private void UnregisterClass()
{
if (this.registered && System.Windows.Forms.UnsafeNativeMethods.UnregisterClass(this.windowClassName, new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null))))
{
this.windowProc = null;
this.registered = false;
}
}
protected override bool RunDialog(IntPtr hwndOwner)
{
System.Windows.Forms.IntSecurity.SafePrinting.Demand();
System.Windows.Forms.NativeMethods.WndProc hookProcPtr = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
if ((!this.UseEXDialog || (Environment.OSVersion.Platform != PlatformID.Win32NT)) || (Environment.OSVersion.Version.Major < 5))
{
System.Windows.Forms.NativeMethods.PRINTDLG printdlg = CreatePRINTDLG();
return(this.ShowPrintDialog(hwndOwner, hookProcPtr, printdlg));
}
System.Windows.Forms.NativeMethods.PRINTDLGEX data = CreatePRINTDLGEX();
return(this.ShowPrintDialog(hwndOwner, data));
}
internal void AssignHandle(IntPtr handle, bool assignUniqueID)
{
lock (this)
{
this.CheckReleased();
this.handle = handle;
if (userDefWindowProc == IntPtr.Zero)
{
string lpProcName = (Marshal.SystemDefaultCharSize == 1) ? "DefWindowProcA" : "DefWindowProcW";
userDefWindowProc = System.Windows.Forms.UnsafeNativeMethods.GetProcAddress(new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle("user32.dll")), lpProcName);
if (userDefWindowProc == IntPtr.Zero)
{
throw new Win32Exception();
}
}
this.defWindowProc = System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -4);
if (WndProcShouldBeDebuggable)
{
this.windowProc = new System.Windows.Forms.NativeMethods.WndProc(this.DebuggableCallback);
}
else
{
this.windowProc = new System.Windows.Forms.NativeMethods.WndProc(this.Callback);
}
AddWindowToTable(handle, this);
System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, handle), -4, this.windowProc);
this.windowProcPtr = System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -4);
if ((assignUniqueID && ((((int)((long)System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -16))) & 0x40000000) != 0)) && (((int)((long)System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -12))) == 0))
{
System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, handle), -12, new HandleRef(this, handle));
}
if (this.suppressedGC)
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
try
{
GC.ReRegisterForFinalize(this);
}
finally
{
CodeAccessPermission.RevertAssert();
}
this.suppressedGC = false;
}
this.OnHandleChange();
}
}
private bool RunDialogOld(IntPtr hWndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.OPENFILENAME_I ofn = new System.Windows.Forms.NativeMethods.OPENFILENAME_I();
try
{
this.charBuffer = System.Windows.Forms.UnsafeNativeMethods.CharBuffer.CreateBuffer(0x2000);
if (this.fileNames != null)
{
this.charBuffer.PutString(this.fileNames[0]);
}
ofn.lStructSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.OPENFILENAME_I));
if ((Environment.OSVersion.Platform != PlatformID.Win32NT) || (Environment.OSVersion.Version.Major < 5))
{
ofn.lStructSize = 0x4c;
}
ofn.hwndOwner = hWndOwner;
ofn.hInstance = this.Instance;
ofn.lpstrFilter = MakeFilterString(this.filter, this.DereferenceLinks);
ofn.nFilterIndex = this.filterIndex;
ofn.lpstrFile = this.charBuffer.AllocCoTaskMem();
ofn.nMaxFile = 0x2000;
ofn.lpstrInitialDir = this.initialDir;
ofn.lpstrTitle = this.title;
ofn.Flags = this.Options | 0x880020;
ofn.lpfnHook = proc;
ofn.FlagsEx = 0x1000000;
if ((this.defaultExt != null) && this.AddExtension)
{
ofn.lpstrDefExt = this.defaultExt;
}
flag = this.RunFileDialog(ofn);
}
finally
{
this.charBuffer = null;
if (ofn.lpstrFile != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(ofn.lpstrFile);
}
}
return(flag);
}
protected override bool RunDialog(IntPtr hwndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.CHOOSECOLOR cc = new System.Windows.Forms.NativeMethods.CHOOSECOLOR();
IntPtr destination = Marshal.AllocCoTaskMem(0x40);
try
{
Marshal.Copy(this.customColors, 0, destination, 0x10);
