/// <summary>
/// Copies the relevant information out of the handle and into the PageSettings.
/// </summary>
public void SetHdevmode(IntPtr hdevmode)
{
if (hdevmode == IntPtr.Zero)
{
throw new ArgumentException(SR.Format(SR.InvalidPrinterHandle, hdevmode));
}
IntPtr pointer = Interop.Kernel32.GlobalLock(hdevmode);
Interop.Gdi32.DEVMODE mode = (Interop.Gdi32.DEVMODE)Marshal.PtrToStructure(pointer, typeof(Interop.Gdi32.DEVMODE)) !;
if ((mode.dmFields & SafeNativeMethods.DM_COLOR) == SafeNativeMethods.DM_COLOR)
{
_color = (mode.dmColor == SafeNativeMethods.DMCOLOR_COLOR);
}
if ((mode.dmFields & SafeNativeMethods.DM_ORIENTATION) == SafeNativeMethods.DM_ORIENTATION)
{
_landscape = (mode.dmOrientation == SafeNativeMethods.DMORIENT_LANDSCAPE);
}
_paperSize = PaperSizeFromMode(mode);
_paperSource = PaperSourceFromMode(mode);
_printerResolution = PrinterResolutionFromMode(mode);
Interop.Kernel32.GlobalUnlock(hdevmode);
}
private PrinterResolution PrinterResolutionFromMode(Interop.Gdi32.DEVMODE mode)
{
PrinterResolution[] resolutions = printerSettings.Get_PrinterResolutions();
for (int i = 0; i < resolutions.Length; i++)
{
if (mode.dmPrintQuality >= 0 && ((mode.dmFields & SafeNativeMethods.DM_PRINTQUALITY) == SafeNativeMethods.DM_PRINTQUALITY) &&
((mode.dmFields & SafeNativeMethods.DM_YRESOLUTION) == SafeNativeMethods.DM_YRESOLUTION))
{
if (resolutions[i].X == unchecked ((int)(PrinterResolutionKind)mode.dmPrintQuality) &&
resolutions[i].Y == unchecked ((int)(PrinterResolutionKind)mode.dmYResolution))
{
return(resolutions[i]);
}
}
else
{
if ((mode.dmFields & SafeNativeMethods.DM_PRINTQUALITY) == SafeNativeMethods.DM_PRINTQUALITY)
{
if (resolutions[i].Kind == (PrinterResolutionKind)mode.dmPrintQuality)
{
return(resolutions[i]);
}
}
}
}
return(new PrinterResolution(PrinterResolutionKind.Custom,
mode.dmPrintQuality, mode.dmYResolution));
}
private PaperSize GetPaperSize(IntPtr modeHandle)
{
if (_paperSize == null)
{
bool ownHandle = false;
if (modeHandle == IntPtr.Zero)
{
modeHandle = printerSettings.GetHdevmode();
ownHandle = true;
}
IntPtr modePointer = Interop.Kernel32.GlobalLock(modeHandle);
Interop.Gdi32.DEVMODE mode = (Interop.Gdi32.DEVMODE)Marshal.PtrToStructure(modePointer, typeof(Interop.Gdi32.DEVMODE)) !;
PaperSize result = PaperSizeFromMode(mode);
Interop.Kernel32.GlobalUnlock(modeHandle);
if (ownHandle)
{
Interop.Kernel32.GlobalFree(modeHandle);
}
return(result);
}
else
{
return(_paperSize);
}
}
private PaperSource PaperSourceFromMode(Interop.Gdi32.DEVMODE mode)
{
PaperSource[] sources = printerSettings.Get_PaperSources();
if ((mode.dmFields & SafeNativeMethods.DM_DEFAULTSOURCE) == SafeNativeMethods.DM_DEFAULTSOURCE)
{
for (int i = 0; i < sources.Length; i++)
{
// the dmDefaultSource == to the RawKind in the Papersource.. and Not the Kind...
// if the PaperSource is populated with CUSTOM values...
if (unchecked ((short)sources[i].RawKind) == mode.dmDefaultSource)
{
return(sources[i]);
}
}
}
return(new PaperSource((PaperSourceKind)mode.dmDefaultSource, "unknown"));
}
private PaperSize PaperSizeFromMode(Interop.Gdi32.DEVMODE mode)
{
PaperSize[] sizes = printerSettings.Get_PaperSizes();
if ((mode.dmFields & SafeNativeMethods.DM_PAPERSIZE) == SafeNativeMethods.DM_PAPERSIZE)
{
for (int i = 0; i < sizes.Length; i++)
{
if ((int)sizes[i].RawKind == mode.dmPaperSize)
{
return(sizes[i]);
}
}
}
return(new PaperSize(PaperKind.Custom, "custom",
//mode.dmPaperWidth, mode.dmPaperLength);
PrinterUnitConvert.Convert(mode.dmPaperWidth, PrinterUnit.TenthsOfAMillimeter, PrinterUnit.Display),
PrinterUnitConvert.Convert(mode.dmPaperLength, PrinterUnit.TenthsOfAMillimeter, PrinterUnit.Display)));
}
/// <summary>
/// Copies the relevant information out of the PageSettings and into the handle.
