PrintDocument.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / CommonUI / System / Drawing / Printing / PrintDocument.cs / 1305376 / PrintDocument.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Drawing.Printing { 
 
    using Microsoft.Win32;
    using System; 
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.Diagnostics;
    using System.Drawing; 
    using System.Drawing.Design;
    using System.Reflection; 
    using System.Security; 
    using System.Security.Permissions;
    using System.IO; 
    using System.Runtime.Versioning;

    /// 
    ///  
    ///    Defines a reusable object that sends output to the
    ///       printer. 
    ///  
    [
    ToolboxItemFilter("System.Drawing.Printing"), 
    DefaultProperty("DocumentName"),
    SRDescription(SR.PrintDocumentDesc),
    DefaultEvent("PrintPage")
    ] 
    public class PrintDocument : Component {
        private string documentName = "document"; 
 
        private PrintEventHandler beginPrintHandler;
        private PrintEventHandler endPrintHandler; 
        private PrintPageEventHandler printPageHandler;
        private QueryPageSettingsEventHandler queryHandler;

        private PrinterSettings printerSettings = new PrinterSettings(); 
        private PageSettings defaultPageSettings;
 
        private PrintController printController; 

        private bool originAtMargins; 
        private bool userSetPageSettings;

        /// 
        ///  
        /// Initializes a new instance of the 
        /// class. 
        ///  
        public PrintDocument() {
            defaultPageSettings = new PageSettings(printerSettings); 
        }

        /// 
        ///  
        ///    Gets or sets the
        ///       default 
        ///       page settings for the document being printed. 
        /// 
        [ 
        Browsable(false),
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
        SRDescription(SR.PDOCdocumentPageSettingsDescr)
        ] 
        public PageSettings DefaultPageSettings {
            get { return defaultPageSettings;} 
            set { 
                if (value == null)
                    value = new PageSettings(); 
                defaultPageSettings = value;
                userSetPageSettings = true;
            }
        } 

        ///  
        ///  
        ///    Gets or sets the name to display to the user while printing the document;
        ///       for example, in a print status dialog or a printer 
        ///       queue.
        /// 
        [
        DefaultValue("document"), 
        SRDescription(SR.PDOCdocumentNameDescr)
        ] 
        public string DocumentName { 
            get { return documentName;}
 
            set {
                if (value == null)
                    value = "";
                documentName = value; 
            }
        } 
 
        /// 
        // If true, positions the origin of the graphics object 
        // associated with the page at the point just inside
        // the user-specified margins of the page.
        // If false, the graphics origin is at the top-left
        // corner of the printable area of the page. 
        //
        [ 
        DefaultValue(false), 
        SRDescription(SR.PDOCoriginAtMarginsDescr)
        ] 
        public bool OriginAtMargins {
            get
            {
                return originAtMargins; 
            }
            set 
            { 
                originAtMargins = value;
            } 
        }

        /// 
        ///  
        /// Gets or sets the 
        /// that guides the printing process. 
        ///  
        [
        Browsable(false), 
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
        SRDescription(SR.PDOCprintControllerDescr)
        ]
        public PrintController PrintController { 
            get {
                IntSecurity.SafePrinting.Demand(); 
 
                if (printController == null) {
                    printController = new StandardPrintController(); 
                    new ReflectionPermission(PermissionState.Unrestricted).Assert();
                    try {
                        try {
                            // SECREVIEW 332064: this is here because System.Drawing doesnt want a dependency on 
                            // System.Windows.Forms.  Since this creates a public type in another assembly, this
                            // appears to be OK. 
                            Type type = Type.GetType("System.Windows.Forms.PrintControllerWithStatusDialog, " + AssemblyRef.SystemWindowsForms); 
                            printController = (PrintController) Activator.CreateInstance(type,
                                BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.CreateInstance, 
                                null, new object[] { printController}, null);
                        }
                        catch (TypeLoadException) {
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (TargetInvocationException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (MissingMethodException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController");
                        }
                        catch (MethodAccessException) {
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (MemberAccessException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (FileNotFoundException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController");
                        }
                    }
                    finally { 
                        CodeAccessPermission.RevertAssert();
                    } 
                } 
                return printController;
            } 
            set {
                IntSecurity.SafePrinting.Demand();

                printController = value; 
            }
        } 
 
        /// 
        ///  
        ///     Gets or sets the printer on which the
        ///       document is printed.
        /// 
        [ 
        Browsable(false),
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), 
        SRDescription(SR.PDOCprinterSettingsDescr) 
        ]
        public PrinterSettings PrinterSettings { 
            get { return printerSettings;}
            set {
                if (value == null)
                    value = new PrinterSettings(); 
                printerSettings = value;
                // reset the PageSettings that match the PrinterSettings only if we have created the defaultPageSettings.. 
                if (!userSetPageSettings) 
                {
                    defaultPageSettings = printerSettings.DefaultPageSettings; 
                }
            }
        }
 
