public WindowManager(
[Import] Lazy <IDispatchManager> dispatchManager
)
{
_lpClassName = (WCHAR *)(Marshal.StringToHGlobalUni($"TerraFX.Interop.Provider.Win32.UI.Window.{EntryModuleHandle}"));
_lpWindowName = (WCHAR *)(Marshal.StringToHGlobalUni($"TerraFX Win32 Window"));
_dispatchManager = dispatchManager;
var wndClassEx = new WNDCLASSEX()
{
cbSize = unchecked ((uint)(Marshal.SizeOf <WNDCLASSEX>())),
style = CS.VREDRAW | CS.HREDRAW,
lpfnWndProc = WndProc,
cbClsExtra = 0,
cbWndExtra = 0,
hInstance = EntryModuleHandle,
hIcon = HICON.NULL,
hCursor = HCURSOR.NULL,
hbrBackground = (IntPtr)(COLOR.WINDOW + 1),
lpszMenuName = LPWSTR.NULL,
lpszClassName = _lpClassName,
hIconSm = HICON.NULL
};
var classAtom = RegisterClassEx(ref wndClassEx);
if (classAtom == 0)
{
ExceptionUtilities.ThrowExternalExceptionForLastError(nameof(RegisterClassEx));
}
_classAtom = classAtom;
}
private void Dispose(bool isDisposing)
{
if (isDisposing)
{
foreach (var createdWindow in CreatedWindows.Values)
{
createdWindow.Dispose();
}
}
if (_classAtom != 0)
{
var lpClassName = (LPWSTR)(_classAtom);
UnregisterClass(lpClassName, EntryModuleHandle);
_classAtom = 0;
}
if (_lpWindowName != null)
{
Marshal.FreeHGlobal((IntPtr)(_lpWindowName));
_lpWindowName = null;
}
if (_lpClassName != null)
{
Marshal.FreeHGlobal((IntPtr)(_lpClassName));
_lpClassName = null;
}
}
/// <summary>Initializes a new instance of the <see cref="LPWSTR" /> struct.</summary>
/// <param name="value">The value of the instance.</param>
public LPWSTR(WCHAR *value)
{
_value = value;
}
