Version

InViewColumns Property

Returns the collection of columns that are currently in view.
Syntax
'Declaration
 
Public ReadOnly Property InViewColumns As InViewColumnsCollection
public InViewColumnsCollection InViewColumns {get;}
Example
This code sample demonstrates how the UltraDayView control can be configured to display multiple calendars.

Imports Infragistics.Win
Imports Infragistics.Win.UltraWinSchedule

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        '	Add some owners to the UltraCalendarInfo's Owners collection
        Me.UltraCalendarInfo1.Owners.Add("stan", "Stan Marsh")
        Me.UltraCalendarInfo1.Owners.Add("kyle", "Kyle Broflovski")
        Me.UltraCalendarInfo1.Owners.Add("cartman", "Eric Cartman")
        Me.UltraCalendarInfo1.Owners.Add("kenny", "Kenny McCormick")

        '	Hide the 'unassigned owner', so that only the owners we added
        '	to the collection are displayed by any attached controls
        Me.UltraCalendarInfo1.Owners.UnassignedOwner.Visible = False

        '	Associate the UltraDayView control with the UltraCalendarInfo
        '	that we just added the owners to
        Me.UltraDayView1.CalendarInfo = Me.UltraCalendarInfo1

        '	Set the 'GroupingStyle' property to 'DateWithinOwner'
        '	so that the owner's header is displayed above the day headers
        Me.UltraDayView1.GroupingStyle = DayViewGroupingStyle.DateWithinOwner

        '	Set the 'ColumnScrolling' property to 'GroupScrollButtonsOnly'
        '	so the end user can navigate between owners without the
        '	need for a scrollbar
        Me.UltraDayView1.ColumnScrolling = DayViewColumnScrolling.GroupScrollButtonsOnly

        '	Set the 'AllowColumnResizing' property to true so that the
        '	end user can resize columns
        Me.UltraDayView1.AllowColumnResizing = DefaultableBoolean.True

        '	Set the 'MinimumColumnWidth' property to 150 to prevent the columns
        '	from becoming too narrow when the user resizes them
        Me.UltraDayView1.MinimumColumnWidth = 150

        '	Set the 'MaximumVisibleDays' property to 1 so that only one
        '	day is displayed at a time, regardless of the number of days
        '	that are selected.
        Me.UltraDayView1.MaximumVisibleDays = 1

        '	Set the 'PreferredColumnWidth' property to 150 so the columns
        '	start off with that initial width
        Me.UltraDayView1.PreferredColumnWidth = 150

        '	Set the 'ShowOwnerHeader' property to true so that the
        '	owners' headers are displayed
        Me.UltraDayView1.ShowOwnerHeader = DefaultableBoolean.True

        '	Use the 'EnsureColumnInView' method to bring a particular owner
        '	column into view. We'll specify true for the 'forceFirst' parameter
        '	so that the owner is displayed in the leftmost column.
        '
        '	Also, we'll use the 'IsColumnInView' method to determine whether the
        '	column is already in view before proceeding.
        Dim cartman As Infragistics.Win.UltraWinSchedule.Owner
        cartman = Me.UltraCalendarInfo1.Owners("cartman")
        If Me.UltraDayView1.IsColumnInView(DateTime.Today, cartman) = False Then
            Me.UltraDayView1.EnsureColumnInView(DateTime.Today, cartman, True)
        End If


        '	Get the first column displayed by the control via the 'InViewColumns'
        '	collection. We'll use the 'InViewColumnCount' property to verify that
        '	we have at least one column in view.
        If Me.UltraDayView1.InViewColumnCount >= 1 Then
            '	Get a reference to the InViewColumn
            Dim column As InViewColumn = Me.UltraDayView1.InViewColumns(0)

            '	Display some information about the InViewColumn in the debugger's output window
            Debug.WriteLine("The first in-view column's index is " + column.Index.ToString())
            Debug.WriteLine("The first in-view column's logical index is " + column.LogicalIndex.ToString())
            Debug.WriteLine("The first in-view column's date is " + column.Date.ToShortDateString())
            Debug.WriteLine("The first in-view column's owner is '" + column.Owner.Name + "'")
        End If

