private static void EnableBlur(Window window)
{
var windowHelper = new WindowInteropHelper(window);
var accent = new Dwm.AccentPolicy
{
AccentState = Dwm.AccentState.ACCENT_ENABLE_BLURBEHIND
};
var accentStructSize = Marshal.SizeOf(accent);
var accentPtr = Marshal.AllocHGlobal(accentStructSize);
Marshal.StructureToPtr(accent, accentPtr, false);
var data = new Dwm.WindowCompositionAttributeData
{
Attribute = Dwm.WindowCompositionAttribute.WCA_ACCENT_POLICY,
SizeOfData = accentStructSize,
Data = accentPtr
};
Dwm.SetWindowCompositionAttribute(windowHelper.Handle, ref data);
Marshal.FreeHGlobal(accentPtr);
}
/// <summary>
/// Make sure the monitoring is disabled and the Thumbnail is unregistered
/// </summary>
/// <param name="e">EventArgs</param>
protected override void OnClosed(EventArgs e)
{
_locationPool.Return(_thumbnailRect);
_windowMonitor.Dispose();
_configurationMonitor.Dispose();
Dwm.DwmUnregisterThumbnail(_phThumbnail);
base.OnClosed(e);
}
private void UnregisterThumbnail()
{
if (_thumbnailHandle == IntPtr.Zero)
{
return;
}
Dwm.DwmUnregisterThumbnail(_thumbnailHandle);
_thumbnailHandle = IntPtr.Zero;
}
public Window GetWindow(IntPtr handle)
{
var interopWindow = InteropWindowFactory.CreateFor(handle);
interopWindow.Fill(InteropWindowCacheFlags.Info | InteropWindowCacheFlags.Text);
var windowInfo = interopWindow.Info.Value;
Dwm.GetExtendedFrameBounds(handle, out var nativeBounds);
var innerBounds = (Rectangle)nativeBounds;
var outerBounds = (Rectangle)windowInfo.Bounds;
Rectangle bounds;
Thickness border;
if (outerBounds.Width > 0 || outerBounds.Height > 0)
{
var rawBorder = innerBounds.GetBorder(outerBounds);
if (rawBorder.Left < 0 || rawBorder.Top < 0 || rawBorder.Right < 0 || rawBorder.Right < 0)
{
bounds = new Rectangle(
innerBounds.Left - Math.Min(rawBorder.Left, 0),
innerBounds.Top - Math.Min(rawBorder.Top, 0),
innerBounds.Width - Math.Min(rawBorder.Left, 0) - Math.Min(rawBorder.Right, 0),
innerBounds.Height - Math.Min(rawBorder.Top, 0) - Math.Min(rawBorder.Bottom, 0));
border = new Thickness(
Math.Max(rawBorder.Left, 0),
Math.Max(rawBorder.Top, 0),
Math.Max(rawBorder.Right, 0),
Math.Max(rawBorder.Bottom, 0));
}
else
{
bounds = innerBounds;
border = rawBorder;
}
}
else
{
bounds = innerBounds;
border = Thickness.Empty;
}
var dpi = (int)NativeDpiMethods.GetDpiForWindow(handle);
return(new Window
{
Handle = handle,
Title = interopWindow.Text,
Bounds = bounds,
Border = border,
Dpi = new Point(dpi, dpi),
});
}
/// <summary>
/// Change the thumbnail settings
/// </summary>
private void UpdateThumbnail()
{
Opacity = Math.Max((byte)0x01, _pipConfiguration.Opacity) / 255d;
// Prepare the displaying of the Thumbnail
var props = new DwmThumbnailProperties
{
Opacity = _pipConfiguration.Opacity,
Visible = true,
SourceClientAreaOnly = _pipConfiguration.SourceClientAreaOnly,
Destination = new NativeRect(0, 0, Width, Height)
};
Dwm.DwmUpdateThumbnailProperties(_phThumbnail, ref props);
}
/// <summary>
/// Create the thumbnail if the form is shown
/// </summary>
/// <param name="e">EventArgs</param>
protected override void OnShown(EventArgs e)
{
base.OnShown(e);
if (_phThumbnail == IntPtr.Zero)
{
