Gets/sets the style for the column headers.
Syntax
| Visual Basic (Declaration) | |
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Public Property SubItemTipStyle As SubItemTipStyle |
Example
The following code sample demonstrates how to handle the ToolTipDisplaying event to customize the tooltip that appears when the cursor hovers over an UltraListViewItem:
For an overview of how to handle events in Visual Basic or Visual C#, see
Event Handlers in Visual Basic and Visual C#. For specific information and code examples illustrating how to consume events in your application, see
Consuming Events in the
.NET Framework Developer's Guide.
| Visual Basic |  Copy Code |
|---|
Imports Infragistics.Win
Imports Infragistics.Win.UltraWinListView
Me.ultraListView1.ItemSettings.TipStyle = ItemTipStyle.ShowAlways
Me.ultraListView1.ViewSettingsDetails.SubItemTipStyle = SubItemTipStyle.ShowIfNeeded
Private Sub ultraListView1_ToolTipDisplaying(ByVal sender As Object, ByVal e As ToolTipDisplayingEventArgs) Handles lvwFiles.ToolTipDisplaying
If (e.IsToolTipForSubItem) Then Return
Dim item As UltraListViewItem = e.Item
Dim directoryInfo As directoryInfo = Nothing
If item.Tag.GetType() Is GetType(directoryInfo) Then directoryInfo = CType(item.Tag, directoryInfo)
If (Not directoryInfo Is Nothing) Then
Dim sb As StringBuilder = New StringBuilder()
Dim directories As directoryInfo() = directoryInfo.GetDirectories()
Dim files As FileInfo() = directoryInfo.GetFiles()
Dim limiter As Integer = 0
Dim i As Integer
If (directories.Length = 0 AndAlso files.Length = 0) Then
sb.Append("Folder is empty")
ElseIf (directories.Length > 0) Then
sb.Append(directoryInfo.Name)
sb.Append(Environment.NewLine)
sb.Append("Folders: ")
sb.Append(Environment.NewLine)
limiter = Math.Min(5, directories.Length - 1)
For i = 0 To limiter
sb.Append(directories(i).Name)
If (i < limiter) Then sb.Append(", ")
Next
If (limiter < (directories.Length - 1)) Then sb.Append("...")
ElseIf (files.Length > 0) Then
sb.Append(directoryInfo.Name)
sb.Append(Environment.NewLine)
sb.Append("Files: ")
sb.Append(Environment.NewLine)
limiter = Math.Min(5, files.Length - 1)
For i = 0 To limiter
sb.Append(files(i).Name)
If (i < limiter) Then sb.Append(", ")
Next
If (limiter < (files.Length - 1)) Then
sb.Append("...")
End If
End If
e.ToolTipText = sb.ToString()
End If
End Sub
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| C# | Copy Code |
|---|
using Infragistics.Win;
using Infragistics.Win.UltraWinListView;
using System.Diagnostics;
// Show tooltips for items whether the value is fully visible or not
this.ultraListView1.ItemSettings.TipStyle =
ItemTipStyle.ShowAlways;
this.ultraListView1.ViewSettingsDetails.SubItemTipStyle =
SubItemTipStyle.ShowIfNeeded;
private void ultraListView1_ToolTipDisplaying(object sender,
Infragistics.Win.UltraWinListView.ToolTipDisplayingEventArgs e)
{
// Override the default tooltip behavior for
folder items,
// so we can display a summary of the contents
of the folder
// when the end user hovers over the item.
if ( e.IsToolTipForSubItem )
return;
UltraListViewItem item = e.Item;
DirectoryInfo directoryInfo = item.Tag as DirectoryInfo;
if ( directoryInfo !=
null )
{
StringBuilder sb = new StringBuilder();
DirectoryInfo[] directories = directoryInfo.GetDirectories();
FileInfo[] files = directoryInfo.GetFiles();
int limiter =
0;
if (
directories.Length == 0 && files.Length == 0 )
sb.Append( "Folder is empty" );
else
if (
directories.Length > 0 )
{
sb.Append( directoryInfo.Name );
sb.Append( Environment.NewLine );
sb.Append( "Folders: " );
sb.Append( Environment.NewLine );
limiter = Math.Min( 5, directories.Length - 1
);
for
( int i = 0; i <= limiter; i ++ )
{
sb.Append(
directories[i].Name );
if ( i < limiter )
sb.Append(
", " );
}
if
( limiter < (directories.Length - 1) )
sb.Append(
"..." );
}
else
if (
files.Length > 0 )
{
sb.Append( directoryInfo.Name );
sb.Append( Environment.NewLine );
sb.Append( "Files: " );
sb.Append( Environment.NewLine );
limiter = Math.Min( 5, files.Length - 1
);
for
( int i = 0; i <= limiter; i ++ )
{
sb.Append(
files[i].Name );
if ( i < limiter )
sb.Append(
", " );
}
if
( limiter < (files.Length - 1) )
sb.Append(
"..." );
}
e.ToolTipText = sb.ToString();
}
}
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See Also