        /// 
        ///  
        /// Occurs when the  method is called, before 
        ///    the
        ///    first page prints. 
        /// 
        [SRDescription(SR.PDOCbeginPrintDescr)]
        public event PrintEventHandler BeginPrint {
            add { 
                beginPrintHandler += value;
            } 
            remove { 
                beginPrintHandler -= value;
            } 
        }

        /// 
        ///  
        /// Occurs when  is
        ///    called, after the last page is printed. 
        ///  
        [SRDescription(SR.PDOCendPrintDescr)]
        public event PrintEventHandler EndPrint { 
            add {
                endPrintHandler += value;
            }
            remove { 
                endPrintHandler -= value;
            } 
        } 

        ///  
        /// 
        ///    Occurs when a page is printed. 
        /// 
        [SRDescription(SR.PDOCprintPageDescr)] 
        public event PrintPageEventHandler PrintPage {
            add { 
                printPageHandler += value; 
            }
            remove { 
                printPageHandler -= value;
            }
        }
 
        /// 
        ///  
        ///    Occurs 
        /// 
        [SRDescription(SR.PDOCqueryPageSettingsDescr)] 
        public event QueryPageSettingsEventHandler QueryPageSettings {
            add {
                queryHandler += value;
            } 
            remove {
                queryHandler -= value; 
            } 
        }
 
        internal void _OnBeginPrint(PrintEventArgs e) {
            OnBeginPrint(e);
        }
 
        /// 
        ///  
        /// Raises the  
        /// event.
        ///  
        protected virtual void OnBeginPrint(PrintEventArgs e) {
            if (beginPrintHandler != null)
                beginPrintHandler(this, e);
        } 

        internal void _OnEndPrint(PrintEventArgs e) { 
            OnEndPrint(e); 
        }
 
        /// 
        /// 
        /// Raises the 
        /// event. 
        /// 
        protected virtual void OnEndPrint(PrintEventArgs e) { 
            if (endPrintHandler != null) 
                endPrintHandler(this, e);
        } 

        internal void _OnPrintPage(PrintPageEventArgs e) {
            OnPrintPage(e);
        } 

        ///  
        ///  
        /// Raises the 
        /// event. 
        /// 
        //
        protected virtual void OnPrintPage(PrintPageEventArgs e) {
            if (printPageHandler != null) 
                printPageHandler(this, e);
        } 
 
        internal void _OnQueryPageSettings(QueryPageSettingsEventArgs e) {
            OnQueryPageSettings(e); 
        }

        /// 
        ///  
        /// Raises the  event.
        ///  
        protected virtual void OnQueryPageSettings(QueryPageSettingsEventArgs e) { 
            if (queryHandler != null)
                queryHandler(this, e); 
        }

        /// 
        ///  
        ///    
        ///       Prints the document. 
        ///     
        /// 
        [ResourceExposure(ResourceScope.Process)] 
        [ResourceConsumption(ResourceScope.Process)]
        public void Print() {
            // It is possible to SetPrinterName using signed secured dll which can be used to by-pass Printing security model.
            // hence here check if the PrinterSettings.IsDefaultPrinter and if not demand AllPrinting. 
            // Refer : VsWhidbey : 235920
            if (!this.PrinterSettings.IsDefaultPrinter && !this.PrinterSettings.PrintDialogDisplayed) 
            { 
                IntSecurity.AllPrinting.Demand();
            } 
            PrintController controller = PrintController;
            controller.Print(this);
        }
 
        /// 
        ///  
        ///  
        ///    
        ///       Provides some interesting information about the PrintDocument in 
        ///       String form.
        ///    
        /// 
        public override string ToString() { 
            return "[PrintDocument " + DocumentName + "]";
        } 
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Drawing.Printing { 
 
    using Microsoft.Win32;
    using System; 
    using System.ComponentModel;
    using System.ComponentModel.Design;
    using System.Diagnostics;
    using System.Drawing; 
    using System.Drawing.Design;
    using System.Reflection; 
    using System.Security; 
    using System.Security.Permissions;
    using System.IO; 
    using System.Runtime.Versioning;

