Initializes a new instance of the PictureBox class.
Assembly: System.Windows.Forms (in System.Windows.Forms.dll)
Public Sub New
public PictureBox()
public:
PictureBox()
new : unit -> PictureBox
The following table shows initial property values for an instance of the PictureBox class.
The following code example demonstrates the use of the PictureBox and ListView controls. The PictureBox is initialized by setting the BorderStyle and SizeMode properties using the BorderStyle and PictureBoxSizeMode enumerations, respectively. The ListView is populated with pictures from the Sample Pictures directory. The ListView.GetItemAt method is used when handling the MouseDown event of the ListView control to determine whether an item is selected. If an item is selected, the event handler displays the selected file by setting the Image property. The example requires that you have JPG files located in the C:\Documents and Settings\All Users\Documents\My Pictures\Sample Pictures directory. To run the example, paste the code into a form and call the InitializePictureBox and PopulateListView methods in the form's constructor or Load event-handling method. Ensure all events are associated with their event-handling methods.
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 Private Sub InitializePictureBox() PictureBox1 = New PictureBox ' Set the location and size of the PictureBox control. Me.PictureBox1.Location = New System.Drawing.Point(70, 120) Me.PictureBox1.Size = New System.Drawing.Size(140, 140) Me.PictureBox1.TabStop = False ' Set the SizeMode property to the StretchImage value. This ' will shrink or enlarge the image as needed to fit into ' the PictureBox. Me.PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage ' Set the border style to a three-dimensional border. Me.PictureBox1.BorderStyle = BorderStyle.Fixed3D ' Add the PictureBox to the form. Me.Controls.Add(Me.PictureBox1) End Sub Private Sub ListView1_MouseDown(ByVal sender As Object, _ ByVal e As MouseEventArgs) Handles ListView1.MouseDown Dim selection As ListViewItem = ListView1.GetItemAt(e.X, e.Y) ' If the user selects an item in the ListView, display ' the image in the PictureBox. If (selection IsNot Nothing) Then PictureBox1.Image = System.Drawing.Image.FromFile _ (selection.SubItems(1).Text) End If End Sub
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 void InitializePictureBox() { PictureBox1 = new PictureBox(); // Set the location and size of the PictureBox control. this.PictureBox1.Location = new System.Drawing.Point(70, 120); this.PictureBox1.Size = new System.Drawing.Size(140, 140); this.PictureBox1.TabStop = false; // Set the SizeMode property to the StretchImage value. This // will shrink or enlarge the image as needed to fit into // the PictureBox. this.PictureBox1.SizeMode = PictureBoxSizeMode.StretchImage; // Set the border style to a three-dimensional border. this.PictureBox1.BorderStyle = BorderStyle.Fixed3D; // Add the PictureBox to the form. this.Controls.Add(this.PictureBox1); } private void ListView1_MouseDown(object sender, MouseEventArgs e) { ListViewItem selection = ListView1.GetItemAt(e.X, e.Y); // If the user selects an item in the ListView, display // the image in the PictureBox. if (selection != null) { PictureBox1.Image = System.Drawing.Image.FromFile( selection.SubItems[1].Text); } }
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 ); } } } void InitializePictureBox() { PictureBox1 = gcnew PictureBox; // Set the location and size of the PictureBox control. this->PictureBox1->Location = System::Drawing::Point( 70, 120 ); this->PictureBox1->Size = System::Drawing::Size( 140, 140 ); this->PictureBox1->TabStop = false; // Set the SizeMode property to the StretchImage value. This // will shrink or enlarge the image as needed to fit into // the PictureBox. this->PictureBox1->SizeMode = PictureBoxSizeMode::StretchImage; // Set the border style to a three-dimensional border. this->PictureBox1->BorderStyle = BorderStyle::Fixed3D; // Add the PictureBox to the form. this->Controls->Add( this->PictureBox1 ); } void ListView1_MouseDown( Object^ /*sender*/, MouseEventArgs^ e ) { ListViewItem^ selection = ListView1->GetItemAt( e->X, e->Y ); // If the user selects an item in the ListView, display // the image in the PictureBox. if ( selection != nullptr ) { PictureBox1->Image = System::Drawing::Image::FromFile( selection->SubItems[ 1 ]->Text ); } }
.NET Framework
Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0.NET Framework Client Profile
Supported in: 4, 3.5 SP1Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.