var result = Dwm.DwmRegisterThumbnail(Handle, _hWnd, out _phThumbnail);
if (result.Failed())
{
Close();
return;
}
UpdateThumbnail();
}
User32Api.BringWindowToTop(Handle);
}
/// <summary>
/// Show the thumbnail of the supplied window above (or under) the parent Control
/// </summary>
/// <param name="window">WindowDetails</param>
/// <param name="parentControl">Control</param>
public void ShowThumbnail(IInteropWindow window, Control parentControl)
{
UnregisterThumbnail();
Dwm.DwmRegisterThumbnail(Handle, window.Handle, out _thumbnailHandle);
if (_thumbnailHandle == IntPtr.Zero)
{
return;
}
Dwm.DwmQueryThumbnailSourceSize(_thumbnailHandle, out var sourceSize);
var thumbnailHeight = 200;
var thumbnailWidth = (int)(thumbnailHeight * (sourceSize.Width / (float)sourceSize.Height));
if (parentControl != null && thumbnailWidth > parentControl.Width)
{
thumbnailWidth = parentControl.Width;
thumbnailHeight = (int)(thumbnailWidth * (sourceSize.Height / (float)sourceSize.Width));
}
Width = thumbnailWidth;
Height = thumbnailHeight;
// Prepare the displaying of the Thumbnail
var props = new DwmThumbnailProperties
{
Opacity = 255,
Visible = true,
SourceClientAreaOnly = false,
Destination = new NativeRect(0, 0, thumbnailWidth, thumbnailHeight)
};
Dwm.DwmUpdateThumbnailProperties(_thumbnailHandle, ref props);
if (parentControl != null)
{
AlignToControl(parentControl);
}
if (!Visible)
{
Show();
}
// Make sure it's on "top"!
if (parentControl != null)
{
User32Api.SetWindowPos(Handle, parentControl.Handle, 0, 0, 0, 0, WindowPos.SWP_NOMOVE | WindowPos.SWP_NOSIZE | WindowPos.SWP_NOACTIVATE);
}
}
/// <summary>
/// Change the thumbnail settings
/// </summary>
private void UpdateThumbnail()
{
// Retrieve the current information about the window, this could changed
var interopWindow = InteropWindowFactory.CreateFor(_hWnd).Fill();
var sourceBounds = interopWindow.Info.Value.Bounds;
Opacity = Math.Max((byte)0x01, _pipConfiguration.Opacity) / 255d;
// Prepare the displaying of the Thumbnail
var props = new DwmThumbnailProperties
{
Opacity = _pipConfiguration.Opacity,
Visible = true,
SourceClientAreaOnly = _pipConfiguration.SourceClientAreaOnly,
// This is the size of the DMW Thumbnail
Destination = new NativeRect(0, 0, Width, Height),
// Here it would be possible to select only a part of the window, but this is slightly tricky of someone resizes the window
Source = new NativeRect(0, 0, sourceBounds.Width, sourceBounds.Height)
};
Dwm.DwmUpdateThumbnailProperties(_phThumbnail, ref props);
}
public void DecorateWindow()
{
try
{
// Obtain the window handle for WPF application
IntPtr mainWindowPtr = new WindowInteropHelper(window).Handle;
HwndSource mainWindowSrc = HwndSource.FromHwnd(mainWindowPtr);
mainWindowSrc.CompositionTarget.BackgroundColor = Color.FromArgb(0, 0, 0, 0);
// Get System Dpi
System.Drawing.Graphics desktop = System.Drawing.Graphics.FromHwnd(mainWindowPtr);
float DesktopDpiX = desktop.DpiX;
float DesktopDpiY = desktop.DpiY;
// Set Margins
Dwm.MARGINS margins = new Dwm.MARGINS();
// Extend glass frame into client area
// Note that the default desktop Dpi is 96dpi. The margins are
// adjusted for the system Dpi.
