private void CreateMessageWindow()
{
// Ensure that the delegate doesn't get garbage collected by storing it as a field.
_wndProcDelegate = new UnmanagedMethods.WndProc(WndProc);
UnmanagedMethods.WNDCLASSEX wndClassEx = new UnmanagedMethods.WNDCLASSEX
{
cbSize = Marshal.SizeOf <UnmanagedMethods.WNDCLASSEX>(),
lpfnWndProc = _wndProcDelegate,
hInstance = UnmanagedMethods.GetModuleHandle(null),
lpszClassName = "AvaloniaMessageWindow " + Guid.NewGuid(),
};
ushort atom = UnmanagedMethods.RegisterClassEx(ref wndClassEx);
if (atom == 0)
{
throw new Win32Exception();
}
_hwnd = UnmanagedMethods.CreateWindowEx(0, atom, null, 0, 0, 0, 0, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (_hwnd == IntPtr.Zero)
{
throw new Win32Exception();
}
}
private void CreateMessageWindow()
{
// Ensure that the delegate doesn't get garbage collected by storing it as a field.
_wndProcDelegate = new UnmanagedMethods.WndProc(WndProc);
UnmanagedMethods.WNDCLASSEX wndClassEx = new UnmanagedMethods.WNDCLASSEX
{
cbSize = Marshal.SizeOf(typeof(UnmanagedMethods.WNDCLASSEX)),
lpfnWndProc = _wndProcDelegate,
hInstance = Marshal.GetHINSTANCE(GetType().Module),
lpszClassName = "PerspexMessageWindow",
};
ushort atom = UnmanagedMethods.RegisterClassEx(ref wndClassEx);
if (atom == 0)
{
throw new Win32Exception();
}
_hwnd = UnmanagedMethods.CreateWindowEx(0, atom, null, 0, 0, 0, 0, 0, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
if (_hwnd == IntPtr.Zero)
{
throw new Win32Exception();
}
}
protected override IntPtr CreateWindowOverride(ushort atom)
{
UnmanagedMethods.WindowStyles style =
UnmanagedMethods.WindowStyles.WS_POPUP |
UnmanagedMethods.WindowStyles.WS_CLIPSIBLINGS;
UnmanagedMethods.WindowStyles exStyle =
UnmanagedMethods.WindowStyles.WS_EX_TOOLWINDOW |
UnmanagedMethods.WindowStyles.WS_EX_TOPMOST;
var result = UnmanagedMethods.CreateWindowEx(
(int)exStyle,
atom,
null,
(uint)style,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
var classes = (int)UnmanagedMethods.GetClassLongPtr(result, (int)UnmanagedMethods.ClassLongIndex.GCL_STYLE);
classes |= (int)UnmanagedMethods.ClassStyles.CS_DROPSHADOW;
UnmanagedMethods.SetClassLong(result, UnmanagedMethods.ClassLongIndex.GCL_STYLE, new IntPtr(classes));
return(result);
}
protected virtual IntPtr CreateWindowOverride(ushort atom)
{
return(UnmanagedMethods.CreateWindowEx(
0,
atom,
null,
(int)UnmanagedMethods.WindowStyles.WS_OVERLAPPEDWINDOW,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero));
}
private void CreateWindow()
{
// Ensure that the delegate doesn't get garbage collected by storing it as a field.
this.wndProcDelegate = new UnmanagedMethods.WndProc(this.WndProc);
this.className = Guid.NewGuid().ToString();
UnmanagedMethods.WNDCLASSEX wndClassEx = new UnmanagedMethods.WNDCLASSEX
{
cbSize = Marshal.SizeOf(typeof(UnmanagedMethods.WNDCLASSEX)),
style = 0,
lpfnWndProc = this.wndProcDelegate,
hInstance = Marshal.GetHINSTANCE(this.GetType().Module),
hCursor = UnmanagedMethods.LoadCursor(IntPtr.Zero, (int)UnmanagedMethods.Cursor.IDC_ARROW),
hbrBackground = (IntPtr)5,
lpszClassName = this.className,
};
ushort atom = UnmanagedMethods.RegisterClassEx(ref wndClassEx);
if (atom == 0)
{
throw new Win32Exception();
}
this.hwnd = UnmanagedMethods.CreateWindowEx(
0,
atom,
null,
(int)UnmanagedMethods.WindowStyles.WS_OVERLAPPEDWINDOW,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
if (this.hwnd == IntPtr.Zero)
{
throw new Win32Exception();
}
this.Handle = new PlatformHandle(this.hwnd, "HWND");
}
protected override IntPtr CreateWindowOverride(ushort atom)
{
var hWnd = UnmanagedMethods.CreateWindowEx(
0,
atom,
null,
(int)UnmanagedMethods.WindowStyles.WS_CHILD,
0,
0,
640,
480,
DefaultParentWindow,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
return(hWnd);
}
protected override IntPtr CreateWindowOverride(ushort atom)
{
var hWnd = UnmanagedMethods.CreateWindowEx(
0,
atom,
null,
(int)UnmanagedMethods.WindowStyles.WS_CHILD,
0,
0,
640,
480,
WinFormsControl.Handle,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
return(hWnd);
}
private void Initialize(HwndSourceParameters parameters)
{
// Ensure that the delegate doesn't get garbage collected by storing it as a field.
