Component for displaying a control in a popup window.
The following sample demonstrates displaying a treeview in a popup window using the UltraPopupControlContainer component.
Imports Infragistics.Shared
Imports Infragistics.Win
Imports Infragistics.Win.Misc
Private Sub ultraPopupControlContainer1_Closed(ByVal sender As Object, ByVal e As System.EventArgs) Handles ultraPopupControlContainer1.Closed
' The Closed event is invoked when the
' popup has been closed and can be used to
' destroy the control, perform an action, etc.
System.Diagnostics.Debug.WriteLine("Closed")
End Sub
Private Sub ultraPopupControlContainer1_Opened(ByVal sender As Object, ByVal e As System.EventArgs) Handles ultraPopupControlContainer1.Opened
' The Opened event is invoked after the popup
' has been displayed and can be used to further
' initialize the popup
' For example, you can set focus to the control it displayed
'
Dim popup As UltraPopupControlContainer = CType(sender, UltraPopupControlContainer)
' the control that will be displayed can be initialized here
If Not popup.PopupControl.ContainsFocus Then
popup.PopupControl.Focus()
End If
End Sub
Private Sub ultraPopupControlContainer1_Opening(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles ultraPopupControlContainer1.Opening
Dim popup As UltraPopupControlContainer = CType(sender, UltraPopupControlContainer)
Dim tree As TreeView = Me.treeList
' the control that will be displayed can be initialized here
If Not popup.PopupControl Is tree Then
popup.PopupControl = tree
End If
' this Opening event will normally be used to initialize
' the control that will be dropped down
Me.InitializeDropDownTree(tree)
End Sub
Private Sub InitializeDropDownTree(ByVal tree As TreeView)
' initialize the tree that we will be dropping down
' clear any existing nodes
tree.Nodes.Clear()
' allow for full row selection
tree.FullRowSelect = True
tree.ShowLines = False
tree.ShowRootLines = False
' only show a single border
tree.BorderStyle = BorderStyle.FixedSingle
' create the nodes
tree.Nodes.Add("New")
tree.Nodes.Add("Open Existing")
tree.Nodes.Add("Open Recent")
' select the first node
tree.SelectedNode = tree.Nodes(0)
' size the control so it shows all the nodes
Dim top As Integer = tree.Nodes(0).Bounds.Top
Dim bottom As Integer = tree.Nodes(tree.Nodes.Count - 1).Bounds.Bottom
tree.ClientSize = New Size(tree.ClientSize.Width, bottom - top)
End Sub
Private Sub treeList_KeyDown(ByVal sender As Object, ByVal e As System.Windows.Forms.KeyEventArgs) Handles treeList.KeyDown
' when the enter key is pressed invoke
' the tree's Click event
If e.KeyCode = Keys.Return Then
Me.InvokeOnClick(Me.treeList, EventArgs.Empty)
ElseIf e.KeyCode = Keys.Escape Then
' then get the popup control container that is
' displaying the tree and close it
Dim popup As UltraPopupControlContainer = UltraPopupControlContainer.FromControl(CType(sender, Control))
If Not popup Is Nothing Then
popup.Close()
End If
End If
End Sub
Private Sub treeList_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles treeList.Click
Dim tree As TreeView = CType(sender, TreeView)
' get the selected node and perform some action on it
Dim node As TreeNode = tree.SelectedNode
System.Diagnostics.Debug.WriteLine("Node Clicked:" + node.Text)
' then get the popup control container that is
' displaying the tree and close it
Dim popup As UltraPopupControlContainer = UltraPopupControlContainer.FromControl(tree)
If Not popup Is Nothing Then
popup.Close()
End If
End Sub
'Declaration
Public Class UltraPopupControlContainer
Inherits Infragistics.Win.UltraStylableComponent
Implements Infragistics.Shared.IUltraComponent, Infragistics.Win.AppStyling.ISupportAppStyling, Infragistics.Win.IDropDownResizeHandleOwner, Infragistics.Win.IPopupItem, Infragistics.Win.IPopupItemProvider
using Infragistics.Shared;
using Infragistics.Win;
using Infragistics.Win.Misc;
private void ultraPopupControlContainer1_Closed(object sender, System.EventArgs e)
{
// The Closed event is invoked when the
// popup has been closed and can be used to
// destroy the control, perform an action, etc.
System.Diagnostics.Debug.WriteLine("Closed");
}
private void ultraPopupControlContainer1_Opened(object sender, System.EventArgs e)
{
// The Opened event is invoked after the popup
// has been displayed and can be used to further
// initialize the popup
// For example, you can set focus to the control it displayed
//
UltraPopupControlContainer popup = sender as UltraPopupControlContainer;
// the control that will be displayed can be initialized here
if (!popup.PopupControl.ContainsFocus)
popup.PopupControl.Focus();
}
private void ultraPopupControlContainer1_Opening(object sender, System.ComponentModel.CancelEventArgs e)
{
UltraPopupControlContainer popup = sender as UltraPopupControlContainer;
TreeView tree = this.treeList;
// the control that will be displayed can be initialized here
if (popup.PopupControl != tree)
popup.PopupControl = tree;
// this Opening event will normally be used to initialize
// the control that will be dropped down
this.InitializeDropDownTree(tree);
}
private void InitializeDropDownTree(TreeView tree)
{
// initialize the tree that we will be dropping down
// clear any existing nodes
tree.Nodes.Clear();
// allow for full row selection
tree.FullRowSelect = true;
tree.ShowLines = false;
tree.ShowRootLines = false;
// only show a single border
tree.BorderStyle = BorderStyle.FixedSingle;
// create the nodes
tree.Nodes.Add("New");
tree.Nodes.Add("Open Existing");
tree.Nodes.Add("Open Recent");
// select the first node
tree.SelectedNode = tree.Nodes[0];
// size the control so it shows all the nodes
int top = tree.Nodes[0].Bounds.Top;
int bottom = tree.Nodes[tree.Nodes.Count - 1].Bounds.Bottom;
tree.ClientSize = new Size(tree.ClientSize.Width, bottom - top);
}
private void treeList_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
{
// when the enter key is pressed invoke
// the tree's Click event
if (e.KeyCode == Keys.Return)
this.InvokeOnClick(this.treeList, EventArgs.Empty);
else if (e.KeyCode == Keys.Escape)
{
// then get the popup control container that is
// displaying the tree and close it
UltraPopupControlContainer popup = UltraPopupControlContainer.FromControl(sender as Control);
if (popup != null)
popup.Close();
}
}
private void treeList_Click(object sender, System.EventArgs e)
{
TreeView tree = sender as TreeView;
// get the selected node and perform some action on it
TreeNode node = tree.SelectedNode;
System.Diagnostics.Debug.WriteLine("Node Clicked:" + node.Text);
// then get the popup control container that is
// displaying the tree and close it
UltraPopupControlContainer popup = UltraPopupControlContainer.FromControl(tree);
if (popup != null)
popup.Close();
}
'Declaration
Public Class UltraPopupControlContainer
Inherits Infragistics.Win.UltraStylableComponent
Implements Infragistics.Shared.IUltraComponent, Infragistics.Win.AppStyling.ISupportAppStyling, Infragistics.Win.IDropDownResizeHandleOwner, Infragistics.Win.IPopupItem, Infragistics.Win.IPopupItemProvider
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