    /// 
    ///  
    ///    Defines a reusable object that sends output to the
    ///       printer. 
    ///  
    [
    ToolboxItemFilter("System.Drawing.Printing"), 
    DefaultProperty("DocumentName"),
    SRDescription(SR.PrintDocumentDesc),
    DefaultEvent("PrintPage")
    ] 
    public class PrintDocument : Component {
        private string documentName = "document"; 
 
        private PrintEventHandler beginPrintHandler;
        private PrintEventHandler endPrintHandler; 
        private PrintPageEventHandler printPageHandler;
        private QueryPageSettingsEventHandler queryHandler;

        private PrinterSettings printerSettings = new PrinterSettings(); 
        private PageSettings defaultPageSettings;
 
        private PrintController printController; 

        private bool originAtMargins; 
        private bool userSetPageSettings;

        /// 
        ///  
        /// Initializes a new instance of the 
        /// class. 
        ///  
        public PrintDocument() {
            defaultPageSettings = new PageSettings(printerSettings); 
        }

        /// 
        ///  
        ///    Gets or sets the
        ///       default 
        ///       page settings for the document being printed. 
        /// 
        [ 
        Browsable(false),
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
        SRDescription(SR.PDOCdocumentPageSettingsDescr)
        ] 
        public PageSettings DefaultPageSettings {
            get { return defaultPageSettings;} 
            set { 
                if (value == null)
                    value = new PageSettings(); 
                defaultPageSettings = value;
                userSetPageSettings = true;
            }
        } 

        ///  
        ///  
        ///    Gets or sets the name to display to the user while printing the document;
        ///       for example, in a print status dialog or a printer 
        ///       queue.
        /// 
        [
        DefaultValue("document"), 
        SRDescription(SR.PDOCdocumentNameDescr)
        ] 
        public string DocumentName { 
            get { return documentName;}
 
            set {
                if (value == null)
                    value = "";
                documentName = value; 
            }
        } 
 
        /// 
        // If true, positions the origin of the graphics object 
        // associated with the page at the point just inside
        // the user-specified margins of the page.
        // If false, the graphics origin is at the top-left
        // corner of the printable area of the page. 
        //
        [ 
        DefaultValue(false), 
        SRDescription(SR.PDOCoriginAtMarginsDescr)
        ] 
        public bool OriginAtMargins {
            get
            {
                return originAtMargins; 
            }
            set 
            { 
                originAtMargins = value;
            } 
        }

        /// 
        ///  
        /// Gets or sets the 
        /// that guides the printing process. 
        ///  
        [
        Browsable(false), 
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
        SRDescription(SR.PDOCprintControllerDescr)
        ]
        public PrintController PrintController { 
            get {
                IntSecurity.SafePrinting.Demand(); 
 
                if (printController == null) {
                    printController = new StandardPrintController(); 
                    new ReflectionPermission(PermissionState.Unrestricted).Assert();
                    try {
                        try {
                            // SECREVIEW 332064: this is here because System.Drawing doesnt want a dependency on 
                            // System.Windows.Forms.  Since this creates a public type in another assembly, this
                            // appears to be OK. 
                            Type type = Type.GetType("System.Windows.Forms.PrintControllerWithStatusDialog, " + AssemblyRef.SystemWindowsForms); 
                            printController = (PrintController) Activator.CreateInstance(type,
                                BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.CreateInstance, 
                                null, new object[] { printController}, null);
                        }
                        catch (TypeLoadException) {
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (TargetInvocationException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (MissingMethodException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController");
                        }
                        catch (MethodAccessException) {
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (MemberAccessException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController"); 
                        }
                        catch (FileNotFoundException) { 
                            Debug.Fail("Can't find System.Windows.Forms.PrintControllerWithStatusDialog, proceeding with StandardPrintController");
                        }
                    }
                    finally { 
                        CodeAccessPermission.RevertAssert();
                    } 
                } 
                return printController;
            } 
            set {
                IntSecurity.SafePrinting.Demand();

                printController = value; 
            }
        } 
 
        /// 
        ///  
        ///     Gets or sets the printer on which the
        ///       document is printed.
        /// 
        [ 
        Browsable(false),
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), 
        SRDescription(SR.PDOCprinterSettingsDescr) 
        ]
        public PrinterSettings PrinterSettings { 
            get { return printerSettings;}
            set {
                if (value == null)
                    value = new PrinterSettings(); 
                printerSettings = value;
                // reset the PageSettings that match the PrinterSettings only if we have created the defaultPageSettings.. 
                if (!userSetPageSettings) 
                {
                    defaultPageSettings = printerSettings.DefaultPageSettings; 
                }
            }
        }
 
