Wpf 这是一个关于追踪专栏的好主意。再调整几次，我就可以完成完整的Find函数了。感谢您的时间和专业知识。 [xml]$xaml=@" <Window xmlns="http://schemas.microsoft.com/winfx/2006/x

这是一个关于追踪专栏的好主意。再调整几次，我就可以完成完整的Find函数了。感谢您的时间和专业知识。

[xml]$xaml=@"
<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:local="clr-namespace:Test"
    Title="MainWindow" Height="175" Width="550">
<Grid>
    <TextBox x:Name="tb_Search" HorizontalAlignment="Left" Height="23" Margin="10,10,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="149"/>
    <Button x:Name="bt_Search" Content="Search" HorizontalAlignment="Left" VerticalAlignment="Top" Width="100" IsDefault="True" Height="22" Margin="165,10,0,0" />        
    <DataGrid x:Name="dg" Margin="10,45,0,0" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" MinHeight="100" Height="Auto" Width="Auto" ColumnWidth="Auto" AlternationCount="1" IsReadOnly="True" SelectionMode="Extended" SelectionUnit="Cell" Background="White" /> 
</Grid>
</Window>
"@

$reader=(New-Object System.Xml.XmlNodeReader $xaml)
$Window=[Windows.Markup.XamlReader]::Load($reader)

#Turn XAML into PowerShell objects
$xaml.SelectNodes("//*[@*[contains(translate(name(.),'n','N'),'x:Name')]]") | ForEach-Object{
Set-Variable -Name ($_.Name) -Value $Window.FindName($_.Name)
}

#sample data
$DataSet = New-Object System.Data.DataSet
$Table = $DataSet.Tables.Add("Table")
$Properties = @("Country","Capital","Population")
$Properties | foreach {
 $Column = New-Object System.Data.DataColumn($_)
 $Table.Columns.Add($Column)
 }
$Null=$Table.Rows.Add("China PR","Beijing","20,693,000")
$Null=$Table.Rows.Add("India","New Delhi","16,787,949") 
$Null=$Table.Rows.Add("Japan","Tokyo","13,189,000")
$Null=$Table.Rows.Add("Philippines","Manila","12,877,253")
$Null=$Table.Rows.Add("Russia","Moscow","11,541,000")
$Null=$Table.Rows.Add("Egypt","Cairo","10,230,350")
$Null=$Table.Rows.Add("USA","Washington, D.C","658,893")
$Null=$Table.Rows.Add("China PR","Beijing","20,693,000")
$Null=$Table.Rows.Add("India","New Delhi","16,787,949") 
$Null=$Table.Rows.Add("Japan","Tokyo","13,189,000")
$Null=$Table.Rows.Add("Philippines","Manila","12,877,253")
$Null=$Table.Rows.Add("Russia","Moscow","11,541,000")
$Null=$Table.Rows.Add("Egypt","Cairo","10,230,350")
$Null=$Table.Rows.Add("USA","Washington, D.C","658,893")

#populate datagrid
$DataView = New-Object System.Data.DataView($Table)
$array = New-Object System.Collections.ArrayList
[void] $array.AddRange($DataView)       
$dg.clear()
$dg.ItemsSource = $array
$dg.IsReadOnly = $true

$bt_Search.Add_Click({
$SearchValue = $tb_Search.text
for ($i = 0; $i -lt $dg.Items.Count; $i++)
{
    if ($dg.Items[$i].Row[$dg.Columns.DisplayIndex] -eq "$SearchValue")
    {
        [System.Windows.Forms.MessageBox]::Show("Keyword Found")
        $dg.ScrollIntoView($dg.Items[$i]) #scroll to the row that contains the keyword searched
    }
}
})

#Display Form
$Window.ShowDialog() | Out-Null

$bt_Search.Add_Click({
$SearchValue = $tb_Search.text
$dg.SelectedCells.Clear()
for ($i = 0; $i -lt $dg.Items.Count; $i++)
{
    0..($dg.Columns.Count-1)|?{$dg.Items[$i].Row[$_] -eq "$SearchValue"}|%{
        $dg.ScrollIntoView($dg.Items[$i],$dg.Columns[$_])
        $DGCell = $dg.Columns[$_].GetCellContent($dg.Items[$i]).Parent
        $DGCellInfo = New-Object System.Windows.Controls.DataGridCellInfo($DGCell)
        $dg.SelectedCells.add($DGCellInfo)
    }
}
})

$global:SearchIndex = 0
$bt_Search.Add_Click({
$SearchValue = $tb_Search.text
$dg.SelectedCells.Clear()
for ($i = $global:SearchIndex; $i -lt $dg.Items.Count; $i++)
{
    0..($dg.Columns.Count-1)|?{$dg.Items[$i].Row[$_] -eq "$SearchValue"}|%{
        $dg.ScrollIntoView($dg.Items[$i],$dg.Columns[$_])
        $DGCell = $dg.Columns[$_].GetCellContent($dg.Items[$i]).Parent
        $DGCellInfo = New-Object System.Windows.Controls.DataGridCellInfo($DGCell)
        $dg.SelectedCells.add($DGCellInfo)
        $global:SearchIndex = $i
        break
    }
}
#check if we hit the end of the table. If we did display a notice and reset the search index.
If($global:SearchIndex -ge $dg.Items.Count){
    [System.Windows.Forms.MessageBox]::Show("No more matches found, resetting search to begining of table.")
    $global:SearchIndex=0
}
})

$global:SearchIndex = 0
$global:SearchIndex2 = 0
$bt_Search.Add_Click({
$SearchValue = $tb_Search.text
$dg.SelectedCells.Clear()
for ($i = $global:SearchIndex; $i -lt $dg.Items.Count; $i++)
{
    $global:BreakPoint = $false
    For($j=$global:SearchIndex2;$j -le 2;$j++){
        If($dg.Items[$i].Row[$j] -eq "$SearchValue"){
            $dg.ScrollIntoView($dg.Items[$i],$dg.Columns[$j])
            $DGCell = $dg.Columns[$j].GetCellContent($dg.Items[$i]).Parent
            $DGCellInfo = New-Object System.Windows.Controls.DataGridCellInfo($DGCell)
            $dg.SelectedCells.add($DGCellInfo)
            $global:SearchIndex = $i
            $global:SearchIndex2 = $j+1
            $global:BreakPoint = $true
            break
        }
    }

    If($global:BreakPoint){break}
    $global:SearchIndex2=0
}
#check if we hit the end of the table. If we did display a notice and reset the search index.
If($global:SearchIndex -ge $dg.Items.Count){
    [System.Windows.Forms.MessageBox]::Show("No more matches found, resetting search to begining of table.")
    $global:SearchIndex=0
    $global:SearchIndex2=0
}
})