internal static Dpi Create(IntPtr hMonitor)
{
uint dpiX = 0;
uint dpiY = 0;
return(MultiMonitorNativeMethods.GetDpiForMonitor(hMonitor, MONITOR_DPI_TYPE.MDT_DEFAULT, ref dpiX, ref dpiY) == IntPtr.Zero ? new Dpi((int)dpiX, (int)dpiY) : Default);
}
public IEnumerator <Screen> GetEnumerator()
{
this.monitors = new List <Screen>();
MultiMonitorNativeMethods.EnumDisplayMonitors(IntPtr.Zero, IntPtr.Zero, EnumMonitors, IntPtr.Zero);
return(this.monitors.GetEnumerator());
}
/// <summary>
/// 指定した座標が含まれるスクリーンを取得します。
/// </summary>
/// <param name="point">検査する座標。</param>
/// <returns>スクリーン情報。</returns>
public static Screen FromPoint(Point point)
{
var pt = new POINT
{
X = (int)point.X,
Y = (int)point.Y,
};
var hMonitor = MultiMonitorNativeMethods.MonitorFromPoint(pt, MonitorFlags.MONITOR_DEFAULTTONEAREST);
return(Screen.Create(hMonitor));
}
/// <summary>
/// 指定した四角形が含まれるスクリーンを取得します。
/// </summary>
/// <param name="rect">検査する四角形</param>
/// <returns>スクリーン情報。</returns>
public static Screen FromRectangle(Rect rect)
{
var rc = new RECT
{
Left = (int)rect.Left,
Right = (int)rect.Right,
Top = (int)rect.Top,
Bottom = (int)rect.Bottom,
};
var hMonitor = MultiMonitorNativeMethods.MonitorFromRect(ref rc, MonitorFlags.MONITOR_DEFAULTTONEAREST);
return(Screen.Create(hMonitor));
}
internal static Screen Create(IntPtr hMonitor)
{
var monitorInfo = MONITORINFOEX.Create();
var success = MultiMonitorNativeMethods.GetMonitorInfo(hMonitor, ref monitorInfo);
if (!success)
{
return(null);
}
var dpi = Dpi.Create(hMonitor);
return(new Screen(hMonitor)
{
DeviceName = monitorInfo.szDevice,
IsPrimary = monitorInfo.dwFlags == MultiMonitorNativeMethods.MONITORINFOF_PRIMARY,
Dpi = dpi,
Bounds = CreateRect(monitorInfo.rcMonitor, dpi),
WorkingArea = CreateRect(monitorInfo.rcWork, dpi)
});
}
/// <summary>
/// 指定したウィンドウが表示されているスクリーンを取得します。
/// </summary>
/// <param name="windowHandle">ウィンドウハンドル。</param>
/// <returns>スクリーン情報。</returns>
internal static Screen FromHandle(IntPtr windowHandle)
{
var hMonitor = MultiMonitorNativeMethods.MonitorFromWindow(windowHandle, MonitorFlags.MONITOR_DEFAULTTONEAREST);
return(Screen.Create(hMonitor));
}