margins.cxLeftWidth = Convert.ToInt32(5 * (DesktopDpiX / 96));
margins.cxRightWidth = Convert.ToInt32(5 * (DesktopDpiX / 96));
//margins.cyTopHeight = Convert.ToInt32(((int) topBar.ActualHeight + 5) * (DesktopDpiX / 96));
margins.cyTopHeight = Convert.ToInt32((32 + 5) * (DesktopDpiX / 96));
margins.cyBottomHeight = Convert.ToInt32(5 * (DesktopDpiX / 96));
int hr = Dwm.DwmExtendFrameIntoClientArea(mainWindowSrc.Handle, ref margins);
//
if (hr < 0)
{
Debug.WriteLine("DwmExtendFrameIntoClientArea Failed");
//DwmExtendFrameIntoClientArea Failed
}
}
// If not Vista, paint background white.
catch (DllNotFoundException)
{
Application.Current.MainWindow.Background = Brushes.White;
}
}
/// <summary>
/// Get the WindowInfo
/// </summary>
/// <param name="interopWindow">InteropWindow</param>
/// <param name="forceUpdate">set to true to make sure the value is updated</param>
/// <returns>WindowInfo</returns>
public static WindowInfo GetInfo(this IInteropWindow interopWindow, bool forceUpdate = false)
{
if (interopWindow.Info.HasValue && !forceUpdate)
{
return(interopWindow.Info.Value);
}
var windowInfo = WindowInfo.Create();
User32Api.GetWindowInfo(interopWindow.Handle, ref windowInfo);
// Now correct the bounds, for Windows 10
if (Dwm.IsDwmEnabled)
{
NativeRect extendedFrameBounds;
bool gotFrameBounds = Dwm.GetExtendedFrameBounds(interopWindow.Handle, out extendedFrameBounds);
if (gotFrameBounds && (interopWindow.IsApp() || WindowsVersion.IsWindows10OrLater && !interopWindow.IsMaximized()))
{
windowInfo.Bounds = extendedFrameBounds;
}
}
interopWindow.Info = windowInfo;
return(interopWindow.Info.Value);
}
/// <summary>
/// Get the WindowInfo
/// </summary>
/// <param name="interopWindow">InteropWindow</param>
/// <param name="forceUpdate">set to true to make sure the value is updated</param>
/// <param name="autoCorrect">enable auto correction, e,g, have the bounds cropped to the parent(s)</param>
/// <returns>WindowInfo</returns>
public static WindowInfo GetInfo(this IInteropWindow interopWindow, bool forceUpdate = false, bool autoCorrect = true)
{
if (interopWindow.Info.HasValue && !forceUpdate)
{
return(interopWindow.Info.Value);
}
var windowInfo = WindowInfo.Create();
User32Api.GetWindowInfo(interopWindow.Handle, ref windowInfo);
// Test if we need to correct some values
if (autoCorrect)
{
// Correct the bounds, for Windows 8+
if (Dwm.IsDwmEnabled)
{
// This only works for top level windows, otherwise a access denied is returned
bool gotFrameBounds = Dwm.GetExtendedFrameBounds(interopWindow.Handle, out var extendedFrameBounds);
if (gotFrameBounds && (interopWindow.IsApp() || WindowsVersion.IsWindows10OrLater && !interopWindow.IsMaximized()))
{
windowInfo.Bounds = extendedFrameBounds;
}
}
var parentWindow = interopWindow.GetParentWindow();
if (interopWindow.HasParent)
{
var parentInfo = parentWindow.GetInfo(forceUpdate, true);
windowInfo.Bounds = windowInfo.Bounds.Intersect(parentInfo.Bounds);
windowInfo.ClientBounds = windowInfo.ClientBounds.Intersect(parentInfo.ClientBounds);
}
}
interopWindow.Info = windowInfo;
return(windowInfo);
}
/// <summary>
/// Capture DWM Window
/// </summary>
/// <param name="interopWindow">IInteropWindow</param>
/// <param name="capture">Capture to fill</param>
/// <param name="windowCaptureMode">Wanted WindowCaptureModes</param>
/// <param name="autoMode">True if auto modus is used</param>
/// <returns>ICapture with the capture</returns>
public static ICapture CaptureDwmWindow(this IInteropWindow interopWindow, ICapture capture, WindowCaptureModes windowCaptureMode, bool autoMode)
{
var thumbnailHandle = IntPtr.Zero;
Form tempForm = null;
var tempFormShown = false;
try
{
tempForm = new Form
{
ShowInTaskbar = false,
FormBorderStyle = FormBorderStyle.None,
TopMost = true