this.wndProcDelegate = new UnmanagedMethods.WndProc(this.WndProc);
this.className = Guid.NewGuid().ToString();
UnmanagedMethods.WNDCLASSEX wndClassEx = new UnmanagedMethods.WNDCLASSEX
{
cbSize = Marshal.SizeOf(typeof(UnmanagedMethods.WNDCLASSEX)),
style = parameters.WindowClassStyle,
lpfnWndProc = this.wndProcDelegate,
hInstance = Marshal.GetHINSTANCE(this.GetType().Module),
hCursor = UnmanagedMethods.LoadCursor(IntPtr.Zero, (int)UnmanagedMethods.Cursor.IDC_ARROW),
hbrBackground = (IntPtr)5,
lpszClassName = this.className,
};
ushort atom = UnmanagedMethods.RegisterClassEx(ref wndClassEx);
if (atom == 0)
{
throw new Win32Exception();
}
this.Handle = UnmanagedMethods.CreateWindowEx(
parameters.ExtendedWindowStyle,
atom,
parameters.WindowName,
parameters.WindowStyle,
parameters.PositionX,
parameters.PositionY,
parameters.Width,
parameters.Height,
parameters.ParentWindow,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
if (this.Handle == IntPtr.Zero)
{
throw new Win32Exception();
}
}
private static IntPtr CreateParentWindow()
{
_wndProcDelegate = new UnmanagedMethods.WndProc(ParentWndProc);
var wndClassEx = new UnmanagedMethods.WNDCLASSEX
{
cbSize = Marshal.SizeOf <UnmanagedMethods.WNDCLASSEX>(),
hInstance = UnmanagedMethods.GetModuleHandle(null),
lpfnWndProc = _wndProcDelegate,
lpszClassName = "AvaloniaEmbeddedWindow-" + Guid.NewGuid(),
};
var atom = UnmanagedMethods.RegisterClassEx(ref wndClassEx);
if (atom == 0)
{
throw new Win32Exception();
}
var hwnd = UnmanagedMethods.CreateWindowEx(
0,
atom,
null,
(int)UnmanagedMethods.WindowStyles.WS_OVERLAPPEDWINDOW,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
if (hwnd == IntPtr.Zero)
{
throw new Win32Exception();
}
return(hwnd);
}
public DumbWindow(bool layered = false, IntPtr?parent = null)
{
_wndProcDelegate = WndProc;
var wndClassEx = new UnmanagedMethods.WNDCLASSEX
{
cbSize = Marshal.SizeOf <UnmanagedMethods.WNDCLASSEX>(),
hInstance = UnmanagedMethods.GetModuleHandle(null),
lpfnWndProc = _wndProcDelegate,
lpszClassName = _className = "AvaloniaDumbWindow-" + Guid.NewGuid(),
};
var atom = UnmanagedMethods.RegisterClassEx(ref wndClassEx);
Handle = UnmanagedMethods.CreateWindowEx(
layered ? (int)UnmanagedMethods.WindowStyles.WS_EX_LAYERED : 0,
atom,
null,
(int)UnmanagedMethods.WindowStyles.WS_CHILD,
0,
0,
640,
480,
parent ?? OffscreenParentWindow.Handle,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
if (Handle == IntPtr.Zero)
{
throw new InvalidOperationException("Unable to create child window for native control host. Application manifest with supported OS list might be required.");
}
if (layered)
{
UnmanagedMethods.SetLayeredWindowAttributes(Handle, 0, 255,
UnmanagedMethods.LayeredWindowFlags.LWA_ALPHA);
}
}
protected override IntPtr CreateWindowOverride(ushort atom)
{
UnmanagedMethods.WindowStyles style =
UnmanagedMethods.WindowStyles.WS_POPUP |
UnmanagedMethods.WindowStyles.WS_CLIPSIBLINGS;
UnmanagedMethods.WindowStyles exStyle =
UnmanagedMethods.WindowStyles.WS_EX_TOOLWINDOW |
UnmanagedMethods.WindowStyles.WS_EX_TOPMOST;
return(UnmanagedMethods.CreateWindowEx(
(int)exStyle,
atom,
null,
(uint)style,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
UnmanagedMethods.CW_USEDEFAULT,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero));
}
