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// Copyright (c) Microsoft Corporation. All rights reserved.
//
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND,
// WHETHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
// THE ENTIRE RISK OF USE OR RESULTS IN CONNECTION WITH THE USE OF THIS CODE
// AND INFORMATION REMAINS WITH THE USER.
/*********************************************************************
* NOTE: A copy of this file exists at: WF\Activities\Common
* The two files must be kept in sync. Any change made here must also
* be made to WF\Activities\Common\NativeMethods.cs
*********************************************************************/
namespace System.Workflow.Interop
{
using System;
using System.Runtime.InteropServices;
using System.Diagnostics.CodeAnalysis;
static class NativeMethods
{
internal const int HDI_WIDTH = 0x0001;
internal const int HDI_HEIGHT = HDI_WIDTH;
internal const int HDI_TEXT = 0x0002;
internal const int HDI_FORMAT = 0x0004;
internal const int HDI_LPARAM = 0x0008;
internal const int HDI_BITMAP = 0x0010;
internal const int HDI_IMAGE = 0x0020;
internal const int HDI_DI_SETITEM = 0x0040;
internal const int HDI_ORDER = 0x0080;
internal const int HDI_FILTER = 0x0100;
internal const int HDF_LEFT = 0x0000;
internal const int HDF_RIGHT = 0x0001;
internal const int HDF_CENTER = 0x0002;
internal const int HDF_JUSTIFYMASK = 0x0003;
internal const int HDF_RTLREADING = 0x0004;
internal const int HDF_OWNERDRAW = 0x8000;
internal const int HDF_STRING = 0x4000;
internal const int HDF_BITMAP = 0x2000;
internal const int HDF_BITMAP_ON_RIGHT = 0x1000;
internal const int HDF_IMAGE = 0x0800;
internal const int HDF_SORTUP = 0x0400;
internal const int HDF_SORTDOWN = 0x0200;
internal const int LVM_GETHEADER = (0x1000 + 31);
internal const int HDM_GETITEM = (0x1200 + 11);
internal const int HDM_SETITEM = (0x1200 + 12);
internal const int HORZRES = 8;
internal const int VERTRES = 10;
internal const int LOGPIXELSX = 88;
internal const int LOGPIXELSY = 90;
internal const int PHYSICALWIDTH = 110;
internal const int PHYSICALHEIGHT = 111;
internal const int PHYSICALOFFSETX = 112;
internal const int PHYSICALOFFSETY = 113;
internal const int WM_SETREDRAW = 0x000B;
internal const int HOLLOW_BRUSH = 5;
internal const int OBJ_PEN = 1;
internal const int OBJ_BRUSH = 2;
internal const int OBJ_EXTPEN = 11;
internal const int GM_ADVANCED = 2;
internal const int PS_COSMETIC = 0x00000000;
internal const int PS_USERSTYLE = 7;
internal const int BS_SOLID = 0;
internal const int WS_POPUP = unchecked((int)0x80000000);
internal const int WS_EX_DLGMODALFRAME = 0x00000001;
internal const int WM_SETICON = 0x0080;
internal const int SMALL_ICON = 0;
internal const int LARGE_ICON = 1;
internal const int PS_SOLID = 0;
internal const int SWP_NOSIZE = unchecked((int)0x0001);
internal const int SWP_NOZORDER = unchecked((int)0x0004);
internal const int SWP_NOACTIVATE = unchecked((int)0x0010);
internal const int WM_NOTIFY = unchecked((int)0x004E);
internal const int WM_SETFONT = unchecked((int)0x0030);
internal const int WS_EX_TOPMOST = unchecked((int)0x00000008L);
internal const int WM_KEYDOWN = 0x100;
internal const int WM_KEYUP = 0x101;
internal const int WM_SYSKEYDOWN = 0x104;
internal const int WM_SYSKEYUP = 0x105;
internal const int TTF_IDISHWND = (0x0001);
internal const int TTF_CENTERTIP = (0x0002);
internal const int TTF_RTLREADING = (0x0004);
internal const int TTF_SUBCLASS = (0x0010);
internal const int TTF_TRACK = (0x0020);
internal const int TTF_ABSOLUTE = (0x0080);
internal const int TTF_TRANSPARENT = (0x0100);
internal const int TTF_PARSELINKS = (0x1000);
internal const int TTF_DI_SETITEM = (0x8000);
internal const int TTS_ALWAYSTIP = (0x01);
internal const int TTS_NOPREFIX = (0x02);
internal const int TTS_NOANIMATE = (0x10);
internal const int TTS_NOFADE = (0x20);
internal const int TTS_BALLOON = (0x40);
internal const int TTS_CLOSE = (0x80);
internal const int TTDT_AUTOMATIC = 0;
internal const int TTDT_RESHOW = 1;
internal const int TTDT_AUTOPOP = 2;
internal const int TTDT_INITIAL = 3;