};
// Register the Thumbnail
Dwm.DwmRegisterThumbnail(tempForm.Handle, interopWindow.Handle, out thumbnailHandle);
// Get the original size
Dwm.DwmQueryThumbnailSourceSize(thumbnailHandle, out var sourceSize);
if (sourceSize.Width <= 0 || sourceSize.Height <= 0)
{
return(null);
}
// Calculate the location of the temp form
var windowRectangle = interopWindow.GetInfo().Bounds;
var formLocation = windowRectangle.Location;
var borderSize = new Size();
var doesCaptureFit = false;
if (!interopWindow.IsMaximized())
{
// Assume using it's own location
formLocation = windowRectangle.Location;
using (var workingArea = new Region(Screen.PrimaryScreen.Bounds))
{
// Find the screen where the window is and check if it fits
foreach (var screen in Screen.AllScreens)
{
if (!Equals(screen, Screen.PrimaryScreen))
{
workingArea.Union(screen.Bounds);
}
}
// If the formLocation is not inside the visible area
if (!workingArea.AreRectangleCornersVisisble(windowRectangle))
{
// If none found we find the biggest screen
foreach (var screen in Screen.AllScreens)
{
var newWindowRectangle = new NativeRect(screen.WorkingArea.Location, windowRectangle.Size);
if (workingArea.AreRectangleCornersVisisble(newWindowRectangle))
{
formLocation = screen.Bounds.Location;
doesCaptureFit = true;
break;
}
}
}
else
{
doesCaptureFit = true;
}
}
}
else if (!WindowsVersion.IsWindows8OrLater)
{
//GetClientRect(out windowRectangle);
borderSize = interopWindow.GetInfo().BorderSize;
formLocation = new NativePoint(windowRectangle.X - borderSize.Width, windowRectangle.Y - borderSize.Height);
}
tempForm.Location = formLocation;
tempForm.Size = sourceSize;
// Prepare rectangle to capture from the screen.
var captureRectangle = new NativeRect(formLocation.X, formLocation.Y, sourceSize.Width, sourceSize.Height);
if (interopWindow.IsMaximized())
{
// Correct capture size for maximized window by offsetting the X,Y with the border size
// and subtracting the border from the size (2 times, as we move right/down for the capture without resizing)
captureRectangle = captureRectangle.Inflate(borderSize.Width, borderSize.Height);
}
else
{
// TODO: Also 8.x?
if (WindowsVersion.IsWindows10)
{
captureRectangle = captureRectangle.Inflate(CoreConfiguration.Win10BorderCrop.Width, CoreConfiguration.Win10BorderCrop.Height);
}
if (autoMode)
{
// check if the capture fits
if (!doesCaptureFit)
{
// if GDI is allowed.. (a screenshot won't be better than we comes if we continue)
using (var thisWindowProcess = Process.GetProcessById(interopWindow.GetProcessId()))
{
if (!interopWindow.IsApp() && WindowCapture.IsGdiAllowed(thisWindowProcess))
{
// we return null which causes the capturing code to try another method.
return(null);
}
}
}
}
}
// Prepare the displaying of the Thumbnail
var props = new DwmThumbnailProperties
{
Opacity = 255,
Visible = true,
Destination = new NativeRect(0, 0, sourceSize.Width, sourceSize.Height)
};
Dwm.DwmUpdateThumbnailProperties(thumbnailHandle, ref props);
tempForm.Show();
tempFormShown = true;
// Intersect with screen
captureRectangle = captureRectangle.Intersect(capture.ScreenBounds);
// Destination bitmap for the capture
Bitmap capturedBitmap = null;
// Check if we make a transparent capture
if (windowCaptureMode == WindowCaptureModes.AeroTransparent)
{
// Use white, later black to capture transparent
tempForm.BackColor = Color.White;
// Make sure everything is visible
tempForm.Refresh();
Application.DoEvents();
try
{
using (var whiteBitmap = WindowCapture.CaptureRectangle(captureRectangle))
{
// Apply a white color
tempForm.BackColor = Color.Black;
// Make sure everything is visible
tempForm.Refresh();
if (!interopWindow.IsApp())
{
// Make sure the application window is active, so the colors & buttons are right
// TODO: Await?
