// Create a PRINTDLG with a few useful defaults.
internal static NativeMethods.PRINTDLG CreatePRINTDLG()
{
NativeMethods.PRINTDLG data = null;
if (IntPtr.Size == 4)
{
data = new NativeMethods.PRINTDLG_32();
}
else
{
data = new NativeMethods.PRINTDLG_64();
}
data.lStructSize = Marshal.SizeOf(data);
data.hwndOwner = IntPtr.Zero;
data.hDevMode = IntPtr.Zero;
data.hDevNames = IntPtr.Zero;
data.Flags = 0;
data.hDC = IntPtr.Zero;
data.nFromPage = 1;
data.nToPage = 1;
data.nMinPage = 0;
data.nMaxPage = 9999;
data.nCopies = 1;
data.hInstance = IntPtr.Zero;
data.lCustData = IntPtr.Zero;
data.lpfnPrintHook = null;
data.lpfnSetupHook = null;
data.lpPrintTemplateName = null;
data.lpSetupTemplateName = null;
data.hPrintTemplate = IntPtr.Zero;
data.hSetupTemplate = IntPtr.Zero;
return(data);
}
protected override bool RunDialog(IntPtr hwndOwner)
{
var hookProcPtr = new NativeMethods.WndProc(HookProc);
if (!UseEXDialog)
{
NativeMethods.PRINTDLG data = CreatePRINTDLG();
return(ShowPrintDialog(hwndOwner, hookProcPtr, data));
}
else
{
NativeMethods.PRINTDLGEX data = CreatePRINTDLGEX();
return(ShowPrintDialog(hwndOwner, data));
}
}
public static bool PrintDlg([In, Out] NativeMethods.PRINTDLG lppd)
{
if (IntPtr.Size == 4)
{
if (!(lppd is NativeMethods.PRINTDLG_32 lppd_32))
{
throw new NullReferenceException("PRINTDLG data is null");
}
return(PrintDlg_32(lppd_32));
}
else
{
if (!(lppd is NativeMethods.PRINTDLG_64 lppd_64))
{
throw new NullReferenceException("PRINTDLG data is null");
}
return(PrintDlg_64(lppd_64));
}
}
/// <include file='doc\PrintDialog.uex' path='docs/doc[@for="PrintDialog.RunDialog"]/*' />
/// <devdoc>
/// </devdoc>
/// <internalonly/>
// Use PrintDlgEx and PRINTDLGEX on Win2k and newer OS'.
protected override bool RunDialog(IntPtr hwndOwner)
{
bool returnValue = false;
NativeMethods.WndProc hookProcPtr = new NativeMethods.WndProc(this.HookProc);
if (!UseEXDialog || (Environment.OSVersion.Platform != System.PlatformID.Win32NT ||
Environment.OSVersion.Version.Major < 5))
{
NativeMethods.PRINTDLG data = CreatePRINTDLG();
returnValue = ShowPrintDialog(hwndOwner, hookProcPtr, data);
}
else
{
NativeMethods.PRINTDLGEX data = CreatePRINTDLGEX();
returnValue = ShowPrintDialog(hwndOwner, data);
}
return(returnValue);
}
// Take information from print dialog and put in PrinterSettings
private static void UpdatePrinterSettings(NativeMethods.PRINTDLG data, PrinterSettings settings, PageSettings pageSettings)
{
// Mode
settings.SetHdevmode(data.hDevMode);
settings.SetHdevnames(data.hDevNames);
if (pageSettings != null)
{
pageSettings.SetHdevmode(data.hDevMode);
}
// PrintDlg
int flags = data.Flags;
//Check for Copies == 1 since we might get the Right number of Copies from hdevMode.dmCopies...
//this is Native PrintDialogs BUG...
