/// <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);
}
static extern bool GetMonitorInfo(IntPtr hMonitor, MONITORINFO lpmi);
