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 bool MonitorEnumCallBack(IntPtr hMonitor, IntPtr hdcMonitor, ref RectStruct lprcMonitor, IntPtr dwData)
{
MonitorInfoEx mon_info = new MonitorInfoEx();
mon_info.Init();
mon_info.Size = Marshal.SizeOf(mon_info);
GetMonitorInfo(hMonitor, ref mon_info);
///Monitor info is stored in 'mon_info'
return(true);
}
private void UpdateDPIText()
{
var hMonitor = PerMonitorDPIHelper.GetMonitorFromWindow(this);
MonitorInfoEx monitorInfo = new MonitorInfoEx();
monitorInfo.Init();
GetMonitorInfo(hMonitor, ref monitorInfo);
var monitorRect = monitorInfo.Monitor;
DPI.Text = "Window Information" +
"\n\tSystem DPI = " + PerMonitorDPIHelper.GetSystemDPI() +
"\n\tWPF Rendering DPI = " + this.WpfDPI +
"\n\tMonitor DPI = " + this.CurrentDPI +
string.Format("\n\tMonitor Dimensions = X:{0} Y:{1} Width:{2} Height: {3}", monitorRect.Left, monitorRect.Top, monitorRect.Right - monitorRect.Left, monitorRect.Bottom - monitorRect.Top) +
"\n\tWindow Size in Physical Pixels = " + (this.ActualWidth * this.WpfDPI / 96.0) + " x " + (this.ActualHeight * this.WpfDPI / 96.0);
}
/// <summary>
/// Returns the number of Displays using the Win32 functions
/// </summary>
/// <returns>collection of Display Info</returns>
public static DisplayInfoCollection GetDisplays()
{
DisplayInfoCollection col = new DisplayInfoCollection();
try {
EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero,
delegate(IntPtr hMonitor, IntPtr hdcMonitor, ref Rect lprcMonitor, IntPtr dwData)
{
MonitorInfoEx mi = new MonitorInfoEx();
mi.Init();
mi.size = Marshal.SizeOf(mi);
mi.size = 72;
bool success = GetMonitorInfo(hMonitor, ref mi);
if (success)
{
DisplayInfo di = new DisplayInfo();
di.ScreenWidth = (mi.monitor.right - mi.monitor.left).ToString();
di.ScreenHeight = (mi.monitor.bottom - mi.monitor.top).ToString();
di.MonitorArea = mi.monitor;
di.WorkArea = mi.work;
di.Availability = mi.flags.ToString();
di.DeviceName = mi.DeviceName;
col.Add(di);
}
else
{
Debug.Log("getting monitor info failed");
}
return(true);
}, IntPtr.Zero);
AddAdditionalInfos(col);
}
catch (System.Exception e)
{
Debug.LogError(e);
}
return(col);
}
