PrintDocument.cs source code in C# .NET

                        
Code:
                         / Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / CommonUI / System / Drawing / Printing / PrintDocument.cs / 1 / 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; 

    /// 
    /// 
    ///    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.
        ///     
        ///  
        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; 

    /// 
    /// 
    ///    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.
        ///     
        ///  
        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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