cc.hwndOwner = hwndOwner;
cc.hInstance = this.Instance;
cc.rgbResult = ColorTranslator.ToWin32(this.color);
cc.lpCustColors = destination;
int num = this.Options | 0x11;
if (!this.AllowFullOpen)
{
num &= -3;
}
cc.Flags = num;
cc.lpfnHook = proc;
if (!System.Windows.Forms.SafeNativeMethods.ChooseColor(cc))
{
return(false);
}
if (cc.rgbResult != ColorTranslator.ToWin32(this.color))
{
this.color = ColorTranslator.FromOle(cc.rgbResult);
}
Marshal.Copy(destination, this.customColors, 0, 0x10);
flag = true;
}
finally
{
Marshal.FreeCoTaskMem(destination);
}
return(flag);
}
protected override bool RunDialog(IntPtr hwndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.CHOOSECOLOR cc = new System.Windows.Forms.NativeMethods.CHOOSECOLOR();
IntPtr destination = Marshal.AllocCoTaskMem(0x40);
try
{
Marshal.Copy(this.customColors, 0, destination, 0x10);
cc.hwndOwner = hwndOwner;
cc.hInstance = this.Instance;
cc.rgbResult = ColorTranslator.ToWin32(this.color);
cc.lpCustColors = destination;
int num = this.Options | 0x11;
if (!this.AllowFullOpen)
{
num &= -3;
}
cc.Flags = num;
cc.lpfnHook = proc;
if (!System.Windows.Forms.SafeNativeMethods.ChooseColor(cc))
{
return false;
}
if (cc.rgbResult != ColorTranslator.ToWin32(this.color))
{
this.color = ColorTranslator.FromOle(cc.rgbResult);
}
Marshal.Copy(destination, this.customColors, 0, 0x10);
flag = true;
}
finally
{
Marshal.FreeCoTaskMem(destination);
}
return flag;
}
private void RegisterClass()
{
string className;
System.Windows.Forms.NativeMethods.WNDCLASS_D wc = new System.Windows.Forms.NativeMethods.WNDCLASS_D();
if (NativeWindow.userDefWindowProc == IntPtr.Zero)
{
string lpProcName = (Marshal.SystemDefaultCharSize == 1) ? "DefWindowProcA" : "DefWindowProcW";
NativeWindow.userDefWindowProc = System.Windows.Forms.UnsafeNativeMethods.GetProcAddress(new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle("user32.dll")), lpProcName);
if (NativeWindow.userDefWindowProc == IntPtr.Zero)
{
throw new Win32Exception();
}
}
if (this.className == null)
{
wc.hbrBackground = System.Windows.Forms.UnsafeNativeMethods.GetStockObject(5);
wc.style = this.classStyle;
this.defWindowProc = NativeWindow.userDefWindowProc;
className = "Window." + Convert.ToString(this.classStyle, 0x10);
this.hashCode = 0;
}
else
{
System.Windows.Forms.NativeMethods.WNDCLASS_I wndclass_i = new System.Windows.Forms.NativeMethods.WNDCLASS_I();
bool flag = System.Windows.Forms.UnsafeNativeMethods.GetClassInfo(System.Windows.Forms.NativeMethods.NullHandleRef, this.className, wndclass_i);
int error = Marshal.GetLastWin32Error();
if (!flag)
{
throw new Win32Exception(error, System.Windows.Forms.SR.GetString("InvalidWndClsName"));
}
wc.style = wndclass_i.style;
wc.cbClsExtra = wndclass_i.cbClsExtra;
wc.cbWndExtra = wndclass_i.cbWndExtra;
wc.hIcon = wndclass_i.hIcon;
wc.hCursor = wndclass_i.hCursor;
wc.hbrBackground = wndclass_i.hbrBackground;
wc.lpszMenuName = Marshal.PtrToStringAuto(wndclass_i.lpszMenuName);
className = this.className;
this.defWindowProc = wndclass_i.lpfnWndProc;
this.hashCode = this.className.GetHashCode();
}
this.windowClassName = this.GetFullClassName(className);
this.windowProc = new System.Windows.Forms.NativeMethods.WndProc(this.Callback);
wc.lpfnWndProc = this.windowProc;
wc.hInstance = System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null);
wc.lpszClassName = this.windowClassName;
short num2 = System.Windows.Forms.UnsafeNativeMethods.RegisterClass(wc);
if (num2 == 0)
{
int num3 = Marshal.GetLastWin32Error();
if (num3 == 0x582)
{
System.Windows.Forms.NativeMethods.WNDCLASS_I wndclass_i2 = new System.Windows.Forms.NativeMethods.WNDCLASS_I();
if (System.Windows.Forms.UnsafeNativeMethods.GetClassInfo(new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null)), this.windowClassName, wndclass_i2) && (wndclass_i2.lpfnWndProc == NativeWindow.UserDefindowProc))
{