interopWindow.ToForegroundAsync();
}
// Make sure all changes are processed and visible
Application.DoEvents();
using (var blackBitmap = WindowCapture.CaptureRectangle(captureRectangle))
{
capturedBitmap = ApplyTransparency(blackBitmap, whiteBitmap);
}
}
}
catch (Exception e)
{
Log.Warn().WriteLine(e, "Exception: ");
// Some problem occurred, cleanup and make a normal capture
if (capturedBitmap != null)
{
capturedBitmap.Dispose();
capturedBitmap = null;
}
}
}
// If no capture up till now, create a normal capture.
if (capturedBitmap == null)
{
// Remove transparency, this will break the capturing
if (!autoMode)
{
tempForm.BackColor = Color.FromArgb(255, CoreConfiguration.DWMBackgroundColor.R, CoreConfiguration.DWMBackgroundColor.G, CoreConfiguration.DWMBackgroundColor.B);
}
else
{
var colorizationColor = Dwm.ColorizationSystemDrawingColor;
// Modify by losing the transparency and increasing the intensity (as if the background color is white)
colorizationColor = Color.FromArgb(255, (colorizationColor.R + 255) >> 1, (colorizationColor.G + 255) >> 1, (colorizationColor.B + 255) >> 1);
tempForm.BackColor = colorizationColor;
}
// Make sure everything is visible
tempForm.Refresh();
if (!interopWindow.IsApp())
{
// Make sure the application window is active, so the colors & buttons are right
interopWindow.ToForegroundAsync();
}
// Make sure all changes are processed and visible
Application.DoEvents();
// Capture from the screen
capturedBitmap = WindowCapture.CaptureRectangle(captureRectangle);
}
if (capturedBitmap != null)
{
// Not needed for Windows 8
if (!WindowsVersion.IsWindows8OrLater)
{
// Only if the Inivalue is set, not maximized and it's not a tool window.
if (CoreConfiguration.WindowCaptureRemoveCorners && !interopWindow.IsMaximized() &&
!interopWindow.GetInfo().ExtendedStyle.HasFlag(ExtendedWindowStyleFlags.WS_EX_TOOLWINDOW))
{
// Remove corners
if (!Image.IsAlphaPixelFormat(capturedBitmap.PixelFormat))
{
Log.Debug().WriteLine("Changing pixelformat to Alpha for the RemoveCorners");
var tmpBitmap = capturedBitmap.CloneBitmap(PixelFormat.Format32bppArgb) as Bitmap;
capturedBitmap.Dispose();
capturedBitmap = tmpBitmap;
}
RemoveCorners(capturedBitmap);
}
}
}
capture.Bitmap = capturedBitmap;
// Make sure the capture location is the location of the window, not the copy
capture.Location = interopWindow.GetInfo().Bounds.Location;
}
finally
{
if (thumbnailHandle != IntPtr.Zero)
{
// Unregister (cleanup), as we are finished we don't need the form or the thumbnail anymore
Dwm.DwmUnregisterThumbnail(thumbnailHandle);
}
if (tempForm != null)
{
if (tempFormShown)
{
tempForm.Close();
}
tempForm.Dispose();
tempForm = null;
}
}
return(capture);
}
/// <summary>
/// Retrieve if the window is Visible and not cloaked (different desktop)
/// </summary>
/// <param name="interopWindow">InteropWindow</param>
/// <param name="forceUpdate">set to true to make sure the value is updated</param>
/// <returns>bool true if minimizedIconic (minimized)</returns>
public static bool IsVisible(this IInteropWindow interopWindow, bool forceUpdate = false)
{
if (!interopWindow.IsVisible.HasValue || forceUpdate)
{
interopWindow.IsVisible = User32Api.IsWindowVisible(interopWindow.Handle) && !Dwm.IsWindowCloaked(interopWindow.Handle);
}
return(interopWindow.IsVisible.Value);
}
