public static extern bool EnumDisplayDevices(string lpDevice, uint iDevNum, ref DisplayDevice lpDisplayDevice, DisplayDeviceStateFlags dwFlags);
public FREObject GetDisplayDevices(FREContext ctx, uint argc, FREObject[] argv)
{
var tmp = new FREObject().Init("Vector.<com.tuarua.DisplayDevice>", null);
var vecDisplayDevices = new FREArray(tmp);
var dd = new DisplayDevice();
dd.cb = Marshal.SizeOf(dd);
_displayDeviceMap.Clear();
try {
uint index = 0;
uint cnt = 0;
while (WinApi.EnumDisplayDevices(null, index++, ref dd, 0))
{
var displayDevice = new FREObject().Init("com.tuarua.DisplayDevice", null);
var displayMonitor = new FREObject().Init("com.tuarua.Monitor", null);
displayDevice.SetProp("isPrimary",
dd.StateFlags.HasFlag(DisplayDeviceStateFlags.PrimaryDevice));
displayDevice.SetProp("isActive",
dd.StateFlags.HasFlag(DisplayDeviceStateFlags.AttachedToDesktop));
displayDevice.SetProp("isRemovable", dd.StateFlags.HasFlag(DisplayDeviceStateFlags.Removable));
displayDevice.SetProp("isVgaCampatible",
dd.StateFlags.HasFlag(DisplayDeviceStateFlags.VgaCompatible));
var monitor = new DisplayDevice();
monitor.cb = Marshal.SizeOf(monitor);
if (!WinApi.EnumDisplayDevices(dd.DeviceName, index - 1, ref monitor, 0))
{
continue;
}
var dm = new Devmode();
dm.dmSize = (short)Marshal.SizeOf(dm);
if (WinApi.EnumDisplaySettings(dd.DeviceName, WinApi.EnumCurrentSettings, ref dm) == 0)
{
continue;
}
var availdm = new Devmode();
availdm.dmSize = (short)Marshal.SizeOf(availdm);
IList <DisplaySettings> availableDisplaySettings = new List <DisplaySettings>();
var freAvailableDisplaySettings = new FREArray(displayDevice.GetProp("availableDisplaySettings"));
uint cntAvailableSettings = 0;
for (var iModeNum = 0;
WinApi.EnumDisplaySettings(dd.DeviceName, iModeNum, ref availdm) != 0;
iModeNum++)
{
var settings = new DisplaySettings {
Width = availdm.dmPelsWidth,
Height = availdm.dmPelsHeight,
BitDepth = Convert.ToInt32(availdm.dmBitsPerPel),
RefreshRate = availdm.dmDisplayFrequency
};
if (HasDisplaySetting(availableDisplaySettings, settings))
{
continue;
}
availableDisplaySettings.Add(settings);
var displaySettings = new FREObject().Init("com.tuarua.DisplaySettings", null);
displaySettings.SetProp("width", availdm.dmPelsWidth);
displaySettings.SetProp("height", availdm.dmPelsHeight);
displaySettings.SetProp("refreshRate", availdm.dmDisplayFrequency);
displaySettings.SetProp("bitDepth", Convert.ToInt32(availdm.dmBitsPerPel));
freAvailableDisplaySettings.Set(cntAvailableSettings, displaySettings);
cntAvailableSettings++;
}
displayMonitor.SetProp("friendlyName", monitor.DeviceString);
displayMonitor.SetProp("name", monitor.DeviceName);
displayMonitor.SetProp("id", monitor.DeviceID);
displayMonitor.SetProp("key", monitor.DeviceKey);
displayDevice.SetProp("friendlyName", dd.DeviceString);
displayDevice.SetProp("name", dd.DeviceName);
displayDevice.SetProp("id", dd.DeviceID);
displayDevice.SetProp("key", dd.DeviceKey);
var currentDisplaySettings = new FREObject().Init("com.tuarua.DisplaySettings", null);
currentDisplaySettings.SetProp("width", dm.dmPelsWidth);
currentDisplaySettings.SetProp("height", dm.dmPelsHeight);
currentDisplaySettings.SetProp("refreshRate", dm.dmDisplayFrequency);
currentDisplaySettings.SetProp("bitDepth", Convert.ToInt32(dm.dmBitsPerPel));
displayDevice.SetProp("currentDisplaySettings", currentDisplaySettings);
displayDevice.SetProp("monitor", displayMonitor);
vecDisplayDevices.Set(cnt, displayDevice);
_displayDeviceMap.Add(dd.DeviceKey, dd);
cnt++;
}
}
catch (Exception e) {
Trace("ERROR: " + e);
}
return(vecDisplayDevices.RawValue);
}
