public static List <DisplayAdapterMonitorInfo> GetAllMonitorsForDisplayAdapter(String displayAdapterName)
{
var result = new List <DisplayAdapterMonitorInfo>();
var displayAdapterNameAsCharArray = ConvertStringToNullTerminatedCharArray(displayAdapterName);
// get the monitors associated with this display adapter
UInt32 iMonitor = 0;
//
var success = true;
while (success == true)
{
var cDisplayDevice = new WindowsApi.DISPLAY_DEVICEW();
cDisplayDevice.Init();
success = WindowsApi.EnumDisplayDevices_Monitor(displayAdapterNameAsCharArray, iMonitor, ref cDisplayDevice, 0);
if (success == false)
{
break;
}
var monitorDeviceNameAsString = Display.ConvertCharArrayToString(cDisplayDevice.DeviceName);
var monitorDeviceStringAsString = Display.ConvertCharArrayToString(cDisplayDevice.DeviceString);
var monitorStateFlags = (UInt32)cDisplayDevice.StateFlags;
Boolean isAttached = false;
if ((monitorStateFlags & (UInt32)WindowsApi.ChildDisplayDeviceStateFlags.DISPLAY_DEVICE_ATTACHED) != 0)
{
isAttached = true;
}
// if the monitor is not attached, do not include it in the enumeration; we may modify this logic in the future if/as desired
if (isAttached == false)
{
iMonitor += 1;
continue;
}
Boolean isActive = false;
if ((monitorStateFlags & (UInt32)WindowsApi.ChildDisplayDeviceStateFlags.DISPLAY_DEVICE_ACTIVE) != 0)
{
isActive = true;
}
var monitorInfo = new DisplayAdapterMonitorInfo(monitorDeviceNameAsString, monitorDeviceStringAsString, isActive);
result.Add(monitorInfo);
iMonitor += 1;
}
return(result);
}
public static List <DisplayAdapterInfo> GetAllDisplayAdapters()
{
var result = new List <DisplayAdapterInfo>();
// get a list of all display adapters
UInt32 iDisplayAdapter = 0;
//
var success = true;
while (success == true)
{
var cDisplayDevice = new WindowsApi.DISPLAY_DEVICEW();
cDisplayDevice.Init();
success = WindowsApi.EnumDisplayDevices_DisplayAdapter(IntPtr.Zero, iDisplayAdapter, ref cDisplayDevice, 0);
if (success == false)
{
break;
}
// verify that the device is attached to the desktop
if ((UInt32)(cDisplayDevice.StateFlags & WindowsApi.DisplayDeviceStateFlags.DISPLAY_DEVICE_ATTACHED_TO_DESKTOP) == 0)
{
iDisplayAdapter += 1;
continue;
}
// verify that the device is not a mirroring psuedodevice
if ((UInt32)(cDisplayDevice.StateFlags & WindowsApi.DisplayDeviceStateFlags.DISPLAY_DEVICE_MIRRORING_DRIVER) != 0)
{
iDisplayAdapter += 1;
continue;
}
var deviceNameAsCharArray = cDisplayDevice.DeviceName;
var deviceNameAsString = ConvertCharArrayToString(deviceNameAsCharArray);
var isPrimaryDisplayAdapter = false;
if ((UInt32)(cDisplayDevice.StateFlags & WindowsApi.DisplayDeviceStateFlags.DISPLAY_DEVICE_PRIMARY_DEVICE) != 0)
{
isPrimaryDisplayAdapter = true;
}
var displayAdapterInfo = new DisplayAdapterInfo(deviceNameAsString, isPrimaryDisplayAdapter);
result.Add(displayAdapterInfo);
iDisplayAdapter += 1;
}
return(result);
}
