public static List <DEVMODE> GetDeviceResolutions(DISPLAY_DEVICE device, DisplaySettingsQueryMode queryMode)
{
List <DEVMODE> devModes = new List <DEVMODE>();
try
{
DEVMODE mode = new DEVMODE();
switch (queryMode)
{
case DisplaySettingsQueryMode.QueryCurrentResolution:
if (User32.EnumDisplaySettings(device.DeviceName, User32.ENUM_CURRENT_SETTINGS, ref mode))
{
devModes.Add(mode);
}
break;
case DisplaySettingsQueryMode.QueryAllSupported:
for (uint i = 0; User32.EnumDisplaySettings(device.DeviceName, i, ref mode); i++)
{
devModes.Add(mode);
}
break;
case DisplaySettingsQueryMode.QueryRegistryResolution:
if (User32.EnumDisplaySettings(device.DeviceName, User32.ENUM_REGISTRY_SETTINGS, ref mode))
{
devModes.Add(mode);
}
break;
}
}
catch { }
return(devModes);
}
protected override void ProcessRecord()
{
DisplaySettingsQueryMode d = DisplaySettingsQueryMode.QueryCurrentResolution;
switch (QueryMode)
{
case "Current": d = DisplaySettingsQueryMode.QueryCurrentResolution; break;
case "All": d = DisplaySettingsQueryMode.QueryAllSupported; break;
case "Registry": d = DisplaySettingsQueryMode.QueryRegistryResolution; break;
}
foreach (DEVMODE ds in ScreenDevice.GetDeviceResolutions(ScreenDevice.GetDesktopDeviceByName(DeviceName), d))
{
WriteObject(ds);
}
}
static void GetResolution(string[] args)
{
string deviceName = null;
DisplaySettingsQueryMode d = DisplaySettingsQueryMode.QueryCurrentResolution;
OptionSet p = new OptionSet()
{
{
"d|device=", "the {NAME} of the screen device.",
v => deviceName = v
},
{
"o|option=", "the query {OPTION}. (all, current, registry)",
v => {
switch (v.Trim().ToLower())
{
case "current": d = DisplaySettingsQueryMode.QueryCurrentResolution; break;
case "all": d = DisplaySettingsQueryMode.QueryAllSupported; break;
case "registry": d = DisplaySettingsQueryMode.QueryRegistryResolution; break;
}
}
}
};
List <string> extra;
try
{
extra = p.Parse(args);
}
catch (OptionException e)
{
Console.WriteLine("ERROR: " + e.Message);
return;
}
if (deviceName == null)
{
Console.WriteLine("ERROR: No device name has not been specified.");
return;
}
try
{
foreach (DEVMODE ds in ScreenDevice.GetDeviceResolutions(ScreenDevice.GetDesktopDeviceByName(deviceName), d))
{
Console.WriteLine(
"{0} x {1}, " +
"{2} bit, " +
"{3} hertz",
ds.dmPelsWidth,
ds.dmPelsHeight,
ds.dmBitsPerPel,
ds.dmDisplayFrequency
);
}
}
catch (User32Exception e)
{
Console.WriteLine("ERROR: " + e.Message);
return;
}
}