private Screen(IntPtr monitor, IntPtr hdc)
{
if (!multiMonitorSupport || monitor == (IntPtr)PRIMARY_MONITOR)
{
Bounds = GetVirtualScreen();
Primary = true;
DeviceName = "DISPLAY";
}
else
{
var info = new NativeDisplayMonitors.MONITORINFOEX();
NativeDisplayMonitors.GetMonitorInfo(new HandleRef(null, monitor), info);
Bounds = new Rect(
info.rcMonitor.left, info.rcMonitor.top,
info.rcMonitor.right - info.rcMonitor.left,
info.rcMonitor.bottom - info.rcMonitor.top);
Primary = ((info.dwFlags & MONITORINFOF_PRIMARY) != 0);
DeviceName = new string(info.szDevice).TrimEnd((char)0);
}
hmonitor = monitor;
}
public static Screen FromHandle(IntPtr hwnd)
{
if (multiMonitorSupport)
{
return(new Screen(NativeDisplayMonitors.MonitorFromWindow(new HandleRef(null, hwnd), 2)));
}
return(new Screen((IntPtr)PRIMARY_MONITOR));
}
public static Screen FromPoint(Point point)
{
if (multiMonitorSupport)
{
var pt = new NativeDisplayMonitors.POINTSTRUCT((int)point.X, (int)point.Y);
return(new Screen(NativeDisplayMonitors.MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST)));
}
return(new Screen((IntPtr)PRIMARY_MONITOR));
}
private Rect GetVirtualScreen()
{
var size = new Size(NativeDisplayMonitors.GetSystemMetrics(NativeDisplayMonitors.SM_CXSCREEN), NativeDisplayMonitors.GetSystemMetrics(NativeDisplayMonitors.SM_CYSCREEN));
return(new Rect(0, 0, size.Width, size.Height));
}
static Screen()
{
multiMonitorSupport = NativeDisplayMonitors.GetSystemMetrics(NativeDisplayMonitors.SM_CMONITORS) != 0;
}
private Rect GetWorkingArea()
{
NativeDisplayMonitors.RECT rc = new NativeDisplayMonitors.RECT();
NativeDisplayMonitors.SystemParametersInfo(NativeDisplayMonitors.SPI_GETWORKAREA, 0, ref rc, 0);
return(new Rect(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top));
}