/// <summary>
/// Setups the instance.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
private void SetupInstance(int x = 0, int y = 0, int width = 800, int height = 600)
{
IsVisible = true;
Topmost = BypassTopmost ? false : true;
X = x;
Y = y;
Width = width;
Height = height;
WindowClassName = HelperMethods.GenerateRandomString(5, 11);
string randomMenuName = HelperMethods.GenerateRandomString(5, 11);
if (WindowTitle == null)
{
WindowTitle = HelperMethods.GenerateRandomString(5, 11);
}
// prepare method
_windowProc = WindowProcedure;
RuntimeHelpers.PrepareDelegate(_windowProc);
_windowProcPtr = Marshal.GetFunctionPointerForDelegate(_windowProc);
WNDCLASSEX wndClassEx = new WNDCLASSEX()
{
cbSize = WNDCLASSEX.Size(),
style = 0,
lpfnWndProc = _windowProcPtr,
cbClsExtra = 0,
cbWndExtra = 0,
hInstance = IntPtr.Zero,
hIcon = IntPtr.Zero,
hCursor = IntPtr.Zero,
hbrBackground = IntPtr.Zero,
lpszMenuName = randomMenuName,
lpszClassName = WindowClassName,
hIconSm = IntPtr.Zero
};
User32.RegisterClassEx(ref wndClassEx);
uint exStyle;
if (BypassTopmost)
{
exStyle = 0x20 | 0x80000 | 0x80 | 0x8000000;
}
else
{
exStyle = 0x8 | 0x20 | 0x80000 | 0x80 | 0x8000000; // WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_LAYERED |WS_EX_TOOLWINDOW | WS_EX_NOACTIVATE
}
WindowHandle = User32.CreateWindowEx(
exStyle, // WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_LAYERED |WS_EX_TOOLWINDOW | WS_EX_NOACTIVATE
WindowClassName,
WindowTitle,
0x80000000 | 0x10000000, // WS_POPUP | WS_VISIBLE
X, Y,
Width, Height,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero
);
User32.SetLayeredWindowAttributes(WindowHandle, 0, 255, /*0x1 |*/ 0x2);
User32.UpdateWindow(WindowHandle);
// If window is incompatible on some platforms use SetWindowLong to set the style again
// and UpdateWindow If you have changed certain window data using SetWindowLong, you must
// call SetWindowPos for the changes to take effect. Use the following combination for
// uFlags: SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED.
ExtendFrameIntoClientArea();
}
public OverlayWindow(int w, int h, bool vsync = false, IntPtr parent = default(IntPtr))
{
X = 0;
Y = 0;
Width = w;
Height = h;
if (parent == default(IntPtr))
{
Width = User32.GetSystemMetrics(0);
Height = User32.GetSystemMetrics(1);
}
string className = GenerateRandomString(5, 11);
string menuName = GenerateRandomString(5, 11);
string windowName = GenerateRandomString(5, 11);
WNDCLASSEX wndClassEx = new WNDCLASSEX()
{
cbSize = WNDCLASSEX.Size(),
style = 0,
lpfnWndProc = getWindowProcPointer(),
cbClsExtra = 0,
cbWndExtra = 0,
hInstance = IntPtr.Zero,
hIcon = IntPtr.Zero,
hCursor = IntPtr.Zero,
hbrBackground = IntPtr.Zero,
lpszMenuName = menuName,
lpszClassName = className,
hIconSm = IntPtr.Zero
};
if (User32.RegisterClassEx(ref wndClassEx) == 0)
{
throw new Exception("RegisterClassExA failed with error code: " + Marshal.GetLastWin32Error());
}
Handle = User32.CreateWindowEx(
0x8 | 0x20 | 0x80000 | 0x80 | 0x8000000, // WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_LAYERED |WS_EX_TOOLWINDOW
className,
windowName,
0x80000000 | 0x10000000,
X, Y,
Width, Height,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero
);
if (Handle == IntPtr.Zero)
{
throw new Exception("CreateWindowEx failed with error code: " + Marshal.GetLastWin32Error());
}
User32.SetLayeredWindowAttributes(Handle, 0, 255, 0x1 | 0x2);
Graphics = new Direct2DRenderer(Handle, vsync);
extendFrameIntoClientArea();
User32.UpdateWindow(Handle);
IsVisible = true;
Topmost = true;
if (parent == default(IntPtr))
{
return;
}
ParentWindowHandle = parent;
new Task(_parentServiceThread).Start();
}
public OverlayWindow(bool vsync = false, IntPtr parent = default(IntPtr))
{
this.X = 0;
this.Y = 0;
this.Width = 800;
this.Height = 600;
if (parent == default(IntPtr))