if (settings.Copies == 1)
{
settings.Copies = data.nCopies;
}
settings.PrintRange = (PrintRange)(flags & printRangeMask);
}
private bool ShowPrintDialog(IntPtr hwndOwner, NativeMethods.WndProc hookProcPtr, NativeMethods.PRINTDLG data)
{
data.Flags = GetFlags();
data.nCopies = (short)PrinterSettings.Copies;
data.hwndOwner = hwndOwner;
data.lpfnPrintHook = hookProcPtr;
try
{
if (PageSettings == null)
{
data.hDevMode = PrinterSettings.GetHdevmode();
}
else
{
data.hDevMode = PrinterSettings.GetHdevmode(PageSettings);
}
data.hDevNames = PrinterSettings.GetHdevnames();
}
catch (InvalidPrinterException)
{
data.hDevMode = IntPtr.Zero;
data.hDevNames = IntPtr.Zero;
// Leave those fields null; Windows will fill them in
}
try
{
// Windows doesn't like it if page numbers are invalid
if (AllowSomePages)
{
if (PrinterSettings.FromPage < PrinterSettings.MinimumPage ||
PrinterSettings.FromPage > PrinterSettings.MaximumPage)
{
throw new ArgumentException(string.Format(SR.PDpageOutOfRange, "FromPage"));
}
if (PrinterSettings.ToPage < PrinterSettings.MinimumPage ||
PrinterSettings.ToPage > PrinterSettings.MaximumPage)
{
throw new ArgumentException(string.Format(SR.PDpageOutOfRange, "ToPage"));
}
if (PrinterSettings.ToPage < PrinterSettings.FromPage)
{
throw new ArgumentException(string.Format(SR.PDpageOutOfRange, "FromPage"));
}
data.nFromPage = (short)PrinterSettings.FromPage;
data.nToPage = (short)PrinterSettings.ToPage;
data.nMinPage = (short)PrinterSettings.MinimumPage;
data.nMaxPage = (short)PrinterSettings.MaximumPage;
}
if (!UnsafeNativeMethods.PrintDlg(data))
{
return(false);
}
UpdatePrinterSettings(data.hDevMode, data.hDevNames, data.nCopies, data.Flags, settings, PageSettings);
PrintToFile = ((data.Flags & NativeMethods.PD_PRINTTOFILE) != 0);
PrinterSettings.PrintToFile = PrintToFile;
if (AllowSomePages)
{
PrinterSettings.FromPage = data.nFromPage;
PrinterSettings.ToPage = data.nToPage;
}
// When the flag PD_USEDEVMODECOPIESANDCOLLATE is not set,
// PRINTDLG.nCopies or PRINTDLG.nCopies indicates the number of copies the user wants
// to print, and the PD_COLLATE flag in the Flags member indicates
// whether the user wants to print them collated.
if ((data.Flags & NativeMethods.PD_USEDEVMODECOPIESANDCOLLATE) == 0)
{
PrinterSettings.Copies = data.nCopies;
PrinterSettings.Collate = ((data.Flags & NativeMethods.PD_COLLATE) == NativeMethods.PD_COLLATE);
}
return(true);
}
finally
{
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevMode));
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevNames));
}
}
// VSWhidbey 93449: Due to the nature of PRINTDLGEX vs PRINTDLG, separate but similar methods
// are required for showing the print dialog on Win2k and newer OS'.
private bool ShowPrintDialog(IntPtr hwndOwner, NativeMethods.WndProc hookProcPtr, NativeMethods.PRINTDLG data)
{
data.Flags = GetFlags();
data.nCopies = (short)PrinterSettings.Copies;
data.hwndOwner = hwndOwner;
data.lpfnPrintHook = hookProcPtr;
IntSecurity.AllPrintingAndUnmanagedCode.Assert();
try {
if (PageSettings == null)
{
data.hDevMode = PrinterSettings.GetHdevmode();
}
else
{
data.hDevMode = PrinterSettings.GetHdevmode(PageSettings);
}
data.hDevNames = PrinterSettings.GetHdevnames();
}
catch (InvalidPrinterException) {
data.hDevMode = IntPtr.Zero;
data.hDevNames = IntPtr.Zero;
// Leave those fields null; Windows will fill them in
}
finally {
CodeAccessPermission.RevertAssert();
}
try {
// Windows doesn't like it if page numbers are invalid
if (AllowSomePages)
{
if (PrinterSettings.FromPage < PrinterSettings.MinimumPage ||
PrinterSettings.FromPage > PrinterSettings.MaximumPage)
{
throw new ArgumentException(SR.GetString(SR.PDpageOutOfRange, "FromPage"));
}
if (PrinterSettings.ToPage < PrinterSettings.MinimumPage ||
PrinterSettings.ToPage > PrinterSettings.MaximumPage)
{
throw new ArgumentException(SR.GetString(SR.PDpageOutOfRange, "ToPage"));
}
if (PrinterSettings.ToPage < PrinterSettings.FromPage)
{
throw new ArgumentException(SR.GetString(SR.PDpageOutOfRange, "FromPage"));
}
data.nFromPage = (short)PrinterSettings.FromPage;
data.nToPage = (short)PrinterSettings.ToPage;
data.nMinPage = (short)PrinterSettings.MinimumPage;
data.nMaxPage = (short)PrinterSettings.MaximumPage;
}
if (!UnsafeNativeMethods.PrintDlg(data))
{
return(false);
}
IntSecurity.AllPrintingAndUnmanagedCode.Assert();
try {
UpdatePrinterSettings(data.hDevMode, data.hDevNames, data.nCopies, data.Flags, settings, PageSettings);
}
finally {
CodeAccessPermission.RevertAssert();
}
PrintToFile = ((data.Flags & NativeMethods.PD_PRINTTOFILE) != 0);
PrinterSettings.PrintToFile = PrintToFile;
if (AllowSomePages)
{
PrinterSettings.FromPage = data.nFromPage;
PrinterSettings.ToPage = data.nToPage;
}
// Fix Dev10 #575399, when the flag PD_USEDEVMODECOPIESANDCOLLATE is not set,
// PRINTDLG.nCopies or PRINTDLG.nCopies indicates the number of copies the user wants
// to print, and the PD_COLLATE flag in the Flags member indicates
// whether the user wants to print them collated.
