Пример #1
0
        /// <summary>
        /// Pobranie min/max rozmiaru okna dla naszego okna
        /// </summary>
        /// <param name="hwnd"></param>
        /// <param name="lParam"></param>
        private void WmGetMinMaxInfo(System.IntPtr hwnd, System.IntPtr lParam)
        {
            GetCursorPos(out var lMousePosition);

            var lCurrentScreen = mBeingMoved ?
                                 MonitorFromPoint(lMousePosition, MonitorOptions.MONITOR_DEFAULTTONULL) :
                                 MonitorFromWindow(hwnd, MonitorOptions.MONITOR_DEFAULTTONULL);

            var lPrimaryScreen = MonitorFromPoint(new POINT(0, 0), MonitorOptions.MONITOR_DEFAULTTOPRIMARY);

            var lCurrentScreenInfo = new MONITORINFO();

            if (GetMonitorInfo(lCurrentScreen, lCurrentScreenInfo) == false)
            {
                return;
            }

            var lPrimaryScreenInfo = new MONITORINFO();

            if (GetMonitorInfo(lPrimaryScreen, lPrimaryScreenInfo) == false)
            {
                return;
            }

            mMonitorDpi = VisualTreeHelper.GetDpi(mWindow);

            mLastScreen = lCurrentScreen;

            var currentX      = lCurrentScreenInfo.RCWork.Left - lCurrentScreenInfo.RCMonitor.Left;
            var currentY      = lCurrentScreenInfo.RCWork.Top - lCurrentScreenInfo.RCMonitor.Top;
            var currentWidth  = (lCurrentScreenInfo.RCWork.Right - lCurrentScreenInfo.RCWork.Left);
            var currentHeight = (lCurrentScreenInfo.RCWork.Bottom - lCurrentScreenInfo.RCWork.Top);
            var currentRatio  = (float)currentWidth / (float)currentHeight;

            var primaryX      = lPrimaryScreenInfo.RCWork.Left - lPrimaryScreenInfo.RCMonitor.Left;
            var primaryY      = lPrimaryScreenInfo.RCWork.Top - lPrimaryScreenInfo.RCMonitor.Top;
            var primaryWidth  = (lPrimaryScreenInfo.RCWork.Right - lPrimaryScreenInfo.RCWork.Left);
            var primaryHeight = (lPrimaryScreenInfo.RCWork.Bottom - lPrimaryScreenInfo.RCWork.Top);
            var primaryRatio  = (float)primaryWidth / (float)primaryHeight;

            if (lParam != IntPtr.Zero)
            {
                var lMmi = (MINMAXINFO)Marshal.PtrToStructure(lParam, typeof(MINMAXINFO));

                lMmi.PointMaxPosition.X = lPrimaryScreenInfo.RCMonitor.Left;
                lMmi.PointMaxPosition.Y = lPrimaryScreenInfo.RCMonitor.Top;
                lMmi.PointMaxSize.X     = lPrimaryScreenInfo.RCMonitor.Right;
                lMmi.PointMaxSize.Y     = lPrimaryScreenInfo.RCWork.Bottom;

                var minSize = new Point(mWindow.MinWidth * mMonitorDpi.Value.DpiScaleX, mWindow.MinHeight * mMonitorDpi.Value.DpiScaleX);
                lMmi.PointMinTrackSize.X = (int)minSize.X;
                lMmi.PointMinTrackSize.Y = (int)minSize.Y;

                Marshal.StructureToPtr(lMmi, lParam, true);
            }

            CurrentMonitorSize = new Rectangle(currentX, currentY, currentWidth + currentX, currentHeight + currentY);

            CurrentMonitorMargin = new Thickness(
                (lCurrentScreenInfo.RCMonitor.Left - lCurrentScreenInfo.RCWork.Left) / mMonitorDpi.Value.DpiScaleX,
                (lCurrentScreenInfo.RCMonitor.Top - lCurrentScreenInfo.RCWork.Top) / mMonitorDpi.Value.DpiScaleY,
                (lCurrentScreenInfo.RCMonitor.Right - lCurrentScreenInfo.RCWork.Right) / mMonitorDpi.Value.DpiScaleX,
                (lCurrentScreenInfo.RCMonitor.Bottom - lCurrentScreenInfo.RCWork.Bottom) / mMonitorDpi.Value.DpiScaleY
                );

            mScreenSize = new Rect(lCurrentScreenInfo.RCWork.Left, lCurrentScreenInfo.RCWork.Top, currentWidth, currentHeight);
        }
Пример #2
0
 static extern bool GetMonitorInfo(IntPtr hMonitor, MONITORINFO lpmi);