public static Rectangle ScreenBoundsFromPoint(Point point)
{
var pt = new User32.POINT()
{
X = point.X, Y = point.Y
};
var info = new User32.MonitorInfoEx();//new User32.MONITORINFOEX();
info.Init();
User32.GetMonitorInfo(User32.MonitorFromPoint(pt, MONITOR_DEFAULTTONEAREST), ref info);
return(Rectangle.FromLTRB(info.Monitor.Left, info.Monitor.Top, info.Monitor.Right, info.Monitor.Bottom));
}
internal Screen(IntPtr monitor, IntPtr hdc)
{
currentDesktopChangedCount = -1;
workingArea = Rectangle.Empty;
IntPtr screenDC = hdc;
if (!multiMonitorSupport || monitor == (IntPtr)PRIMARY_MONITOR)
{
// Single monitor system
//
if (User32.GetSystemMetrics(80) != 0)
{
bounds = new Rectangle(User32.GetSystemMetrics(76),
User32.GetSystemMetrics(77),
User32.GetSystemMetrics(78),
User32.GetSystemMetrics(79));
}
else
{
Size size = new Size(User32.GetSystemMetrics(0), User32.GetSystemMetrics(1));
bounds = new Rectangle(0, 0, size.Width, size.Height);
}
//bounds = SystemInformation.VirtualScreen;
primary = true;
deviceName = "DISPLAY";
}
else
{
// MultiMonitor System
// We call the 'A' version of GetMonitorInfoA() because
// the 'W' version just never fills out the struct properly on Win2K.
//
var info = new User32.MonitorInfoEx();
info.Init();
User32.GetMonitorInfo(monitor, ref info);
bounds = Rectangle.FromLTRB(info.Monitor.Left, info.Monitor.Top, info.Monitor.Right, info.Monitor.Bottom);
primary = ((info.Flags & MONITORINFOF_PRIMARY) != 0);
/*int count = info.DeviceName.Length;
* while (count > 0 && info.DeviceName[count - 1] == (char)0) {
* count--;
* }
*
* deviceName = new string(info.szDevice);
* deviceName = deviceName.TrimEnd((char)0);*/
deviceName = info.DeviceName;
if (hdc == IntPtr.Zero)
{
screenDC = GDI32.CreateDC(deviceName, null, null, new HandleRef());
}
}
hmonitor = monitor;
this.bitDepth = GDI32.GetDeviceCaps(new HandleRef(null, screenDC).Handle, 12);
this.bitDepth *= GDI32.GetDeviceCaps(new HandleRef(null, screenDC).Handle, 14);
if (hdc != screenDC)
{
GDI32.DeleteDC(new HandleRef(null, screenDC).Handle);
}
}