我正在WPF中开发一个托管Unity应用程序的应用程序。 此主机是使用 HwndHost 类设置的(因为带有 _hwndparent 参数的统一方式似乎不起作用)。
在我的HwndHost类的BuilWindowCore中，我需要使用GetWindowLong和SetWindowLong更改窗口子样式。
所有这些都在我的开发计算机上完美运行。但是我不能在另一台计算机上使用该应用程序。
当我刚刚设置WS_CCHILD值(不使用 GetWindowLong 检索样式)时，它们不会在所有计算机上崩溃，但子应用程序未正确显示(最大化等)。这就是为什么我认为问题在于样式子窗口部分。
有我的HwndHost类代码：
public class UnityHwndHost : HwndHost
{
private Process _process;
private HandleRef _hwnd;
private IntPtr _unityHWND; // = IntPtr.Zero;
private const int GWL_STYLE = -16;
// Window Styles
const UInt32 WS_OVERLAPPED = 0;
const UInt32 WS_POPUP = 0x80000000;
const UInt32 WS_CHILD = 0x40000000;
const UInt32 WS_MINIMIZE = 0x20000000;
const UInt32 WS_VISIBLE = 0x10000000;
const UInt32 WS_DISABLED = 0x8000000;
const UInt32 WS_CLIPSIBLINGS = 0x4000000;
const UInt32 WS_CLIPCHILDREN = 0x2000000;
const UInt32 WS_MAXIMIZE = 0x1000000;
const UInt32 WS_CAPTION = 0xC00000; // WS_BORDER or WS_DLGFRAME
const UInt32 WS_BORDER = 0x800000;
const UInt32 WS_DLGFRAME = 0x400000;
const UInt32 WS_VSCROLL = 0x200000;
const UInt32 WS_HSCROLL = 0x100000;
const UInt32 WS_SYSMENU = 0x80000;
const UInt32 WS_THICKFRAME = 0x40000;
const UInt32 WS_GROUP = 0x20000;
const UInt32 WS_TABSTOP = 0x10000;
const UInt32 WS_MINIMIZEBOX = 0x20000;
const UInt32 WS_MAXIMIZEBOX = 0x10000;
const UInt32 WS_TILED = WS_OVERLAPPED;
const UInt32 WS_ICONIC = WS_MINIMIZE;
const UInt32 WS_SIZEBOX = WS_THICKFRAME;
// Extended Window Styles
const UInt32 WS_EX_DLGMODALFRAME = 0x0001;
const UInt32 WS_EX_NOPARENTNOTIFY = 0x0004;
const UInt32 WS_EX_TOPMOST = 0x0008;
const UInt32 WS_EX_ACCEPTFILES = 0x0010;
const UInt32 WS_EX_TRANSPARENT = 0x0020;
const UInt32 WS_EX_MDICHILD = 0x0040;
const UInt32 WS_EX_TOOLWINDOW = 0x0080;
const UInt32 WS_EX_WINDOWEDGE = 0x0100;
const UInt32 WS_EX_CLIENTEDGE = 0x0200;
const UInt32 WS_EX_CONTEXTHELP = 0x0400;
const UInt32 WS_EX_RIGHT = 0x1000;
const UInt32 WS_EX_LEFT = 0x0000;
const UInt32 WS_EX_RTLREADING = 0x2000;
const UInt32 WS_EX_LTRREADING = 0x0000;
const UInt32 WS_EX_LEFTSCROLLBAR = 0x4000;
const UInt32 WS_EX_RIGHTSCROLLBAR = 0x0000;
const UInt32 WS_EX_CONTROLPARENT = 0x10000;
const UInt32 WS_EX_STATICEDGE = 0x20000;
const UInt32 WS_EX_APPWINDOW = 0x40000;
const UInt32 WS_EX_OVERLAPPEDWINDOW = (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
const UInt32 WS_EX_PALETTEWINDOW = (WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST);
const UInt32 WS_EX_LAYERED = 0x00080000;
const UInt32 WS_EX_NOINHERITLAYOUT = 0x00100000; // Disable inheritence of mirroring by children
const UInt32 WS_EX_LAYOUTRTL = 0x00400000; // Right to left mirroring
const UInt32 WS_EX_COMPOSITED = 0x02000000;
const UInt32 WS_EX_NOACTIVATE = 0x08000000;
private const int WM_ACTIVATE = 0x0006;
private readonly IntPtr WA_ACTIVE = new IntPtr(1);
private readonly IntPtr WA_INACTIVE = new IntPtr(0);
[DllImport("user32.dll")]
private static extern int SetWindowLong(IntPtr hWnd, int nIndex, UInt32 dwNewLong);
[DllImport("user32.dll", SetLastError = true)]
private static extern UInt32 GetWindowLong(IntPtr hWnd, int nIndex);
[DllImport("user32")]
private static extern IntPtr SetParent(IntPtr hWnd, IntPtr hWndParent);
internal delegate int WindowEnumProc(IntPtr hwnd, IntPtr lparam);
[DllImport("user32.dll")]
internal static extern bool EnumChildWindows(IntPtr hwnd, WindowEnumProc func, IntPtr lParam);
[DllImport("user32.dll")]
static extern int SendMessage(IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern bool IsWindow(IntPtr hWnd);
#region CONSTRUCTORS
#endregion
#region METHODS
protected override HandleRef BuildWindowCore(HandleRef hwndParent)
{
var context = DataContext as UltrasoundVM;
var psi = new ProcessStartInfo("UnityStandAlone.exe");
psi.Arguments = """ + context.Workspace.Replace('\', '/') + "" " + context.SelectedFlexible;
LoggerHelper.Write(GetType().FullName + "." + new StackTrace().GetFrame(0).GetMethod().Name + " : " + psi.Arguments, EventLogEntryType.Information);
psi.WindowStyle = ProcessWindowStyle.Minimized;
_process = Process.Start(psi);
_process.WaitForInputIdle();
while (_process.MainWindowHandle == IntPtr.Zero || !IsWindow(_process.MainWindowHandle))
{
Thread.Yield();
}
_unityHWND = _process.MainWindowHandle;
SetParent(_unityHWND, hwndParent.Handle);
var style = GetWindowLong(_unityHWND, GWL_STYLE);
style = style & ~WS_CAPTION & ~WS_THICKFRAME; // Removes Caption bar and the sizing border
style |= (WS_CHILD); // Must be a child window to be hosted
SetWindowLong(_unityHWND, GWL_STYLE, style);
SetWindowLong(_unityHWND, GWL_STYLE, WS_CHILD | WS_MAXIMIZE);
SendMessage(_unityHWND, WM_ACTIVATE, WA_ACTIVE, IntPtr.Zero);
_hwnd = new HandleRef(this, _unityHWND);
return _hwnd;
}
protected override void DestroyWindowCore(HandleRef hwnd)
{
SendMessage(_hwnd.Handle, WM_ACTIVATE, WA_INACTIVE, IntPtr.Zero);
_process.CloseMainWindow();
_process.WaitForExit(5000);
if (_process.HasExited == false)
{
_process.Kill();
}
_process.Close();
_process.Dispose();
_process = null;
}
#endregion
}
笔记：
开发计算机
- 操作系统：视窗 10 家庭版 - Unity 3D 5.5.2.f.1 免费版
测试计算机 操作系统：Windows 10(家庭版和专业版)
当然，我尝试使用不同的参数构建 Unity 应用程序，我的父应用程序也是如此。
OK
似乎问题来自我的 Unity 独立存在，我的源代码和调试文件夹之间并不相同。