/// <summary>
/// DateTime→SYSTEMTIME変換。
/// </summary>
/// <param name="time">DateTime。</param>
/// <returns>SYSTEMTIME。</returns>
internal static SYSTEMTIME ToSYSTEMTIME(DateTime time)
{
SYSTEMTIME system = new SYSTEMTIME();
time = time.ToLocalTime();
system.Year = Convert.ToInt16(time.Year);
system.Month = Convert.ToInt16(time.Month);
system.DayOfWeek = Convert.ToInt16(time.DayOfWeek);
system.Day = Convert.ToInt16(time.Day);
system.Hour = Convert.ToInt16(time.Hour);
system.Minute = Convert.ToInt16(time.Minute);
system.Second = Convert.ToInt16(time.Second);
system.Milliseconds = Convert.ToInt16(time.Millisecond);
return system;
}
/// <summary>
/// SYSTEMTIME→DateTime変換。
/// </summary>
/// <param name="time">SYSTEMTIME。</param>
/// <returns>DateTime。</returns>
internal static DateTime ToDateTime(SYSTEMTIME time)
{
return new DateTime(time.Year, time.Month, time.Day, time.Hour, time.Minute, time.Second, time.Milliseconds, DateTimeKind.Local);
}
/// <summary>
/// 現在の選択日付を設定します。
/// MCN_SELCHANGE、MCN_SELECTの通知が発生します。
/// </summary>
/// <param name="handle">ウィンドウハンドル。</param>
/// <param name="min">最小日付。</param>
/// <param name="max">最大日付。</param>
private static void EmulateSelectDayInTarget(IntPtr handle, DateTime min, DateTime max)
{
NativeMethods.SetFocus(handle);
SYSTEMTIME[] sysTimes = new SYSTEMTIME[] { NativeDataUtility.ToSYSTEMTIME(min), NativeDataUtility.ToSYSTEMTIME(max) };
NativeMethods.SendMessage(handle, MCM_SETSELRANGE, IntPtr.Zero, sysTimes);
//通知
foreach (int message in new int[] { MCN_SELCHANGE, MCN_SELECT })
{
NMSELCHANGE notify = new NMSELCHANGE();
EmulateUtility.InitNotify(handle, message, ref notify.nmhdr);
notify.stSelStart = sysTimes[0];
notify.stSelEnd = sysTimes[1];
NativeMethods.SendMessage(NativeMethods.GetParent(handle), NativeCommonDefine.WM_NOTIFY, notify.nmhdr.idFrom, ref notify);
}
}
/// <summary>
/// ユーザーによって現在選択されている日付範囲を取得します。
/// 複数選択の場合に使用します。
/// </summary>
/// <param name="handle">ウィンドウハンドル。</param>
/// <param name="minMax">最小日付、最大日付。</param>
/// <returns>成否。</returns>
private static bool GetSelectionRangeInTarget(IntPtr handle, SYSTEMTIME[] minMax)
{
return NativeDataUtility.ToBool(NativeMethods.SendMessage(handle, MCM_GETSELRANGE, IntPtr.Zero, minMax));
}