/// </summary>
public void CopyToHdevmode(IntPtr hdevmode)
{
IntPtr modePointer = Interop.Kernel32.GlobalLock(hdevmode);
Interop.Gdi32.DEVMODE mode = (Interop.Gdi32.DEVMODE)Marshal.PtrToStructure(modePointer, typeof(Interop.Gdi32.DEVMODE)) !;
if (_color.IsNotDefault && ((mode.dmFields & SafeNativeMethods.DM_COLOR) == SafeNativeMethods.DM_COLOR))
{
mode.dmColor = unchecked ((short)(((bool)_color) ? SafeNativeMethods.DMCOLOR_COLOR : SafeNativeMethods.DMCOLOR_MONOCHROME));
}
if (_landscape.IsNotDefault && ((mode.dmFields & SafeNativeMethods.DM_ORIENTATION) == SafeNativeMethods.DM_ORIENTATION))
{
mode.dmOrientation = unchecked ((short)(((bool)_landscape) ? SafeNativeMethods.DMORIENT_LANDSCAPE : SafeNativeMethods.DMORIENT_PORTRAIT));
}
if (_paperSize != null)
{
if ((mode.dmFields & SafeNativeMethods.DM_PAPERSIZE) == SafeNativeMethods.DM_PAPERSIZE)
{
mode.dmPaperSize = unchecked ((short)_paperSize.RawKind);
}
bool setWidth = false;
bool setLength = false;
if ((mode.dmFields & SafeNativeMethods.DM_PAPERLENGTH) == SafeNativeMethods.DM_PAPERLENGTH)
{
// dmPaperLength is always in tenths of millimeter but paperSizes are in hundredth of inch ..
// so we need to convert :: use PrinterUnitConvert.Convert(value, PrinterUnit.TenthsOfAMillimeter /*fromUnit*/, PrinterUnit.Display /*ToUnit*/)
int length = PrinterUnitConvert.Convert(_paperSize.Height, PrinterUnit.Display, PrinterUnit.TenthsOfAMillimeter);
mode.dmPaperLength = unchecked ((short)length);
setLength = true;
}
if ((mode.dmFields & SafeNativeMethods.DM_PAPERWIDTH) == SafeNativeMethods.DM_PAPERWIDTH)
{
int width = PrinterUnitConvert.Convert(_paperSize.Width, PrinterUnit.Display, PrinterUnit.TenthsOfAMillimeter);
mode.dmPaperWidth = unchecked ((short)width);
setWidth = true;
}
if (_paperSize.Kind == PaperKind.Custom)
{
if (!setLength)
{
mode.dmFields |= SafeNativeMethods.DM_PAPERLENGTH;
int length = PrinterUnitConvert.Convert(_paperSize.Height, PrinterUnit.Display, PrinterUnit.TenthsOfAMillimeter);
mode.dmPaperLength = unchecked ((short)length);
}
if (!setWidth)
{
mode.dmFields |= SafeNativeMethods.DM_PAPERWIDTH;
int width = PrinterUnitConvert.Convert(_paperSize.Width, PrinterUnit.Display, PrinterUnit.TenthsOfAMillimeter);
mode.dmPaperWidth = unchecked ((short)width);
}
}
}
if (_paperSource != null && ((mode.dmFields & SafeNativeMethods.DM_DEFAULTSOURCE) == SafeNativeMethods.DM_DEFAULTSOURCE))
{
mode.dmDefaultSource = unchecked ((short)_paperSource.RawKind);
}
if (_printerResolution != null)
{
if (_printerResolution.Kind == PrinterResolutionKind.Custom)
{
if ((mode.dmFields & SafeNativeMethods.DM_PRINTQUALITY) == SafeNativeMethods.DM_PRINTQUALITY)
{
mode.dmPrintQuality = unchecked ((short)_printerResolution.X);
}
if ((mode.dmFields & SafeNativeMethods.DM_YRESOLUTION) == SafeNativeMethods.DM_YRESOLUTION)
{
mode.dmYResolution = unchecked ((short)_printerResolution.Y);
}
}
else
{
if ((mode.dmFields & SafeNativeMethods.DM_PRINTQUALITY) == SafeNativeMethods.DM_PRINTQUALITY)
{
mode.dmPrintQuality = unchecked ((short)_printerResolution.Kind);
}
}
}
Marshal.StructureToPtr(mode, modePointer, false);
// It's possible this page has a DEVMODE for a different printer than the DEVMODE passed in here
// (Ex: occurs when Doc.DefaultPageSettings.PrinterSettings.PrinterName != Doc.PrinterSettings.PrinterName)
//
// if the passed in devmode has fewer bytes than our buffer for the extrainfo, we want to skip the merge as it will cause
// a buffer overrun
if (mode.dmDriverExtra >= ExtraBytes)
{
int retCode = Interop.Winspool.DocumentProperties(NativeMethods.NullHandleRef, NativeMethods.NullHandleRef, printerSettings.PrinterName, modePointer, modePointer, SafeNativeMethods.DM_IN_BUFFER | SafeNativeMethods.DM_OUT_BUFFER);
if (retCode < 0)
{
Interop.Kernel32.GlobalFree(modePointer);
}
}
Interop.Kernel32.GlobalUnlock(hdevmode);
}