// Due to a Windows OS Bug 558734, we don't need to consider Windows XP and before
if ((data.Flags & NativeMethods.PD_USEDEVMODECOPIESANDCOLLATE) == 0)
{
if (Environment.OSVersion.Version.Major >= 6)
{
PrinterSettings.Copies = data.nCopies;
PrinterSettings.Collate = ((data.Flags & NativeMethods.PD_COLLATE) == NativeMethods.PD_COLLATE);
}
}
return(true);
}
finally {
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevMode));
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevNames));
}
}
/// <include file='doc\PrintDialog.uex' path='docs/doc[@for="PrintDialog.RunDialog"]/*' />
/// <devdoc>
/// </devdoc>
/// <internalonly/>
protected override bool RunDialog(IntPtr hwndOwner)
{
IntSecurity.SafePrinting.Demand();
NativeMethods.WndProc hookProcPtr = new NativeMethods.WndProc(this.HookProc);
if (settings == null)
{
throw new ArgumentException(SR.GetString(SR.PDcantShowWithoutPrinter));
}
NativeMethods.PRINTDLG data = CreatePRINTDLG();
data.Flags = GetFlags();
data.nCopies = (short)settings.Copies;
data.hwndOwner = hwndOwner;
data.lpfnPrintHook = hookProcPtr;
IntSecurity.AllPrinting.Assert();
try {
if (PageSettings == null)
{
data.hDevMode = settings.GetHdevmode();
}
else
{
data.hDevMode = settings.GetHdevmode(PageSettings);
}
data.hDevNames = settings.GetHdevnames();
}
catch (InvalidPrinterException) {
data.hDevMode = IntPtr.Zero;
data.hDevNames = IntPtr.Zero;
// Leave those fields null; Windows will fill them in
}
finally {
CodeAccessPermission.RevertAssert();
}
try {
// Windows doesn't like it if page numbers are invalid
if (AllowSomePages)
{
if (settings.FromPage < settings.MinimumPage ||
settings.FromPage > settings.MaximumPage)
{
throw new ArgumentException(SR.GetString(SR.PDpageOutOfRange, "FromPage"));
}
if (settings.ToPage < settings.MinimumPage ||
settings.ToPage > settings.MaximumPage)
{
throw new ArgumentException(SR.GetString(SR.PDpageOutOfRange, "ToPage"));
}
if (settings.ToPage < settings.FromPage)
{
throw new ArgumentException(SR.GetString(SR.PDpageOutOfRange, "FromPage"));
}
data.nFromPage = (short)settings.FromPage;
data.nToPage = (short)settings.ToPage;
data.nMinPage = (short)settings.MinimumPage;
data.nMaxPage = (short)settings.MaximumPage;
}
if (!UnsafeNativeMethods.PrintDlg(data))
{
return(false);
}
UpdatePrinterSettings(data, settings, PageSettings);
PrintToFile = ((data.Flags & NativeMethods.PD_PRINTTOFILE) != 0);
settings.PrintToFile = PrintToFile;
if (AllowSomePages)
{
settings.FromPage = data.nFromPage;
settings.ToPage = data.nToPage;
}
return(true);
}
finally {
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevMode));
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevNames));
}
}
