表单的持久位置是否在该区域内。
I have code that persists a forms size and location when it closes, and positions and sizes the form when it loads.
I want to take into account that on load it is possible that the persisted location is outside of the bounds of the screen. Easy to test in a single monitor setup but for multiple monitors, how can I test that. I don't know if the screens are set up horizontally or vertically etc. Somehow I need to determine the combined area of all screens and find out if the forms persisted location is within that area.
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用于记住和恢复窗口状态的一对好函数是
GetWindowPlacement< /code>和SetWindowPlacement。GetWindowPlacement不仅检索普通窗口的当前状态和位置，而且对于最大化窗口，还检索其最大化之前的位置。出于您的目的，
SetWindowPlacement非常有用，因为如果要求将窗口恢复到屏幕外，它知道将窗口微移到最近的屏幕上：不幸的是，我不知道这两个函数的现成 .NET 等效项，尽管它们可以通过 P/Invoke 直接调用（参见 http://pinvoke.net）。
A good pair of functions to use for remembering and restoring window state is
GetWindowPlacementandSetWindowPlacement.GetWindowPlacementretrieves not only the current state and position of a normal window, but, for a maximised window, its location before it was maximised.For your purposes,
SetWindowPlacementis useful because knows to nudge a window onto the nearest screen if it's asked to restore it off screen:Unfortunately I don't know of a ready-made .NET equivalent of these two functions, although they're straightforward to call via P/Invoke (cf http://pinvoke.net).
看看C#：如何使表单记住其边界和窗口状态（考虑双显示器设置）
Take a look at C#: How to make a form remember its Bounds and WindowState (Taking dual monitor setups into account)