{
this.Width = User32.GetSystemMetrics(0);
this.Height = User32.GetSystemMetrics(1);
}
var className = GenerateRandomString(5, 11);
var menuName = GenerateRandomString(5, 11);
var windowName = GenerateRandomString(5, 11);
var wndClassEx = new WNDCLASSEX
{
cbSize = WNDCLASSEX.Size(),
style = 0,
lpfnWndProc = this.GetWindowProcPointer(),
cbClsExtra = 0,
cbWndExtra = 0,
hInstance = IntPtr.Zero,
hIcon = IntPtr.Zero,
hCursor = IntPtr.Zero,
hbrBackground = IntPtr.Zero,
lpszMenuName = menuName,
lpszClassName = className,
hIconSm = IntPtr.Zero
};
if (User32.RegisterClassEx(ref wndClassEx) == 0)
{
throw new Exception("RegisterClassExA failed with error code: " + Marshal.GetLastWin32Error());
}
this.Handle = User32.CreateWindowEx(
0x8 | 0x20 | 0x80000 | 0x80
| 0x8000000, // WS_EX_TOPMOST | WS_EX_TRANSPARENT | WS_EX_LAYERED | WS_EX_TOOLWINDOW
className,
windowName,
0x80000000 | 0x10000000,
this.X,
this.Y,
this.Width,
this.Height,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero);
if (this.Handle == IntPtr.Zero)
{
throw new Exception("CreateWindowEx failed with error code: " + Marshal.GetLastWin32Error());
}
User32.SetLayeredWindowAttributes(this.Handle, 0, 255, 0x2); // | 0x01
this.Graphics = new Direct2DRenderer(this.Handle, vsync);
this.extendFrameIntoClientArea();
User32.UpdateWindow(this.Handle);
this.IsVisible = true;
this.Topmost = true;
if (parent == default(IntPtr))
{
return;
}
this.ParentWindowHandle = parent;
}
/// <summary>
/// Setups the instance.
/// </summary>
/// <param name="x">The x.</param>
/// <param name="y">The y.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
private void SetupInstance(int x = 0, int y = 0, int width = 800, int height = 600)
{
IsVisible = true;
Topmost = BypassTopmost ? false : true;
X = x;
Y = y;
Width = width;
Height = height;
WindowClassName = HelperMethods.GenerateRandomString(5, 11);
string randomMenuName = HelperMethods.GenerateRandomString(5, 11);
if (WindowTitle == null)
{
WindowTitle = HelperMethods.GenerateRandomString(5, 11);
}
// prepare method
_windowProc = WindowProcedure;
RuntimeHelpers.PrepareDelegate(_windowProc);
_windowProcPtr = Marshal.GetFunctionPointerForDelegate(_windowProc);
WNDCLASSEX wndClassEx = new WNDCLASSEX()
{
cbSize = WNDCLASSEX.Size(),
style = 0,
lpfnWndProc = _windowProcPtr,
cbClsExtra = 0,
cbWndExtra = 0,
hInstance = IntPtr.Zero,
hIcon = IntPtr.Zero,
hCursor = IntPtr.Zero,
hbrBackground = IntPtr.Zero,
lpszMenuName = randomMenuName,
lpszClassName = WindowClassName,
hIconSm = IntPtr.Zero
};
if (User32.RegisterClassEx(ref wndClassEx) == 0)
{
WinApi.ThrowWin32Exception("Failed to register window class!");
}
uint exStyle;
if (BypassTopmost)
{
exStyle = (uint)(ExtendedWindowStyles.Transparent | ExtendedWindowStyles.Layered | ExtendedWindowStyles.NoActivate);
}
else
{
exStyle = (uint)(ExtendedWindowStyles.TopMost | ExtendedWindowStyles.Transparent | ExtendedWindowStyles.Layered | ExtendedWindowStyles.NoActivate);
}
WindowHandle = User32.CreateWindowEx(
exStyle,
WindowClassName,
WindowTitle,
(uint)(WindowStyles.Popup | WindowStyles.Visible),
X, Y,
Width, Height,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero,
IntPtr.Zero
);
if (WindowHandle == IntPtr.Zero)
{
WinApi.ThrowWin32Exception("Failed to create window!");
}
User32.SetLayeredWindowAttributes(WindowHandle, 0, 255, (uint)(LayeredWindowAttribute.Alpha));
User32.UpdateWindow(WindowHandle);
IsInitialized = true;
// If window is incompatible on some platforms use SetWindowLong to set the style again
// and UpdateWindow If you have changed certain window data using SetWindowLong, you must
// call SetWindowPos for the changes to take effect. Use the following combination for
// uFlags: SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_FRAMECHANGED.
ExtendFrameIntoClientArea();
}