if (System.Windows.Forms.UnsafeNativeMethods.UnregisterClass(this.windowClassName, new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null))))
{
num2 = System.Windows.Forms.UnsafeNativeMethods.RegisterClass(wc);
}
else
{
do
{
domainQualifier++;
this.windowClassName = this.GetFullClassName(className);
wc.lpszClassName = this.windowClassName;
num2 = System.Windows.Forms.UnsafeNativeMethods.RegisterClass(wc);
}
while ((num2 == 0) && (Marshal.GetLastWin32Error() == 0x582));
}
}
}
if (num2 == 0)
{
this.windowProc = null;
throw new Win32Exception(num3);
}
}
this.registered = true;
}
public DialogResult ShowDialog(IWin32Window owner)
{
System.Windows.Forms.IntSecurity.SafeSubWindows.Demand();
if (!SystemInformation.UserInteractive)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("CantShowModalOnNonInteractive"));
}
NativeWindow window = null;
IntPtr zero = IntPtr.Zero;
DialogResult cancel = DialogResult.Cancel;
try
{
if (owner != null)
{
zero = Control.GetSafeHandle(owner);
}
if (zero == IntPtr.Zero)
{
zero = System.Windows.Forms.UnsafeNativeMethods.GetActiveWindow();
}
if (zero == IntPtr.Zero)
{
window = new NativeWindow();
window.CreateHandle(new CreateParams());
zero = window.Handle;
}
if (helpMsg == 0)
{
helpMsg = System.Windows.Forms.SafeNativeMethods.RegisterWindowMessage("commdlg_help");
}
System.Windows.Forms.NativeMethods.WndProc d = new System.Windows.Forms.NativeMethods.WndProc(this.OwnerWndProc);
this.hookedWndProc = Marshal.GetFunctionPointerForDelegate(d);
IntPtr userCookie = IntPtr.Zero;
try
{
this.defOwnerWndProc = System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, zero), -4, d);
if (Application.UseVisualStyles)
{
userCookie = System.Windows.Forms.UnsafeNativeMethods.ThemingScope.Activate();
}
Application.BeginModalMessageLoop();
try
{
cancel = this.RunDialog(zero) ? DialogResult.OK : DialogResult.Cancel;
}
finally
{
Application.EndModalMessageLoop();
}
return(cancel);
}
finally
{
IntPtr windowLong = System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, zero), -4);
if ((IntPtr.Zero != this.defOwnerWndProc) || (windowLong != this.hookedWndProc))
{
System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, zero), -4, new HandleRef(this, this.defOwnerWndProc));
}
System.Windows.Forms.UnsafeNativeMethods.ThemingScope.Deactivate(userCookie);
this.defOwnerWndProc = IntPtr.Zero;
this.hookedWndProc = IntPtr.Zero;
GC.KeepAlive(d);
}
}
finally
{
if (window != null)
{
window.DestroyHandle();
}
}
return(cancel);
}
protected override bool RunDialog(IntPtr hwndOwner)
{
System.Windows.Forms.NativeMethods.PAGESETUPDLG pagesetupdlg;
bool flag2;
System.Windows.Forms.IntSecurity.SafePrinting.Demand();
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
if (this.pageSettings == null)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("PSDcantShowWithoutPage"));
}
pagesetupdlg = new System.Windows.Forms.NativeMethods.PAGESETUPDLG {
lStructSize = Marshal.SizeOf(pagesetupdlg),
Flags = this.GetFlags(),
hwndOwner = hwndOwner,
lpfnPageSetupHook = proc
};
PrinterUnit thousandthsOfAnInch = PrinterUnit.ThousandthsOfAnInch;
if (this.EnableMetric)
{
StringBuilder lpLCData = new StringBuilder(2);
if ((UnsafeNativeMethods.GetLocaleInfo(System.Windows.Forms.NativeMethods.LOCALE_USER_DEFAULT, 13, lpLCData, lpLCData.Capacity) > 0) && (int.Parse(lpLCData.ToString(), CultureInfo.InvariantCulture) == 0))
{
thousandthsOfAnInch = PrinterUnit.HundredthsOfAMillimeter;
}
}
if (this.MinMargins != null)
{
Margins margins = PrinterUnitConvert.Convert(this.MinMargins, PrinterUnit.Display, thousandthsOfAnInch);
pagesetupdlg.minMarginLeft = margins.Left;
pagesetupdlg.minMarginTop = margins.Top;
pagesetupdlg.minMarginRight = margins.Right;
pagesetupdlg.minMarginBottom = margins.Bottom;
}
if (this.pageSettings.Margins != null)
{
Margins margins2 = PrinterUnitConvert.Convert(this.pageSettings.Margins, PrinterUnit.Display, thousandthsOfAnInch);
pagesetupdlg.marginLeft = margins2.Left;
