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1.通過Graphics類獲取
Graphics currentGraphics = Graphics.FromHwnd(new WindowInteropHelper(mainWindow).Handle); double dpixRatio = currentGraphics.DpiX/96;
比如當前屏幕設置DPI設置1.5倍,可以通過如上通過后臺獲取。
2.通過Win32-ManagementClass
using (ManagementClass mc = new ManagementClass("Win32_DesktopMonitor")) { using (ManagementObjectCollection moc = mc.GetInstances()) { int PixelsPerXLogicalInch = 0; // dpi for x int PixelsPerYLogicalInch = 0; // dpi for y foreach (ManagementObject each in moc) { PixelsPerXLogicalInch = int.Parse((each.Properties["PixelsPerXLogicalInch"].Value.ToString())); PixelsPerYLogicalInch = int.Parse((each.Properties["PixelsPerYLogicalInch"].Value.ToString())); } } }
值得一提的是,有主副屏屏幕的情況下,是獲取不了副屏的DPI的!
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