PrintPreviewDialog 建構函式
定義
重要
部分資訊涉及發行前產品,在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊,不做任何明確或隱含的瑕疵擔保。
初始化 PrintPreviewDialog 類別的新執行個體。
public:
PrintPreviewDialog();
public PrintPreviewDialog ();
Public Sub New ()
範例
下列程式碼範例示範 和 PrintPreviewDialogUseAntiAlias 屬性的 Document 設定。 此範例假設表單包含 TreeView 包含 物件的具名 TreeView1
TreeNode 。
Tag每個 TreeNode 物件的 屬性都必須設定為完整的檔案名稱,該名稱可由執行此範例的電腦存取。 將每個 TreeNode.Text 屬性設定為識別 屬性所指定檔案的 TreeNode.Tag 字串。 例如,您可以將 設定 TreeNode1.Tag
為 「c:\myDocuments\recipe.doc」 和 TreeNode1.Text
「recipe.doc」。 此範例也假設表單包含 PrintPreviewDialog 名為 PrintPreviewDialog1
的 ,以及名為 Button1
的按鈕。 若要執行這個範例,請在表單的建構函式或 Load 事件處理常式中呼叫 InitializePrintPreviewDialog
方法。
// Declare the dialog.
internal:
PrintPreviewDialog^ PrintPreviewDialog1;
private:
// Declare a PrintDocument object named document.
System::Drawing::Printing::PrintDocument^ document;
// Initialize the dialog.
void InitializePrintPreviewDialog()
{
// Create a new PrintPreviewDialog using constructor.
this->PrintPreviewDialog1 = gcnew PrintPreviewDialog;
//Set the size, location, and name.
this->PrintPreviewDialog1->ClientSize = System::Drawing::Size( 400, 300 );
this->PrintPreviewDialog1->Location = System::Drawing::Point( 29, 29 );
this->PrintPreviewDialog1->Name = "PrintPreviewDialog1";
// Associate the event-handling method with the
// document's PrintPage event.
this->document->PrintPage += gcnew System::Drawing::Printing::PrintPageEventHandler( this, &Form1::document_PrintPage );
// Set the minimum size the dialog can be resized to.
this->PrintPreviewDialog1->MinimumSize = System::Drawing::Size( 375, 250 );
// Set the UseAntiAlias property to true, which will allow the
// operating system to smooth fonts.
this->PrintPreviewDialog1->UseAntiAlias = true;
}
void Button1_Click( Object^ /*sender*/, System::EventArgs^ /*e*/ )
{
if ( TreeView1->SelectedNode != nullptr )
{
document->DocumentName = TreeView1->SelectedNode->Tag->ToString();
}
// Set the PrintPreviewDialog.Document property to
// the PrintDocument object selected by the user.
PrintPreviewDialog1->Document = document;
// Call the ShowDialog method. This will trigger the document's
// PrintPage event.
PrintPreviewDialog1->ShowDialog();
}
void document_PrintPage( Object^ /*sender*/, System::Drawing::Printing::PrintPageEventArgs^ e )
{
// Insert code to render the page here.
// This code will be called when the PrintPreviewDialog.Show
// method is called.
// The following code will render a simple
// message on the document in the dialog.
String^ text = "In document_PrintPage method.";
System::Drawing::Font^ printFont = gcnew System::Drawing::Font( "Arial",35,System::Drawing::FontStyle::Regular );
e->Graphics->DrawString( text, printFont, System::Drawing::Brushes::Black, 0, 0 );
}
// Declare the dialog.
internal PrintPreviewDialog PrintPreviewDialog1;
// Declare a PrintDocument object named document.
private System.Drawing.Printing.PrintDocument document =
new System.Drawing.Printing.PrintDocument();
// Initialize the dialog.
private void InitializePrintPreviewDialog()
{
// Create a new PrintPreviewDialog using constructor.
this.PrintPreviewDialog1 = new PrintPreviewDialog();
//Set the size, location, and name.
this.PrintPreviewDialog1.ClientSize =
new System.Drawing.Size(400, 300);
this.PrintPreviewDialog1.Location =
new System.Drawing.Point(29, 29);
this.PrintPreviewDialog1.Name = "PrintPreviewDialog1";
// Associate the event-handling method with the
// document's PrintPage event.