pagesetupdlg.marginTop = margins2.Top;
pagesetupdlg.marginRight = margins2.Right;
pagesetupdlg.marginBottom = margins2.Bottom;
}
pagesetupdlg.marginLeft = Math.Max(pagesetupdlg.marginLeft, pagesetupdlg.minMarginLeft);
pagesetupdlg.marginTop = Math.Max(pagesetupdlg.marginTop, pagesetupdlg.minMarginTop);
pagesetupdlg.marginRight = Math.Max(pagesetupdlg.marginRight, pagesetupdlg.minMarginRight);
pagesetupdlg.marginBottom = Math.Max(pagesetupdlg.marginBottom, pagesetupdlg.minMarginBottom);
System.Drawing.Printing.PrinterSettings settings = (this.printerSettings == null) ? this.pageSettings.PrinterSettings : this.printerSettings;
System.Windows.Forms.IntSecurity.AllPrintingAndUnmanagedCode.Assert();
try
{
pagesetupdlg.hDevMode = settings.GetHdevmode(this.pageSettings);
pagesetupdlg.hDevNames = settings.GetHdevnames();
}
finally
{
CodeAccessPermission.RevertAssert();
}
try
{
if (!UnsafeNativeMethods.PageSetupDlg(pagesetupdlg))
{
return false;
}
UpdateSettings(pagesetupdlg, this.pageSettings, this.printerSettings);
flag2 = true;
}
finally
{
UnsafeNativeMethods.GlobalFree(new HandleRef(pagesetupdlg, pagesetupdlg.hDevMode));
UnsafeNativeMethods.GlobalFree(new HandleRef(pagesetupdlg, pagesetupdlg.hDevNames));
}
return flag2;
}
protected override bool RunDialog(IntPtr hWndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.CHOOSEFONT cf = new System.Windows.Forms.NativeMethods.CHOOSEFONT();
IntPtr dC = System.Windows.Forms.UnsafeNativeMethods.GetDC(System.Windows.Forms.NativeMethods.NullHandleRef);
System.Windows.Forms.NativeMethods.LOGFONT logFont = new System.Windows.Forms.NativeMethods.LOGFONT();
Graphics graphics = Graphics.FromHdcInternal(dC);
System.Windows.Forms.IntSecurity.ObjectFromWin32Handle.Assert();
try
{
this.Font.ToLogFont(logFont, graphics);
}
finally
{
CodeAccessPermission.RevertAssert();
graphics.Dispose();
}
System.Windows.Forms.UnsafeNativeMethods.ReleaseDC(System.Windows.Forms.NativeMethods.NullHandleRef, new HandleRef(null, dC));
IntPtr zero = IntPtr.Zero;
try
{
zero = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.LOGFONT)));
Marshal.StructureToPtr(logFont, zero, false);
cf.lStructSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.CHOOSEFONT));
cf.hwndOwner = hWndOwner;
cf.hDC = IntPtr.Zero;
cf.lpLogFont = zero;
cf.Flags = (this.Options | 0x40) | 8;
if ((this.minSize > 0) || (this.maxSize > 0))
{
cf.Flags |= 0x2000;
}
if (this.ShowColor || this.ShowEffects)
{
cf.rgbColors = ColorTranslator.ToWin32(this.color);
}
else
{
cf.rgbColors = ColorTranslator.ToWin32(System.Drawing.Color.Black);
}
cf.lpfnHook = proc;
cf.hInstance = System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null);
cf.nSizeMin = this.minSize;
if (this.maxSize == 0)
{
cf.nSizeMax = 0x7fffffff;
}
else
{
cf.nSizeMax = this.maxSize;
}
if (!System.Windows.Forms.SafeNativeMethods.ChooseFont(cf))
{
return(false);
}
System.Windows.Forms.NativeMethods.LOGFONT logfont2 = null;
logfont2 = (System.Windows.Forms.NativeMethods.LOGFONT)System.Windows.Forms.UnsafeNativeMethods.PtrToStructure(zero, typeof(System.Windows.Forms.NativeMethods.LOGFONT));
if ((logfont2.lfFaceName != null) && (logfont2.lfFaceName.Length > 0))
{
logFont = logfont2;
this.UpdateFont(logFont);
this.UpdateColor(cf.rgbColors);
}
flag = true;
}
finally
{
if (zero != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(zero);
}
}
return(flag);
}
protected override bool RunDialog(IntPtr hwndOwner)
{
System.Windows.Forms.NativeMethods.PAGESETUPDLG pagesetupdlg;
bool flag2;
System.Windows.Forms.IntSecurity.SafePrinting.Demand();
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
if (this.pageSettings == null)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("PSDcantShowWithoutPage"));
}
pagesetupdlg = new System.Windows.Forms.NativeMethods.PAGESETUPDLG {
lStructSize = Marshal.SizeOf(pagesetupdlg),
Flags = this.GetFlags(),
hwndOwner = hwndOwner,
lpfnPageSetupHook = proc
};
