private DisplaySettings(
WindowsApi.DEVMODEW devmode,
UInt32 widthInPixels,
UInt32 heightInPixels,
UInt32 refreshRateInHertz,
UInt32 bitsPerPixel,
DisplayOrientation?orientation,
FixedResolutionOutputOption?fixedOutputOption,
DisplayFlags?flags,
System.Drawing.Point?position
)
{
this.devmode = devmode;
this.widthInPixels = widthInPixels;
this.heightInPixels = heightInPixels;
this.refreshRateInHertz = refreshRateInHertz;
this.bitsPerPixel = bitsPerPixel;
this.orientation = orientation;
this.fixedOutputOption = fixedOutputOption;
this.flags = flags;
this.position = position;
}
public static DisplaySettings?GetCurrentDisplaySettingsForDisplayAdapter(String displayAdapterName)
{
var displayAdapterNameAsCharArray = ConvertStringToNullTerminatedCharArray(displayAdapterName);
var success = true;
var devmode = new WindowsApi.DEVMODEW();
devmode.Init();
success = WindowsApi.EnumDisplaySettingsEx(displayAdapterNameAsCharArray, WindowsApi.ENUM_CURRENT_SETTINGS, ref devmode, 0);
if (success == false)
{
return(null);
}
var displaySettings = DisplaySettings.CreateNew(devmode);
if (displaySettings == null)
{
return(null);
}
return(displaySettings);
}
public static List <DisplaySettings> GetAllDisplaySettingsForDisplayAdapter(String displayAdapterName)
{
var result = new List <DisplaySettings>();
var displayAdapterNameAsCharArray = ConvertStringToNullTerminatedCharArray(displayAdapterName);
// get the display settings for each graphics mode of this display adapter
UInt32 iGraphicsMode = 0;
var success = true;
while (success == true)
{
var devmode = new WindowsApi.DEVMODEW();
devmode.Init();
success = WindowsApi.EnumDisplaySettingsEx(displayAdapterNameAsCharArray, iGraphicsMode, ref devmode, 0);
if (success == false)
{
break;
}
var displaySettings = DisplaySettings.CreateNew(devmode);
if (displaySettings == null)
{
iGraphicsMode += 1;
continue;
}
result.Add(displaySettings.Value);
iGraphicsMode += 1;
}
return(result);
}
internal static DisplaySettings?CreateNew(WindowsApi.DEVMODEW devmode)
{
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_PELSWIDTH) == 0)
{
return(null);
}
var widthInPixels = devmode.dmPelsWidth;
//
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_PELSHEIGHT) == 0)
{
return(null);
}
var heightInPixels = devmode.dmPelsHeight;
//
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_DISPLAYFREQUENCY) == 0)
{
return(null);
}
var refreshRateInHertz = devmode.dmDisplayFrequency;
//
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_BITSPERPEL) == 0)
{
return(null);
}
var bitsPerPixel = devmode.dmBitsPerPel;
//
DisplayOrientation?orientation = null;
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_DISPLAYORIENTATION) != 0)
{
orientation = (DisplayOrientation)devmode.DUMMYUNIONNAME.DUMMYSTRUCTNAME2.dmDisplayOrientation;
}
//
FixedResolutionOutputOption?fixedOutputOption = null;
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_DISPLAYFIXEDOUTPUT) != 0)
{
fixedOutputOption = (FixedResolutionOutputOption)devmode.DUMMYUNIONNAME.DUMMYSTRUCTNAME2.dmDisplayFixedOutput;
}
//
DisplayFlags?flags = null;
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_DISPLAYFLAGS) != 0)
{
flags = (DisplayFlags)devmode.DUMMYUNIONNAME2.dmDisplayFlags;
}
//
System.Drawing.Point?position = null;
if ((UInt32)(devmode.dmFields & WindowsApi.DM_FieldSelectionBit.DM_POSITION) != 0)
{
position = new System.Drawing.Point(devmode.DUMMYUNIONNAME.DUMMYSTRUCTNAME2.dmPosition.x, devmode.DUMMYUNIONNAME.DUMMYSTRUCTNAME2.dmPosition.y);
}
var result = new DisplaySettings(
devmode,
widthInPixels,
heightInPixels,
refreshRateInHertz,
bitsPerPixel,
orientation,
fixedOutputOption,
flags,
position
);
return(result);
}
