ColumnHeader.TextAlign Properti
Definisi
Penting
Beberapa informasi terkait produk prarilis yang dapat diubah secara signifikan sebelum dirilis. Microsoft tidak memberikan jaminan, tersirat maupun tersurat, sehubungan dengan informasi yang diberikan di sini.
Mendapatkan atau mengatur perataan horizontal teks yang ditampilkan di ColumnHeader.
public:
property System::Windows::Forms::HorizontalAlignment TextAlign { System::Windows::Forms::HorizontalAlignment get(); void set(System::Windows::Forms::HorizontalAlignment value); };
public System.Windows.Forms.HorizontalAlignment TextAlign { get; set; }
member this.TextAlign : System.Windows.Forms.HorizontalAlignment with get, set
Public Property TextAlign As HorizontalAlignment
Nilai Properti
Salah HorizontalAlignment satu nilai. Default adalah Left.
Contoh
Contoh kode berikut menunjukkan inisialisasi ListView kontrol. Contoh membuat ColumnHeader objek dan mengatur properti , dan TextAlignWidth header Textkolom. Contohnya juga menambahkan item dan subitem ke ListView. Untuk menjalankan contoh ini, tempelkan kode berikut dalam formulir dan panggil PopulateListView
metode dari konstruktor formulir atau Load penanganan aktivitas.
private:
void PopulateListView()
{
ListView1->Width = 270;
ListView1->Location = System::Drawing::Point( 10, 10 );
// Declare and construct the ColumnHeader objects.
ColumnHeader^ header1;
ColumnHeader^ header2;
header1 = gcnew ColumnHeader;
header2 = gcnew ColumnHeader;
// Set the text, alignment and width for each column header.
header1->Text = "File name";
header1->TextAlign = HorizontalAlignment::Left;
header1->Width = 70;
header2->TextAlign = HorizontalAlignment::Left;
header2->Text = "Location";
header2->Width = 200;
// Add the headers to the ListView control.
ListView1->Columns->Add( header1 );
ListView1->Columns->Add( header2 );
// Specify that each item appears on a separate line.
ListView1->View = View::Details;
// Populate the ListView.Items property.
// Set the directory to the sample picture directory.
System::IO::DirectoryInfo^ dirInfo = gcnew System::IO::DirectoryInfo( "C:\\Documents and Settings\\All Users"
"\\Documents\\My Pictures\\Sample Pictures" );
// Get the .jpg files from the directory
array<System::IO::FileInfo^>^files = dirInfo->GetFiles( "*.jpg" );
// Add each file name and full name including path
// to the ListView.
if ( files != nullptr )
{
System::Collections::IEnumerator^ myEnum = files->GetEnumerator();
while ( myEnum->MoveNext() )
{
System::IO::FileInfo^ file = safe_cast<System::IO::FileInfo^>(myEnum->Current);
ListViewItem^ item = gcnew ListViewItem( file->Name );
item->SubItems->Add( file->FullName );
ListView1->Items->Add( item );
}
}
}
private void PopulateListView()
{
ListView1.Width = 270;
ListView1.Location = new System.Drawing.Point(10, 10);
// Declare and construct the ColumnHeader objects.
ColumnHeader header1, header2;
header1 = new ColumnHeader();
header2 = new ColumnHeader();
// Set the text, alignment and width for each column header.
header1.Text = "File name";
header1.TextAlign = HorizontalAlignment.Left;
header1.Width = 70;
header2.TextAlign = HorizontalAlignment.Left;
header2.Text = "Location";
header2.Width = 200;
// Add the headers to the ListView control.
ListView1.Columns.Add(header1);
ListView1.Columns.Add(header2);
// Specify that each item appears on a separate line.
ListView1.View = View.Details;
// Populate the ListView.Items property.
// Set the directory to the sample picture directory.
System.IO.DirectoryInfo dirInfo =
new System.IO.DirectoryInfo(
"C:\\Documents and Settings\\All Users" +
"\\Documents\\My Pictures\\Sample Pictures");
// Get the .jpg files from the directory
System.IO.FileInfo[] files = dirInfo.GetFiles("*.jpg");
// Add each file name and full name including path
// to the ListView.
if (files != null)
{
foreach ( System.IO.FileInfo file in files )
{
ListViewItem item = new ListViewItem(file.Name);
item.SubItems.Add(file.FullName);
ListView1.Items.Add(item);
}
}
}
Private Sub PopulateListView()
ListView1.Width = 270
ListView1.Location = New System.Drawing.Point(10, 10)
' Declare and construct the ColumnHeader objects.
Dim header1, header2 As ColumnHeader
header1 = New ColumnHeader
header2 = New ColumnHeader
' Set the text, alignment and width for each column header.
header1.Text = "File name"
header1.TextAlign = HorizontalAlignment.Left
header1.Width = 70
header2.TextAlign = HorizontalAlignment.Left
header2.Text = "Location"
header2.Width = 200
' Add the headers to the ListView control.
ListView1.Columns.Add(header1)
ListView1.Columns.Add(header2)
' Specify that each item appears on a separate line.
ListView1.View = View.Details
' Populate the ListView.Items property.
' Set the directory to the sample picture directory.
Dim dirInfo As New System.IO.DirectoryInfo _
("C:\Documents and Settings\All Users" _
& "\Documents\My Pictures\Sample Pictures")
Dim file As System.IO.FileInfo
' Get the .jpg files from the directory
Dim files() As System.io.FileInfo = dirInfo.GetFiles("*.jpg")
' Add each file name and full name including path
' to the ListView.
If (files IsNot Nothing) Then
For Each file In files
Dim item As New ListViewItem(file.Name)
item.SubItems.Add(file.FullName)
ListView1.Items.Add(item)
Next
End If
End Sub
Keterangan
Anda dapat menggunakan properti ini untuk menyediakan pengaturan perataan teks yang berbeda untuk teks yang ditampilkan di setiap ColumnHeader.
Catatan
Karena keterbatasan dalam kontrol yang mendasar, properti ini tidak berpengaruh pada kolom pertama dalam ListView kontrol, yang selalu diratakan ke kiri. Untuk mengatasi batasan ini di .NET Framework 2.0, Anda dapat menangani ListView.DrawColumnHeader peristiwa dan melukis header kolom sendiri.