        /// 
        ///  
        /// Occurs when the  method is called, before 
        ///    the
        ///    first page prints. 
        /// 
        [SRDescription(SR.PDOCbeginPrintDescr)]
        public event PrintEventHandler BeginPrint {
            add { 
                beginPrintHandler += value;
            } 
            remove { 
                beginPrintHandler -= value;
            } 
        }

        /// 
        ///  
        /// Occurs when  is
        ///    called, after the last page is printed. 
        ///  
        [SRDescription(SR.PDOCendPrintDescr)]
        public event PrintEventHandler EndPrint { 
            add {
                endPrintHandler += value;
            }
            remove { 
                endPrintHandler -= value;
            } 
        } 

        ///  
        /// 
        ///    Occurs when a page is printed. 
        /// 
        [SRDescription(SR.PDOCprintPageDescr)] 
        public event PrintPageEventHandler PrintPage {
            add { 
                printPageHandler += value; 
            }
            remove { 
                printPageHandler -= value;
            }
        }
 
        /// 
        ///  
        ///    Occurs 
        /// 
        [SRDescription(SR.PDOCqueryPageSettingsDescr)] 
        public event QueryPageSettingsEventHandler QueryPageSettings {
            add {
                queryHandler += value;
            } 
            remove {
                queryHandler -= value; 
            } 
        }
 
        internal void _OnBeginPrint(PrintEventArgs e) {
            OnBeginPrint(e);
        }
 
        /// 
        ///  
        /// Raises the  
        /// event.
        ///  
        protected virtual void OnBeginPrint(PrintEventArgs e) {
            if (beginPrintHandler != null)
                beginPrintHandler(this, e);
        } 

        internal void _OnEndPrint(PrintEventArgs e) { 
            OnEndPrint(e); 
        }
 
        /// 
        /// 
        /// Raises the 
        /// event. 
        /// 
        protected virtual void OnEndPrint(PrintEventArgs e) { 
            if (endPrintHandler != null) 
                endPrintHandler(this, e);
        } 

        internal void _OnPrintPage(PrintPageEventArgs e) {
            OnPrintPage(e);
        } 

        ///  
        ///  
        /// Raises the 
        /// event. 
        /// 
        //
        protected virtual void OnPrintPage(PrintPageEventArgs e) {
            if (printPageHandler != null) 
                printPageHandler(this, e);
        } 
 
        internal void _OnQueryPageSettings(QueryPageSettingsEventArgs e) {
            OnQueryPageSettings(e); 
        }

        /// 
        ///  
        /// Raises the  event.
        ///  
        protected virtual void OnQueryPageSettings(QueryPageSettingsEventArgs e) { 
            if (queryHandler != null)
                queryHandler(this, e); 
        }

        /// 
        ///  
        ///    
        ///       Prints the document. 
        ///     
        /// 
        [ResourceExposure(ResourceScope.Process)] 
        [ResourceConsumption(ResourceScope.Process)]
        public void Print() {
            // It is possible to SetPrinterName using signed secured dll which can be used to by-pass Printing security model.
            // hence here check if the PrinterSettings.IsDefaultPrinter and if not demand AllPrinting. 
            // Refer : VsWhidbey : 235920
            if (!this.PrinterSettings.IsDefaultPrinter && !this.PrinterSettings.PrintDialogDisplayed) 
            { 
                IntSecurity.AllPrinting.Demand();
            } 
            PrintController controller = PrintController;
            controller.Print(this);
        }
 
        /// 
        ///  
        ///  
        ///    
        ///       Provides some interesting information about the PrintDocument in 
        ///       String form.
        ///    
        /// 
        public override string ToString() { 
            return "[PrintDocument " + DocumentName + "]";
        } 
    } 
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

                        

                        

                        
                        

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