表单上 SetParent() 的托管方法

发布于 2024-10-17 15:10:12 字数 559 浏览 3 评论 0原文

如何将窗体显示为不在我的程序中的窗口的子窗口？

我有一个应该是父级的窗口句柄，但我在表单上没有看到任何 SetParent() 的托管方法。有吗？似乎 form.Show() 方法只接受实现 IWin32Window 的托管对象。

如果没有托管方法，那么声明 API 以最大程度地兼容未来系统的首选方法是什么？像这样？：

<DllImport("user32.dll")> _
Private Shared Function SetParent(hWndChild As IntPtr, hWndNewParent As IntPtr) As IntPtr
End Function

是否可以构建一个实现 IWin32Window 并以某种方式包装窗口的类？这样做会很方便，但我不熟悉 IWin32Window：

frmMyForm.Show(New NativeWindowWrapper(12345)) 'Where 12345 is the hWnd of the window I want to wrap

原文

How can I show a form as a child of a window that isn't in my program?

I have a window handle to what should be the parent, but I don't see any managed method for SetParent() on a form. Is there one? It also seems that the form.Show() method only accepts managed objects implementing IWin32Window.

If there isn't a managed method, what is the preferred method for declaring the API for maximum compatibility with future systems? Like this?:

<DllImport("user32.dll")> _
Private Shared Function SetParent(hWndChild As IntPtr, hWndNewParent As IntPtr) As IntPtr
End Function

Is it possible to build a class that implements IWin32Window and somehow wraps up a window? It would be handy do something like this, but I am not familiar with IWin32Window:

frmMyForm.Show(New NativeWindowWrapper(12345)) 'Where 12345 is the hWnd of the window I want to wrap

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无法言说的痛 2024-10-24 15:10:12

哇哦，我刚刚找到了 IWin32Window 的文档，发现它只有一个属性...Handle。是的，那么我当然可以轻松地制作这个 NativeWindowWrapper 类...

我还没有测试它，但我确信它会工作得很好...

Public Class NativeWindowWrapper
    Implements IWin32Window

    Private _Handle As IntPtr

    Public ReadOnly Property Handle As System.IntPtr Implements System.Windows.Forms.IWin32Window.Handle
        Get
            Return _Handle
        End Get
    End Property

    Public Sub New(ByVal Handle As IntPtr)
        Me._Handle = Handle
    End Sub
End Class

Oh wow, I just found the documentation on IWin32Window, and see that it is only one property... Handle. Yes, then of course I can easily make this NativeWindowWrapper class...

I haven't tested it yet, but I am sure it will work just fine...

Public Class NativeWindowWrapper
    Implements IWin32Window

    Private _Handle As IntPtr

    Public ReadOnly Property Handle As System.IntPtr Implements System.Windows.Forms.IWin32Window.Handle
        Get
            Return _Handle
        End Get
    End Property

    Public Sub New(ByVal Handle As IntPtr)
        Me._Handle = Handle
    End Sub
End Class

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