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IsFormVisible プロパティ

関連付けられた Form が表示されている場合、True を返します。
シンタックス
'宣言
 
Public ReadOnly Property IsFormVisible As Boolean
public bool IsFormVisible {get;}
使用例
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinTabs
Imports Infragistics.Win.UltraWinTabbedMdi

Private Sub MoveToNewGroup()
    ' get the tab associated with the active form
    Dim activeTab As MdiTab = Me.ultraTabbedMdiManager1.ActiveTab

    ' if there isn't one or the form is being closed or hidden,
    ' skip it
    If activeTab Is Nothing Or Not activeTab.IsFormVisible Then
        Return
    End If

    ' Create a new tab group at the end and move the
    ' active tab to it. The following statements will 
    ' perform the same action. The overloads that 
    ' accept an MdiTabGroupPosition can be used to have 
    ' the new group created at the beginning or before/after 
    ' the current tab group.
    '
    'Me.ultraTabbedMdiManager1.MoveToNewGroup(activeTab, MdiTabGroupPosition.Last)
    'Me.ultraTabbedMdiManager1.MoveToNewGroup(activeTab)
    'activeTab.MoveToNewGroup(MdiTabGroupPosition.Last)
    If Me.ultraTabbedMdiManager1.CanCreateNewGroup Then
        activeTab.MoveToNewGroup()
    End If
End Sub

Private Sub MoveToNextGroup()
    ' get the tab associated with the active form
    Dim activeTab As MdiTab = Me.ultraTabbedMdiManager1.ActiveTab

    ' if there isn't one or the form is being closed or hidden,
    ' skip it
    If activeTab Is Nothing Or Not activeTab.IsFormVisible Then
        Return
    End If

    ' Move the currently active tab to the next group.
    ' The following statement performs the same action.
    ' 
    'Me.ultraTabbedMdiManager1.MoveToGroup(activeTab, MdiTabGroupPosition.Next)
    activeTab.MoveToGroup(MdiTabGroupPosition.Next)
End Sub

Private Sub MoveToPreviousGroup()
    ' get the tab associated with the active form
    Dim activeTab As MdiTab = Me.ultraTabbedMdiManager1.ActiveTab

    ' if there isn't one or the form is being closed or hidden,
    ' skip it
    If activeTab Is Nothing Or Not activeTab.IsFormVisible Then
        Return
    End If

    ' Move the currently active tab to the next group.
    ' The following statement performs the same action.
    ' 
    'Me.ultraTabbedMdiManager1.MoveToGroup(activeTab, MdiTabGroupPosition.Previous)
    activeTab.MoveToGroup(MdiTabGroupPosition.Previous)

End Sub
using Infragistics.Win;
using Infragistics.Win.UltraWinTabs;
using Infragistics.Win.UltraWinTabbedMdi;

private void MoveToNewGroup()
{
	// get the tab associated with the active form
	MdiTab activeTab = this.ultraTabbedMdiManager1.ActiveTab;

	// if there isn't one or the form is being closed or hidden,
	// skip it
	if (activeTab == null || !activeTab.IsFormVisible)
		return;

	// Create a new tab group at the end and move the
	// active tab to it. The following statements will 
	// perform the same action. The overloads that 
	// accept an MdiTabGroupPosition can be used to have 
	// the new group created at the beginning or before/after 
	// the current tab group.
	//
	//this.ultraTabbedMdiManager1.MoveToNewGroup(activeTab, MdiTabGroupPosition.Last);
	//this.ultraTabbedMdiManager1.MoveToNewGroup(activeTab);
	//activeTab.MoveToNewGroup(MdiTabGroupPosition.Last);
	if (this.ultraTabbedMdiManager1.CanCreateNewGroup)
		activeTab.MoveToNewGroup();
}

private void MoveToNextGroup()
{
	// get the tab associated with the active form
	MdiTab activeTab = this.ultraTabbedMdiManager1.ActiveTab;

	// if there isn't one or the form is being closed or hidden,
	// skip it
	if (activeTab == null || !activeTab.IsFormVisible)
		return;

	// Move the currently active tab to the next group.
	// The following statement performs the same action.
	// 
	//this.ultraTabbedMdiManager1.MoveToGroup(activeTab, MdiTabGroupPosition.Next);
	activeTab.MoveToGroup(MdiTabGroupPosition.Next);
}

private void MoveToPreviousGroup()
{
	// get the tab associated with the active form
	MdiTab activeTab = this.ultraTabbedMdiManager1.ActiveTab;

	// if there isn't one or the form is being closed or hidden,
	// skip it
	if (activeTab == null || !activeTab.IsFormVisible)
		return;

	// Move the currently active tab to the next group.
	// The following statement performs the same action.
	// 
	//this.ultraTabbedMdiManager1.MoveToGroup(activeTab, MdiTabGroupPosition.Previous);
	activeTab.MoveToGroup(MdiTabGroupPosition.Previous);

}
参照