this.document.PrintPage +=
new System.Drawing.Printing.PrintPageEventHandler
(document_PrintPage);
// Set the minimum size the dialog can be resized to.
this.PrintPreviewDialog1.MinimumSize =
new System.Drawing.Size(375, 250);
// Set the UseAntiAlias property to true, which will allow the
// operating system to smooth fonts.
this.PrintPreviewDialog1.UseAntiAlias = true;
}
private void Button1_Click(object sender, System.EventArgs e)
{
if (TreeView1.SelectedNode != null)
// Set the PrintDocument object's name to the selectedNode
// object's tag, which in this case contains the
// fully-qualified name of the document. This value will
// show when the dialog reports progress.
{
document.DocumentName = TreeView1.SelectedNode.Tag.ToString();
}
// Set the PrintPreviewDialog.Document property to
// the PrintDocument object selected by the user.
PrintPreviewDialog1.Document = document;
// Call the ShowDialog method. This will trigger the document's
// PrintPage event.
PrintPreviewDialog1.ShowDialog();
}
private void document_PrintPage(object sender,
System.Drawing.Printing.PrintPageEventArgs e)
{
// Insert code to render the page here.
// This code will be called when the PrintPreviewDialog.Show
// method is called.
// The following code will render a simple
// message on the document in the dialog.
string text = "In document_PrintPage method.";
System.Drawing.Font printFont =
new System.Drawing.Font("Arial", 35,
System.Drawing.FontStyle.Regular);
e.Graphics.DrawString(text, printFont,
System.Drawing.Brushes.Black, 0, 0);
}
' Declare the dialog.
Friend WithEvents PrintPreviewDialog1 As PrintPreviewDialog
' Declare a PrintDocument object named document.
Private WithEvents document As New System.Drawing.Printing.PrintDocument
' Initialize the dialog.
Private Sub InitializePrintPreviewDialog()
' Create a new PrintPreviewDialog using constructor.
Me.PrintPreviewDialog1 = New PrintPreviewDialog
'Set the size, location, and name.
Me.PrintPreviewDialog1.ClientSize = New System.Drawing.Size(400, 300)
Me.PrintPreviewDialog1.Location = New System.Drawing.Point(29, 29)
Me.PrintPreviewDialog1.Name = "PrintPreviewDialog1"
' Set the minimum size the dialog can be resized to.
Me.PrintPreviewDialog1.MinimumSize = New System.Drawing.Size(375, 250)
' Set the UseAntiAlias property to true, which will allow the
' operating system to smooth fonts.
Me.PrintPreviewDialog1.UseAntiAlias = True
End Sub
Private Sub Button1_Click(ByVal sender As Object, _
ByVal e As System.EventArgs) Handles Button1.Click
If (TreeView1.SelectedNode IsNot Nothing) Then
' Set the PrintDocument object's name to the selectedNode
' object's tag, which in this case contains the
' fully-qualified name of the document. This value will
' show when the dialog reports progress.
document.DocumentName = TreeView1.SelectedNode.Tag
End If
' Set the PrintPreviewDialog.Document property to
' the PrintDocument object selected by the user.
PrintPreviewDialog1.Document = document
' Call the ShowDialog method. This will trigger the document's
' PrintPage event.
PrintPreviewDialog1.ShowDialog()
End Sub
Private Sub document_PrintPage(ByVal sender As Object, _
ByVal e As System.Drawing.Printing.PrintPageEventArgs) _
Handles document.PrintPage
' Insert code to render the page here.
' This code will be called when the PrintPreviewDialog.Show
' method is called.
' The following code will render a simple
' message on the document in the dialog.
Dim text As String = "In document_PrintPage method."
Dim printFont As New System.Drawing.Font _
("Arial", 35, System.Drawing.FontStyle.Regular)
e.Graphics.DrawString(text, printFont, _
System.Drawing.Brushes.Black, 0, 0)
End Sub
備註
當您建立 的 PrintPreviewDialog 實例時,屬性 Document 會初始化為 null
。 您可以在執行時間變更此屬性的值。