'Declaration Public Overloads Function DoesDateRangeHaveActivity( _ ByVal startDateTime As Date, _ ByVal endDateTime As Date, _ ByVal useTime As Boolean _ ) As Boolean
public bool DoesDateRangeHaveActivity( DateTime startDateTime, DateTime endDateTime, bool useTime )
Notes, Appointments, and Holidays are collectively referred to as 'activities'.
Imports Infragistics.Win Imports Infragistics.Win.UltraWinSchedule Imports System.IO Imports System.Globalization Private Sub button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles button1.Click ' Set the 'useTime' parameter to false so that the method checks for activity ' that occurs at any time from midnight to 11:59:59PM Dim todayHasAnyActivity As Boolean = Me.ultraCalendarInfo1.DoesDateRangeHaveActivity(DateTime.Today.Date.AddHours(9.0F), DateTime.Today.Date.AddHours(9.5F), False) ' Set the 'useTime' parameter to true so that the method only checks for activity ' that occurs between the hours specified by the start and end time (9 and 9:30AM). Dim todayHasWorkingHourActivity As Boolean = Me.ultraCalendarInfo1.DoesDateRangeHaveActivity(DateTime.Today.Date.AddHours(9.0F), DateTime.Today.Date.AddHours(9.5F), True) ' Display the activity status for the current day Dim info As String = String.Empty If (Not todayHasAnyActivity And Not todayHasWorkingHourActivity) Then info += "There is no activity for " + DateTime.Today.ToLongDateString() + "." + vbCrLf Else If (todayHasAnyActivity) Then info += "There is activity for " + DateTime.Today.ToLongDateString() + "." + vbCrLf If (todayHasWorkingHourActivity) Then info += "There is activity between the hours of 9AM and 9:30AM for " + DateTime.Today.ToLongDateString() + "." + vbCrLf End If End If End If MessageBox.Show(info, "DoesDateRangeHaveActivity", MessageBoxButtons.OK) End Sub
using System.Diagnostics; using Infragistics.Win; using Infragistics.Win.UltraWinSchedule; using System.IO; using System.Globalization; private void button1_Click(object sender, System.EventArgs e) { // Set the 'useTime' parameter to false so that the method checks for activity // that occurs at any time from midnight to 11:59:59PM bool todayHasAnyActivity = this.ultraCalendarInfo1.DoesDateRangeHaveActivity( DateTime.Today.Date.AddHours( 9.0F ), DateTime.Today.Date.AddHours( 9.5F ), false ); // Set the 'useTime' parameter to true so that the method only checks for activity // that occurs between the hours specified by the start and end time (9 and 9:30AM). bool todayHasWorkingHourActivity = this.ultraCalendarInfo1.DoesDateRangeHaveActivity( DateTime.Today.Date.AddHours( 9.0F ), DateTime.Today.Date.AddHours( 9.5F ), true ); // Display the activity status for the current day string info = string.Empty; if ( ! todayHasAnyActivity && ! todayHasWorkingHourActivity ) info += "There is no activity for " + DateTime.Today.ToLongDateString() + "." + "\n"; else { if ( todayHasAnyActivity ) info += "There is activity for " + DateTime.Today.ToLongDateString() + "." + "\n"; if ( todayHasWorkingHourActivity ) info += "There is activity between the hours of 9AM and 9:30AM for " + DateTime.Today.ToLongDateString() + "." + "\n"; } MessageBox.Show( info, "DoesDateRangeHaveActivity", MessageBoxButtons.OK ); }
Target Platforms: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Server 2012, Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2