private static bool RectContains(Native.User32.RECT rect1, Native.User32.RECT rect2)
{
return(rect1.Left <= rect2.Left &&
rect1.Top <= rect2.Top &&
rect1.Right >= rect2.Right &&
rect1.Bottom >= rect2.Bottom);
}
public static List <WindowInfo> GetVisibleWindowPositions()
{
var windows = FindWindows((wnd, param) =>
{
var windowTitle = GetWindowsText(wnd);
return(Native.User32.IsWindowVisible(wnd) && !string.IsNullOrWhiteSpace(windowTitle));
});
var result = new List <WindowInfo>();
foreach (var window in windows)
{
// Ignore Program Manager and Settings?
if (window.Title == "Program Manager" || window.Title == "Settings")
{
continue;
}
// Check if window is maximized and adjust window rectangle
Native.User32.GetWindowPlacement(window.Hwnd, out var windowPlacement);
Native.User32.GetWindowInfo(window.Hwnd, out var windowInfo);
var winRect = new Native.User32.RECT();
if (windowPlacement.ShowCmd == Native.User32.SW_MAXIMIZE)
{
winRect.Top = window.Rect.Top + (int)windowInfo.cyWindowBorders;
winRect.Height = window.Rect.Height - (int)windowInfo.cyWindowBorders * 2;
}
else
{
winRect.Top = window.Rect.Top;
winRect.Height = window.Rect.Height - (int)windowInfo.cyWindowBorders;
}
winRect.Left = window.Rect.Left + (int)windowInfo.cxWindowBorders;
winRect.Width = window.Rect.Width - (int)windowInfo.cxWindowBorders * 2;
window.Rect = winRect;
if (result.Count == 0 || !result.Any(r => RectContains(r.Rect, window.Rect)))
{
result.Add(window);
}
}
return(result);
}
public WindowCaptureWindow(List <WindowInfo> windows, Native.User32.RECT screenRect)
{
InitializeComponent();
var left = screenRect.Left;
Left = screenRect.Left;
var top = screenRect.Top;
Top = screenRect.Top;
Width = screenRect.Width;
Height = screenRect.Height;
Loaded += (s, e) =>
{
BackgroundRect.Rect = new Rect(0, 0, Width, Height);
Activate();
};
MouseMove += (s, e) =>
{
var mousePoint = e.GetPosition(HighlightCanvas);
var mousePointScreen = new Point(mousePoint.X + left, mousePoint.Y + top);
foreach (var windowInfo in windows)
{
if (RectContainsPoint(windowInfo.Rect, mousePointScreen))
{
var currentRect = new Rect(windowInfo.Rect.Left + Math.Abs(left),
windowInfo.Rect.Top + Math.Abs(top),
windowInfo.Rect.Width,
windowInfo.Rect.Height);
CutoutRect.Rect = currentRect;
_internalSelectedWindow = windowInfo;
break;
}
}
};
}
private static bool RectContainsPoint(Native.User32.RECT rect, Point p)
{
return(p.X > rect.Left && p.X < rect.Left + rect.Width &&
p.Y > rect.Top && p.Y < rect.Top + rect.Height);
}