如果你不想使用System.Windows.Forms
(或不能),您可以使用 Windows API 函数获取屏幕分辨率EnumDisplaySettings https://learn.microsoft.com/en-us/windows/desktop/api/winuser/nf-winuser-enumdisplaysettingsw.
要调用 WinAPI 函数,您可以使用 .NET Core 上也提供的 P/Invoke 功能。请注意,这仅适用于 Windows 系统,因为非 Windows 目标上没有 WinAPI。
函数声明如下:
[DllImport("user32.dll")]
static extern bool EnumDisplaySettings(string deviceName, int modeNum, ref DEVMODE devMode);
您还需要 WinAPIDEVMODE
结构体定义:
[StructLayout(LayoutKind.Sequential)]
struct DEVMODE
{
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
public string dmDeviceName;
public short dmSpecVersion;
public short dmDriverVersion;
public short dmSize;
public short dmDriverExtra;
public int dmFields;
public int dmPositionX;
public int dmPositionY;
public int dmDisplayOrientation;
public int dmDisplayFixedOutput;
public short dmColor;
public short dmDuplex;
public short dmYResolution;
public short dmTTOption;
public short dmCollate;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = 0x20)]
public string dmFormName;
public short dmLogPixels;
public int dmBitsPerPel;
public int dmPelsWidth;
public int dmPelsHeight;
public int dmDisplayFlags;
public int dmDisplayFrequency;
public int dmICMMethod;
public int dmICMIntent;
public int dmMediaType;
public int dmDitherType;
public int dmReserved1;
public int dmReserved2;
public int dmPanningWidth;
public int dmPanningHeight;
}
实际上,您不需要该结构的大部分字段。有趣的是dmPelsWidth
and dmPelsHeight
.
像这样调用该函数:
const int ENUM_CURRENT_SETTINGS = -1;
DEVMODE devMode = default;
devMode.dmSize = (short)Marshal.SizeOf(devMode);
EnumDisplaySettings(null, ENUM_CURRENT_SETTINGS, ref devMode);
现在您可以在中检查屏幕分辨率dmPelsWidth
and dmPelsHeight
的领域devMode
struct.
由于我们指定null
作为第一个参数,该函数描述调用线程正在运行的计算机上的当前显示设备。