public static List <DisplayInfo> GetDisplays()
{
var list = new List <DisplayInfo>();
try {
User32.EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero,
(IntPtr hMonitor, IntPtr hdcMonitor, ref NativeRect lprcMonitor, IntPtr dwData) => {
var mi = new MonitorInfoEx();
mi.Init();
mi.size = Marshal.SizeOf(mi);
mi.size = 72;
var success = User32.GetMonitorInfo(hMonitor, ref mi);
if (success)
{
var di = new DisplayInfo();
di.MonitorArea = mi.monitor;
di.WorkArea = mi.work;
di.PrimaryDisplay = (mi.flags & 1) != 0;
di.LogicalScreenHeight = GDI32.GetDeviceCaps(hMonitor, (int)GDI32.DeviceCap.VERTRES);
di.PhysicalScreenHeight = GDI32.GetDeviceCaps(hMonitor, (int)GDI32.DeviceCap.DESKTOPVERTRES);
// TransformToPixels(0, 0, out var x, out var y);
uint dpiX;
uint dpiY;
try {
ShCore.GetDpiForMonitor(
hMonitor,
MonitorDpiType.MDT_EFFECTIVE_DPI,
out dpiX,
out dpiY
);
} catch {
dpiX = 96;
dpiY = 96;
}
di.scaleFactor2 = dpiX / 96f;
list.Add(di);
}
else
{
Logger.Debug("Getting monitor info failed");
}
return(true);
}, IntPtr.Zero);
AddAdditionalInfos(list);
} catch (Exception e) {
Logger.Exception(e);
}
return(list);
}
private static Monitor ParseMonitor(IntPtr monitorHandle, IntPtr hdc)
{
var info = new MonitorInfoEx(); //TODO: MonitorInfo not getting filled with data.
var a = User32.GetMonitorInfo(new HandleRef(null, monitorHandle), info);
var name = new string(info.szDevice).TrimEnd((char)0);
var monitor = new Monitor
{
Handle = monitorHandle,
Name = name,
FriendlyName = name,
NativeBounds = new Rect(info.rcMonitor.Left, info.rcMonitor.Top,
info.rcMonitor.Right - info.rcMonitor.Left,
info.rcMonitor.Bottom - info.rcMonitor.Top),
Bounds = new Rect(info.rcMonitor.Left, info.rcMonitor.Top,
info.rcMonitor.Right - info.rcMonitor.Left,
info.rcMonitor.Bottom - info.rcMonitor.Top),
WorkingArea = new Rect(info.rcWork.Left, info.rcWork.Top,
info.rcWork.Right - info.rcWork.Left,
info.rcWork.Bottom - info.rcWork.Top),
IsPrimary = (info.dwFlags & Constants.MonitorinfoPrimary) != 0
};
#region Extra details
try
{
var display = new DisplayDevices(true);
for (uint id = 0; User32.EnumDisplayDevices(null, id, ref display, 0); id++)
{
var found = display.DeviceName == monitor.Name;
var adapter = display.DeviceString;
User32.EnumDisplayDevices(display.DeviceName, id, ref display, 0);
if (!found)
{
continue;
}
monitor.AdapterName = adapter;
monitor.FriendlyName = string.IsNullOrWhiteSpace(display.DeviceString) ? LocalizationHelper.Get("S.Recorder.Screen.Name.Internal") :
display.DeviceString == "Generic PnP Monitor" ? LocalizationHelper.Get("S.Recorder.Screen.Name.Generic") : display.DeviceString;
break;
}
}
catch (Exception ex)
{
LogWriter.Log(ex, "Impossible to get extra details of screen.");
}
#endregion
#region Screen DPI
try
{
ShCore.GetDpiForMonitor(monitorHandle, DpiTypes.Effective, out var aux, out _);
monitor.Dpi = aux > 0 ? (int)aux : 96;
}
catch (Exception ex)
{
LogWriter.Log(ex, "Impossible to detect screen DPI.");
try
{
var h = Gdi32.CreateCompatibleDC(IntPtr.Zero);
monitor.Dpi = Gdi32.GetDeviceCaps(h, (int)DeviceCaps.LogPixelsX);
Gdi32.DeleteDC(h);
}
catch (Exception e)
{
LogWriter.Log(e, "Error getting fallback of screen DPI.");
}
}
#endregion
return(monitor);
}
internal static Dpi GetMonitorDpiCore(IntPtr monitorHandle)
{
return(ShCore.GetDpiForMonitor(monitorHandle, MonitorDpiType.MdtEffectiveDpi, out var x, out var y) != 0
? Dpi.Default
: new Dpi(x, y));
}