private void SetRange(DateTime min, DateTime max)
{
if (base.IsHandleCreated)
{
int wParam = 0;
System.Windows.Forms.NativeMethods.SYSTEMTIMEARRAY lParam = new System.Windows.Forms.NativeMethods.SYSTEMTIMEARRAY();
wParam |= 3;
System.Windows.Forms.NativeMethods.SYSTEMTIME systemtime = DateTimeToSysTime(min);
lParam.wYear1 = systemtime.wYear;
lParam.wMonth1 = systemtime.wMonth;
lParam.wDayOfWeek1 = systemtime.wDayOfWeek;
lParam.wDay1 = systemtime.wDay;
lParam.wHour1 = systemtime.wHour;
lParam.wMinute1 = systemtime.wMinute;
lParam.wSecond1 = systemtime.wSecond;
lParam.wMilliseconds1 = systemtime.wMilliseconds;
systemtime = DateTimeToSysTime(max);
lParam.wYear2 = systemtime.wYear;
lParam.wMonth2 = systemtime.wMonth;
lParam.wDayOfWeek2 = systemtime.wDayOfWeek;
lParam.wDay2 = systemtime.wDay;
lParam.wHour2 = systemtime.wHour;
lParam.wMinute2 = systemtime.wMinute;
lParam.wSecond2 = systemtime.wSecond;
lParam.wMilliseconds2 = systemtime.wMilliseconds;
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x1004, wParam, lParam);
}
}
private void ResetValue()
{
this.value = DateTime.Now;
this.userHasSetValue = false;
if (base.IsHandleCreated)
{
int wParam = 0;
System.Windows.Forms.NativeMethods.SYSTEMTIME lParam = DateTimeToSysTime(this.value);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x1002, wParam, lParam);
}
this.Checked = false;
this.OnValueChanged(EventArgs.Empty);
this.OnTextChanged(EventArgs.Empty);
}
protected override void CreateHandle()
{
if (!base.RecreatingHandle)
{
IntPtr userCookie = System.Windows.Forms.UnsafeNativeMethods.ThemingScope.Activate();
try
{
System.Windows.Forms.NativeMethods.INITCOMMONCONTROLSEX icc = new System.Windows.Forms.NativeMethods.INITCOMMONCONTROLSEX {
dwICC = 0x100
};
System.Windows.Forms.SafeNativeMethods.InitCommonControlsEx(icc);
}
finally
{
System.Windows.Forms.UnsafeNativeMethods.ThemingScope.Deactivate(userCookie);
}
}
this.creationTime = DateTime.Now;
base.CreateHandle();
if (this.userHasSetValue && this.validTime)
{
int wParam = 0;
System.Windows.Forms.NativeMethods.SYSTEMTIME lParam = DateTimeToSysTime(this.Value);
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x1002, wParam, lParam);
}
else if (!this.validTime)
{
int num2 = 1;
System.Windows.Forms.NativeMethods.SYSTEMTIME systemtime2 = null;
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x1002, num2, systemtime2);
}
if (this.format == DateTimePickerFormat.Custom)
{
base.SendMessage(System.Windows.Forms.NativeMethods.DTM_SETFORMAT, 0, this.customFormat);
}
this.UpdateUpDown();
this.SetAllControlColors();
this.SetControlCalendarFont();
this.SetRange();
}
public HitTestInfo HitTest(int x, int y)
{
System.Windows.Forms.NativeMethods.MCHITTESTINFO lParam = new System.Windows.Forms.NativeMethods.MCHITTESTINFO {
pt_x = x,
pt_y = y,
cbSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.MCHITTESTINFO))
};
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x100e, 0, lParam);
HitArea hitArea = this.GetHitArea(lParam.uHit);
if (HitTestInfo.HitAreaHasValidDateTime(hitArea))
{
System.Windows.Forms.NativeMethods.SYSTEMTIME s = new System.Windows.Forms.NativeMethods.SYSTEMTIME {
wYear = lParam.st_wYear,
wMonth = lParam.st_wMonth,
wDayOfWeek = lParam.st_wDayOfWeek,
wDay = lParam.st_wDay,
wHour = lParam.st_wHour,
wMinute = lParam.st_wMinute,
wSecond = lParam.st_wSecond,
wMilliseconds = lParam.st_wMilliseconds
};
return new HitTestInfo(new Point(lParam.pt_x, lParam.pt_y), hitArea, DateTimePicker.SysTimeToDateTime(s));
}
return new HitTestInfo(new Point(lParam.pt_x, lParam.pt_y), hitArea);
}
private System.Windows.Forms.SelectionRange GetMonthRange(int flag)
{
System.Windows.Forms.NativeMethods.SYSTEMTIMEARRAY lParam = new System.Windows.Forms.NativeMethods.SYSTEMTIMEARRAY();
System.Windows.Forms.SelectionRange range = new System.Windows.Forms.SelectionRange();
System.Windows.Forms.UnsafeNativeMethods.SendMessage(new HandleRef(this, base.Handle), 0x1007, flag, lParam);
System.Windows.Forms.NativeMethods.SYSTEMTIME s = new System.Windows.Forms.NativeMethods.SYSTEMTIME {
wYear = lParam.wYear1,
wMonth = lParam.wMonth1,
wDayOfWeek = lParam.wDayOfWeek1,
wDay = lParam.wDay1
};
range.Start = DateTimePicker.SysTimeToDateTime(s);
s.wYear = lParam.wYear2;
s.wMonth = lParam.wMonth2;
s.wDayOfWeek = lParam.wDayOfWeek2;
s.wDay = lParam.wDay2;
range.End = DateTimePicker.SysTimeToDateTime(s);
return range;
}
internal static DateTime SysTimeToDateTime(System.Windows.Forms.NativeMethods.SYSTEMTIME s)
{
return(new DateTime(s.wYear, s.wMonth, s.wDay, s.wHour, s.wMinute, s.wSecond));
}