PrinterUnit thousandthsOfAnInch = PrinterUnit.ThousandthsOfAnInch;
if (this.EnableMetric)
{
StringBuilder lpLCData = new StringBuilder(2);
if ((UnsafeNativeMethods.GetLocaleInfo(System.Windows.Forms.NativeMethods.LOCALE_USER_DEFAULT, 13, lpLCData, lpLCData.Capacity) > 0) && (int.Parse(lpLCData.ToString(), CultureInfo.InvariantCulture) == 0))
{
thousandthsOfAnInch = PrinterUnit.HundredthsOfAMillimeter;
}
}
if (this.MinMargins != null)
{
Margins margins = PrinterUnitConvert.Convert(this.MinMargins, PrinterUnit.Display, thousandthsOfAnInch);
pagesetupdlg.minMarginLeft = margins.Left;
pagesetupdlg.minMarginTop = margins.Top;
pagesetupdlg.minMarginRight = margins.Right;
pagesetupdlg.minMarginBottom = margins.Bottom;
}
if (this.pageSettings.Margins != null)
{
Margins margins2 = PrinterUnitConvert.Convert(this.pageSettings.Margins, PrinterUnit.Display, thousandthsOfAnInch);
pagesetupdlg.marginLeft = margins2.Left;
pagesetupdlg.marginTop = margins2.Top;
pagesetupdlg.marginRight = margins2.Right;
pagesetupdlg.marginBottom = margins2.Bottom;
}
pagesetupdlg.marginLeft = Math.Max(pagesetupdlg.marginLeft, pagesetupdlg.minMarginLeft);
pagesetupdlg.marginTop = Math.Max(pagesetupdlg.marginTop, pagesetupdlg.minMarginTop);
pagesetupdlg.marginRight = Math.Max(pagesetupdlg.marginRight, pagesetupdlg.minMarginRight);
pagesetupdlg.marginBottom = Math.Max(pagesetupdlg.marginBottom, pagesetupdlg.minMarginBottom);
System.Drawing.Printing.PrinterSettings settings = (this.printerSettings == null) ? this.pageSettings.PrinterSettings : this.printerSettings;
System.Windows.Forms.IntSecurity.AllPrintingAndUnmanagedCode.Assert();
try
{
pagesetupdlg.hDevMode = settings.GetHdevmode(this.pageSettings);
pagesetupdlg.hDevNames = settings.GetHdevnames();
}
finally
{
CodeAccessPermission.RevertAssert();
}
try
{
if (!UnsafeNativeMethods.PageSetupDlg(pagesetupdlg))
{
return(false);
}
UpdateSettings(pagesetupdlg, this.pageSettings, this.printerSettings);
flag2 = true;
}
finally
{
UnsafeNativeMethods.GlobalFree(new HandleRef(pagesetupdlg, pagesetupdlg.hDevMode));
UnsafeNativeMethods.GlobalFree(new HandleRef(pagesetupdlg, pagesetupdlg.hDevNames));
}
return(flag2);
}
protected override bool RunDialog(IntPtr hwndOwner)
{
System.Windows.Forms.IntSecurity.SafePrinting.Demand();
System.Windows.Forms.NativeMethods.WndProc hookProcPtr = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
if ((!this.UseEXDialog || (Environment.OSVersion.Platform != PlatformID.Win32NT)) || (Environment.OSVersion.Version.Major < 5))
{
System.Windows.Forms.NativeMethods.PRINTDLG printdlg = CreatePRINTDLG();
return this.ShowPrintDialog(hwndOwner, hookProcPtr, printdlg);
}
System.Windows.Forms.NativeMethods.PRINTDLGEX data = CreatePRINTDLGEX();
return this.ShowPrintDialog(hwndOwner, data);
}
public DialogResult ShowDialog(IWin32Window owner)
{
System.Windows.Forms.IntSecurity.SafeSubWindows.Demand();
if (!SystemInformation.UserInteractive)
{
throw new InvalidOperationException(System.Windows.Forms.SR.GetString("CantShowModalOnNonInteractive"));
}
NativeWindow window = null;
IntPtr zero = IntPtr.Zero;
DialogResult cancel = DialogResult.Cancel;
try
{
if (owner != null)
{
zero = Control.GetSafeHandle(owner);
}
if (zero == IntPtr.Zero)
{
zero = System.Windows.Forms.UnsafeNativeMethods.GetActiveWindow();
}
if (zero == IntPtr.Zero)
{
window = new NativeWindow();
window.CreateHandle(new CreateParams());
zero = window.Handle;
}
if (helpMsg == 0)
{
helpMsg = System.Windows.Forms.SafeNativeMethods.RegisterWindowMessage("commdlg_help");
}
System.Windows.Forms.NativeMethods.WndProc d = new System.Windows.Forms.NativeMethods.WndProc(this.OwnerWndProc);
this.hookedWndProc = Marshal.GetFunctionPointerForDelegate(d);
IntPtr userCookie = IntPtr.Zero;
try
{
this.defOwnerWndProc = System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, zero), -4, d);
if (Application.UseVisualStyles)
{
