How To delate the entire titlebar about microsoft-ui-xaml HOT 5 CLOSED

With 1.4, I use OverlappedPresenter.SetBorderAndTitleBar(false, false)
and OverlappedPresenter.IsResizable = false (removes WS_THICKFRAME)

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With 1.4, I use OverlappedPresenter.SetBorderAndTitleBar(false, false)在 1.4 中，我使用 OverlappedPresenter.SetBorderAndTitleBar（false， false） and OverlappedPresenter.IsResizable = false (removes WS_THICKFRAME)和 OverlappedPresenter.IsResizable = false（删除WS_THICKFRAME）

It works on 1.5.4 too, but how can I resize the window?Must I create a small triangle in the corner by myself?

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It works on 1.5.4 too, but how can I resize the window?Must I create a small triangle in the corner by myself?

A way is to let it resizable and subclass it (SetWindowSubclass) to handle WM_NCCALCSIZE (mainly to increment the first RECT.top to reduce the size of top border)
I tested on Windows 10 and I had to increment left and decrement right and bottom too (quick test with random values, should be calculated with APIs like AdjustWindowRect...) and set lParam to -1 in WM_NCACTIVATE, as MSDN says... and also SetWindowPos in Activated event for the first time the window is displayed) :

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It works on 1.5.4 too, but how can I resize the window?Must I create a small triangle in the corner by myself?它也适用于 1.5.4，但是如何调整窗口大小？我必须自己在角落里创建一个小三角形吗？

A way is to let it resizable and subclass it (SetWindowSubclass) to handle WM_NCCALCSIZE (mainly to increment the first RECT.top to reduce the size of top border)一种方法是让它可调整大小并对其进行子类化 （SetWindowSubclass） 以处理WM_NCCALCSIZE（主要是增加第一个 RECT.top 以减小顶部边框的大小） I tested on Windows 10 and I had to increment left and decrement right and bottom too (quick test with random values, should be calculated with APIs like AdjustWindowRect...) and set lParam to -1 in WM_NCACTIVATE, as MSDN says... and also SetWindowPos in Activated event for the first time the window is displayed) :我在 Windows 10 上进行了测试，我也必须向左递增，向右递减右键和下键（使用随机值进行快速测试，应该使用 AdjustWindowRect 等 API 进行计算...）并在 WM_NCACTIVATE 年将 lParam 设置为 -1，正如 MSDN 所说......以及首次显示窗口时激活事件中的 SetWindowPos）：

Hey bro. I just found a perfect way.It looks like the following:

This code would totally hide the title bar and the three caption buttons, but preserve a 32 or maybe 48 px rectangle overlay that is draggable and transparent.And you can use SetTitleBar(rootGrid); and set it to be interactive, then you can pretend the rootGrid is the content of a no-titlebar-window.
MS Learn Document

Here is the code.
public DockWindow() { this.InitializeComponent(); ExtendsContentIntoTitleBar = true; SetTitleBar(Part_TitleBar); var TestTitleBar = AppWindow.TitleBar; **TestTitleBar.PreferredHeightOption = TitleBarHeightOption.Collapsed;** }

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It sounds like this has been solved.

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