    End Sub
using Infragistics.Win;
using Infragistics.Win.UltraWinSchedule;
using System.Diagnostics;

		private void Button1_Click(object sender, System.EventArgs e)
		{
			//	Add some owners to the UltraCalendarInfo's Owners collection
			this.ultraCalendarInfo1.Owners.Add( "stan", "Stan Marsh" );
			this.ultraCalendarInfo1.Owners.Add( "kyle", "Kyle Broflovski" );
			this.ultraCalendarInfo1.Owners.Add( "cartman", "Eric Cartman" );
			this.ultraCalendarInfo1.Owners.Add( "kenny", "Kenny McCormick" );

			//	Hide the 'unassigned owner', so that only the owners we added
			//	to the collection are displayed by any attached controls
			this.ultraCalendarInfo1.Owners.UnassignedOwner.Visible = false;

			//	Associate the UltraDayView control with the UltraCalendarInfo
			//	that we just added the owners to
			this.ultraDayView1.CalendarInfo = this.ultraCalendarInfo1;

			//	Set the 'GroupingStyle' property to 'DateWithinOwner'
			//	so that the owner's header is displayed above the day headers
			this.ultraDayView1.GroupingStyle = DayViewGroupingStyle.DateWithinOwner;

			//	Set the 'ColumnScrolling' property to 'GroupScrollButtonsOnly'
			//	so the end user can navigate between owners without the
			//	need for a scrollbar
			this.ultraDayView1.ColumnScrolling = DayViewColumnScrolling.GroupScrollButtonsOnly;

			//	Set the 'AllowColumnResizing' property to true so that the
			//	end user can resize columns
			this.ultraDayView1.AllowColumnResizing = DefaultableBoolean.True;

			//	Set the 'MinimumColumnWidth' property to 150 to prevent the columns
			//	from becoming too narrow when the user resizes them
			this.ultraDayView1.MinimumColumnWidth = 150;

			//	Set the 'MaximumVisibleDays' property to 1 so that only one
			//	day is displayed at a time, regardless of the number of days
			//	that are selected.
			this.ultraDayView1.MaximumVisibleDays = 1;

			//	Set the 'PreferredColumnWidth' property to 150 so the columns
			//	start off with that initial width
			this.ultraDayView1.PreferredColumnWidth = 150;

			//	Set the 'ShowOwnerHeader' property to true so that the
			//	owners' headers are displayed
			this.ultraDayView1.ShowOwnerHeader = DefaultableBoolean.True;

			//	Use the 'EnsureColumnInView' method to bring a particular owner
			//	column into view. We'll specify true for the 'forceFirst' parameter
			//	so that the owner is displayed in the leftmost column.
			//
			//	Also, we'll use the 'IsColumnInView' method to determine whether the
			//	column is already in view before proceeding.
			Infragistics.Win.UltraWinSchedule.Owner cartman = this.ultraCalendarInfo1.Owners[ "cartman" ];
			if ( this.ultraDayView1.IsColumnInView(DateTime.Today, cartman) == false )
				this.ultraDayView1.EnsureColumnInView( DateTime.Today, cartman, true );


			//	Get the first column displayed by the control via the 'InViewColumns'
			//	collection. We'll use the 'InViewColumnCount' property to verify that
			//	we have at least one column in view.
			if ( this.ultraDayView1.InViewColumnCount >= 1 )
			{
				//	Get a reference to the InViewColumn
				InViewColumn column = this.ultraDayView1.InViewColumns[0];

				//	Display some information about the InViewColumn in the debugger's output window
				Debug.WriteLine( "The first in-view column's index is " + column.Index.ToString() );
				Debug.WriteLine( "The first in-view column's logical index is " + column.LogicalIndex.ToString() );
				Debug.WriteLine( "The first in-view column's date is " + column.Date.ToShortDateString() );
				Debug.WriteLine( "The first in-view column's owner is '" + column.Owner.Name + "'" );
			}

		}
Requirements

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

See Also