userCookie = System.Windows.Forms.UnsafeNativeMethods.ThemingScope.Activate();
}
Application.BeginModalMessageLoop();
try
{
cancel = this.RunDialog(zero) ? DialogResult.OK : DialogResult.Cancel;
}
finally
{
Application.EndModalMessageLoop();
}
return cancel;
}
finally
{
IntPtr windowLong = System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, zero), -4);
if ((IntPtr.Zero != this.defOwnerWndProc) || (windowLong != this.hookedWndProc))
{
System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, zero), -4, new HandleRef(this, this.defOwnerWndProc));
}
System.Windows.Forms.UnsafeNativeMethods.ThemingScope.Deactivate(userCookie);
this.defOwnerWndProc = IntPtr.Zero;
this.hookedWndProc = IntPtr.Zero;
GC.KeepAlive(d);
}
}
finally
{
if (window != null)
{
window.DestroyHandle();
}
}
return cancel;
}
private bool ShowPrintDialog(IntPtr hwndOwner, System.Windows.Forms.NativeMethods.WndProc hookProcPtr, System.Windows.Forms.NativeMethods.PRINTDLG data)
{
bool flag;
data.Flags = this.GetFlags();
data.nCopies = this.PrinterSettings.Copies;
data.hwndOwner = hwndOwner;
data.lpfnPrintHook = hookProcPtr;
System.Windows.Forms.IntSecurity.AllPrintingAndUnmanagedCode.Assert();
try
{
if (this.PageSettings == null)
{
data.hDevMode = this.PrinterSettings.GetHdevmode();
}
else
{
data.hDevMode = this.PrinterSettings.GetHdevmode(this.PageSettings);
}
data.hDevNames = this.PrinterSettings.GetHdevnames();
}
catch (InvalidPrinterException)
{
data.hDevMode = IntPtr.Zero;
data.hDevNames = IntPtr.Zero;
}
finally
{
CodeAccessPermission.RevertAssert();
}
try
{
if (this.AllowSomePages)
{
if ((this.PrinterSettings.FromPage < this.PrinterSettings.MinimumPage) || (this.PrinterSettings.FromPage > this.PrinterSettings.MaximumPage))
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("PDpageOutOfRange", new object[] { "FromPage" }));
}
if ((this.PrinterSettings.ToPage < this.PrinterSettings.MinimumPage) || (this.PrinterSettings.ToPage > this.PrinterSettings.MaximumPage))
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("PDpageOutOfRange", new object[] { "ToPage" }));
}
if (this.PrinterSettings.ToPage < this.PrinterSettings.FromPage)
{
throw new ArgumentException(System.Windows.Forms.SR.GetString("PDpageOutOfRange", new object[] { "FromPage" }));
}
data.nFromPage = (short)this.PrinterSettings.FromPage;
data.nToPage = (short)this.PrinterSettings.ToPage;
data.nMinPage = (short)this.PrinterSettings.MinimumPage;
data.nMaxPage = (short)this.PrinterSettings.MaximumPage;
}
if (!UnsafeNativeMethods.PrintDlg(data))
{
return(false);
}
System.Windows.Forms.IntSecurity.AllPrintingAndUnmanagedCode.Assert();
try
{
UpdatePrinterSettings(data.hDevMode, data.hDevNames, data.nCopies, data.Flags, this.settings, this.PageSettings);
}
finally
{
CodeAccessPermission.RevertAssert();
}
this.PrintToFile = (data.Flags & 0x20) != 0;
this.PrinterSettings.PrintToFile = this.PrintToFile;
if (this.AllowSomePages)
{
this.PrinterSettings.FromPage = data.nFromPage;
this.PrinterSettings.ToPage = data.nToPage;
}
if (((data.Flags & 0x40000) == 0) && (Environment.OSVersion.Version.Major >= 6))
{
this.PrinterSettings.Copies = data.nCopies;
this.PrinterSettings.Collate = (data.Flags & 0x10) == 0x10;
}
flag = true;
}
finally
{
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevMode));
UnsafeNativeMethods.GlobalFree(new HandleRef(data, data.hDevNames));
}
return(flag);
}
private void UnregisterClass()
{
if (this.registered && System.Windows.Forms.UnsafeNativeMethods.UnregisterClass(this.windowClassName, new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null))))
{
this.windowProc = null;
this.registered = false;
}
}
internal void AssignHandle(IntPtr handle, bool assignUniqueID)
{
lock (this)
{
this.CheckReleased();
this.handle = handle;
if (userDefWindowProc == IntPtr.Zero)
{
string lpProcName = (Marshal.SystemDefaultCharSize == 1) ? "DefWindowProcA" : "DefWindowProcW";
userDefWindowProc = System.Windows.Forms.UnsafeNativeMethods.GetProcAddress(new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle("user32.dll")), lpProcName);
if (userDefWindowProc == IntPtr.Zero)
{
throw new Win32Exception();
}
}
this.defWindowProc = System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -4);
if (WndProcShouldBeDebuggable)
{
this.windowProc = new System.Windows.Forms.NativeMethods.WndProc(this.DebuggableCallback);
}
else
{
this.windowProc = new System.Windows.Forms.NativeMethods.WndProc(this.Callback);
}
AddWindowToTable(handle, this);
System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, handle), -4, this.windowProc);
this.windowProcPtr = System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -4);
if ((assignUniqueID && ((((int) ((long) System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -16))) & 0x40000000) != 0)) && (((int) ((long) System.Windows.Forms.UnsafeNativeMethods.GetWindowLong(new HandleRef(this, handle), -12))) == 0))
{
System.Windows.Forms.UnsafeNativeMethods.SetWindowLong(new HandleRef(this, handle), -12, new HandleRef(this, handle));
}
if (this.suppressedGC)
{
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert();
try
{
GC.ReRegisterForFinalize(this);
}
finally
{
CodeAccessPermission.RevertAssert();
}
this.suppressedGC = false;
}
this.OnHandleChange();
}
}
private bool RunDialogOld(IntPtr hWndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.OPENFILENAME_I ofn = new System.Windows.Forms.NativeMethods.OPENFILENAME_I();
try
{
this.charBuffer = System.Windows.Forms.UnsafeNativeMethods.CharBuffer.CreateBuffer(0x2000);
if (this.fileNames != null)
{
this.charBuffer.PutString(this.fileNames[0]);
}
ofn.lStructSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.OPENFILENAME_I));
if ((Environment.OSVersion.Platform != PlatformID.Win32NT) || (Environment.OSVersion.Version.Major < 5))
{
ofn.lStructSize = 0x4c;
}
ofn.hwndOwner = hWndOwner;
ofn.hInstance = this.Instance;
ofn.lpstrFilter = MakeFilterString(this.filter, this.DereferenceLinks);
ofn.nFilterIndex = this.filterIndex;
ofn.lpstrFile = this.charBuffer.AllocCoTaskMem();
ofn.nMaxFile = 0x2000;
ofn.lpstrInitialDir = this.initialDir;
ofn.lpstrTitle = this.title;
ofn.Flags = this.Options | 0x880020;
ofn.lpfnHook = proc;
ofn.FlagsEx = 0x1000000;
if ((this.defaultExt != null) && this.AddExtension)
{
ofn.lpstrDefExt = this.defaultExt;
}
flag = this.RunFileDialog(ofn);
}
finally
{
this.charBuffer = null;
if (ofn.lpstrFile != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(ofn.lpstrFile);
}
}
return flag;
}
protected override bool RunDialog(IntPtr hWndOwner)
{
bool flag;
System.Windows.Forms.NativeMethods.WndProc proc = new System.Windows.Forms.NativeMethods.WndProc(this.HookProc);
System.Windows.Forms.NativeMethods.CHOOSEFONT cf = new System.Windows.Forms.NativeMethods.CHOOSEFONT();
IntPtr dC = System.Windows.Forms.UnsafeNativeMethods.GetDC(System.Windows.Forms.NativeMethods.NullHandleRef);
System.Windows.Forms.NativeMethods.LOGFONT logFont = new System.Windows.Forms.NativeMethods.LOGFONT();
Graphics graphics = Graphics.FromHdcInternal(dC);
System.Windows.Forms.IntSecurity.ObjectFromWin32Handle.Assert();
try
{
this.Font.ToLogFont(logFont, graphics);
}
finally
{
CodeAccessPermission.RevertAssert();
graphics.Dispose();
}
System.Windows.Forms.UnsafeNativeMethods.ReleaseDC(System.Windows.Forms.NativeMethods.NullHandleRef, new HandleRef(null, dC));
IntPtr zero = IntPtr.Zero;
try
{
zero = Marshal.AllocCoTaskMem(Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.LOGFONT)));
Marshal.StructureToPtr(logFont, zero, false);
cf.lStructSize = Marshal.SizeOf(typeof(System.Windows.Forms.NativeMethods.CHOOSEFONT));
cf.hwndOwner = hWndOwner;
cf.hDC = IntPtr.Zero;
cf.lpLogFont = zero;
cf.Flags = (this.Options | 0x40) | 8;
if ((this.minSize > 0) || (this.maxSize > 0))
{
cf.Flags |= 0x2000;
}
if (this.ShowColor || this.ShowEffects)
{
cf.rgbColors = ColorTranslator.ToWin32(this.color);
}
else
{
cf.rgbColors = ColorTranslator.ToWin32(System.Drawing.Color.Black);
}
cf.lpfnHook = proc;
cf.hInstance = System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null);
cf.nSizeMin = this.minSize;
if (this.maxSize == 0)
{
cf.nSizeMax = 0x7fffffff;
}
else
{
cf.nSizeMax = this.maxSize;
}
if (!System.Windows.Forms.SafeNativeMethods.ChooseFont(cf))
{
return false;
}
System.Windows.Forms.NativeMethods.LOGFONT logfont2 = null;
logfont2 = (System.Windows.Forms.NativeMethods.LOGFONT) System.Windows.Forms.UnsafeNativeMethods.PtrToStructure(zero, typeof(System.Windows.Forms.NativeMethods.LOGFONT));
if ((logfont2.lfFaceName != null) && (logfont2.lfFaceName.Length > 0))
{
logFont = logfont2;
this.UpdateFont(logFont);
this.UpdateColor(cf.rgbColors);
}
flag = true;
}
finally
{
if (zero != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(zero);
}
}
return flag;
}
private void RegisterClass()
{
string className;
System.Windows.Forms.NativeMethods.WNDCLASS_D wc = new System.Windows.Forms.NativeMethods.WNDCLASS_D();
if (NativeWindow.userDefWindowProc == IntPtr.Zero)
{
string lpProcName = (Marshal.SystemDefaultCharSize == 1) ? "DefWindowProcA" : "DefWindowProcW";
NativeWindow.userDefWindowProc = System.Windows.Forms.UnsafeNativeMethods.GetProcAddress(new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle("user32.dll")), lpProcName);
if (NativeWindow.userDefWindowProc == IntPtr.Zero)
{
throw new Win32Exception();
}
}
if (this.className == null)
{
wc.hbrBackground = System.Windows.Forms.UnsafeNativeMethods.GetStockObject(5);
wc.style = this.classStyle;
this.defWindowProc = NativeWindow.userDefWindowProc;
className = "Window." + Convert.ToString(this.classStyle, 0x10);
this.hashCode = 0;
}
else
{
System.Windows.Forms.NativeMethods.WNDCLASS_I wndclass_i = new System.Windows.Forms.NativeMethods.WNDCLASS_I();
bool flag = System.Windows.Forms.UnsafeNativeMethods.GetClassInfo(System.Windows.Forms.NativeMethods.NullHandleRef, this.className, wndclass_i);
int error = Marshal.GetLastWin32Error();
if (!flag)
{
throw new Win32Exception(error, System.Windows.Forms.SR.GetString("InvalidWndClsName"));
}
wc.style = wndclass_i.style;
wc.cbClsExtra = wndclass_i.cbClsExtra;
wc.cbWndExtra = wndclass_i.cbWndExtra;
wc.hIcon = wndclass_i.hIcon;
wc.hCursor = wndclass_i.hCursor;
wc.hbrBackground = wndclass_i.hbrBackground;
wc.lpszMenuName = Marshal.PtrToStringAuto(wndclass_i.lpszMenuName);
className = this.className;
this.defWindowProc = wndclass_i.lpfnWndProc;
this.hashCode = this.className.GetHashCode();
}
this.windowClassName = this.GetFullClassName(className);
this.windowProc = new System.Windows.Forms.NativeMethods.WndProc(this.Callback);
wc.lpfnWndProc = this.windowProc;
wc.hInstance = System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null);
wc.lpszClassName = this.windowClassName;
short num2 = System.Windows.Forms.UnsafeNativeMethods.RegisterClass(wc);
if (num2 == 0)
{
int num3 = Marshal.GetLastWin32Error();
if (num3 == 0x582)
{
System.Windows.Forms.NativeMethods.WNDCLASS_I wndclass_i2 = new System.Windows.Forms.NativeMethods.WNDCLASS_I();
if (System.Windows.Forms.UnsafeNativeMethods.GetClassInfo(new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null)), this.windowClassName, wndclass_i2) && (wndclass_i2.lpfnWndProc == NativeWindow.UserDefindowProc))
{
if (System.Windows.Forms.UnsafeNativeMethods.UnregisterClass(this.windowClassName, new HandleRef(null, System.Windows.Forms.UnsafeNativeMethods.GetModuleHandle(null))))
{
num2 = System.Windows.Forms.UnsafeNativeMethods.RegisterClass(wc);
}
else
{
do
{
domainQualifier++;
this.windowClassName = this.GetFullClassName(className);
wc.lpszClassName = this.windowClassName;
num2 = System.Windows.Forms.UnsafeNativeMethods.RegisterClass(wc);
}while ((num2 == 0) && (Marshal.GetLastWin32Error() == 0x582));
}
}
}
if (num2 == 0)
{
this.windowProc = null;
throw new Win32Exception(num3);
}
}
this.registered = true;
}