internal const int TTI_NONE = 0;
internal const int TTI_INFO = 1;
internal const int TTI_WARNING = 2;
internal const int TTI_ERROR = 3;
internal static readonly int TTN_GETDISPINFO;
internal static readonly int TTN_NEEDTEXT;
internal static readonly int TTN_SHOW = ((0 - 520) - 1);
internal static readonly int TTN_POP = ((0 - 520) - 2);
internal static readonly int TTM_POP = (0x0400 + 28);
internal static readonly int TTM_ADDTOOL;
internal static readonly int TTM_SETTITLE;
internal static readonly int TTM_DELTOOL;
internal static readonly int TTM_NEWTOOLRECT;
internal static readonly int TTM_GETTOOLINFO;
internal static readonly int TTM_SETTOOLINFO;
internal static readonly int TTM_HITTEST;
internal static readonly int TTM_GETTEXT;
internal static readonly int TTM_UPDATETIPTEXT;
internal static readonly int TTM_ENUMTOOLS;
internal static readonly int TTM_GETCURRENTTOOL;
internal static readonly int TTM_TRACKACTIVATE = (0x0400 + 17);
internal static readonly int TTM_TRACKPOSITION = (0x0400 + 18);
internal static readonly int TTM_ACTIVATE = (0x0400 + 1);
internal static readonly int TTM_ADJUSTRECT = (0x400 + 31);
internal static readonly int TTM_SETDELAYTIME = (0x0400 + 3);
internal static readonly int TTM_RELAYEVENT = (0x0400 + 7);
internal static readonly int TTM_UPDATE = (0x0400 + 29);
internal static readonly int TTM_WINDOWFROMPOINT = (0x0400 + 16);
internal static readonly int TTM_GETDELAYTIME = (0x0400 + 21);
internal static readonly int TTM_SETMAXTIPWIDTH = (0x0400 + 24);
private const int TTN_GETDISPINFOA = ((0 - 520) - 0);
private const int TTN_GETDISPINFOW = ((0 - 520) - 10);
private const int TTN_NEEDTEXTA = ((0 - 520) - 0);
private const int TTN_NEEDTEXTW = ((0 - 520) - 10);
private const int TTM_SETTITLEA = (0x0400 + 32);
private const int TTM_SETTITLEW = (0x0400 + 33);
private const int TTM_ADDTOOLA = (0x0400 + 4);
private const int TTM_ADDTOOLW = (0x0400 + 50);
private const int TTM_DELTOOLA = (0x0400 + 5);
private const int TTM_DELTOOLW = (0x0400 + 51);
private const int TTM_NEWTOOLRECTA = (0x0400 + 6);
private const int TTM_NEWTOOLRECTW = (0x0400 + 52);
private const int TTM_GETTOOLINFOA = (0x0400 + 8);
private const int TTM_GETTOOLINFOW = (0x0400 + 53);
private const int TTM_SETTOOLINFOA = (0x0400 + 9);
private const int TTM_SETTOOLINFOW = (0x0400 + 54);
private const int TTM_HITTESTA = (0x0400 + 10);
private const int TTM_HITTESTW = (0x0400 + 55);
private const int TTM_GETTEXTA = (0x0400 + 11);
private const int TTM_GETTEXTW = (0x0400 + 56);
private const int TTM_UPDATETIPTEXTA = (0x0400 + 12);
private const int TTM_UPDATETIPTEXTW = (0x0400 + 57);
private const int TTM_ENUMTOOLSA = (0x0400 + 14);
private const int TTM_ENUMTOOLSW = (0x0400 + 58);
private const int TTM_GETCURRENTTOOLA = (0x0400 + 15);
private const int TTM_GETCURRENTTOOLW = (0x0400 + 59);
private const int S_OK = 0x00000000;
// If this value is used, %windows%\system32 is searched for the DLL
// and its dependencies. Directories in the standard search path are not searched.
// Windows7, Windows Server 2008 R2, Windows Vista and Windows Server 2008:
// This value requires KB2533623 to be installed.
// Windows Server 2003 and Windows XP: This value is not supported.
private const int LOAD_LIBRARY_SEARCH_SYSTEM32 = 0x00000800;
// A cached value for IsDynamicCodePolicyEnabled so we only need to do the check once.
// -1 => we haven't checked it yet.
// 0 => DynamicCodePolicy is NOT enabled.
// > 0 => DynamicCodePolicy IS enabled.
private static int cachedIsDynamicCodePolicyEnabled = -1;
static NativeMethods()
{
if (Marshal.SystemDefaultCharSize == 1)
{
TTN_GETDISPINFO = TTN_GETDISPINFOA;
TTN_NEEDTEXT = TTN_NEEDTEXTA;
TTM_ADDTOOL = TTM_ADDTOOLA;
TTM_SETTITLE = TTM_SETTITLEA;
TTM_DELTOOL = TTM_DELTOOLA;
TTM_NEWTOOLRECT = TTM_NEWTOOLRECTA;
TTM_GETTOOLINFO = TTM_GETTOOLINFOA;
TTM_SETTOOLINFO = TTM_SETTOOLINFOA;
TTM_HITTEST = TTM_HITTESTA;
TTM_GETTEXT = TTM_GETTEXTA;
TTM_UPDATETIPTEXT = TTM_UPDATETIPTEXTA;
TTM_ENUMTOOLS = TTM_ENUMTOOLSA;
TTM_GETCURRENTTOOL = TTM_GETCURRENTTOOLA;
}
else
{
TTN_GETDISPINFO = TTN_GETDISPINFOW;
TTN_NEEDTEXT = TTN_NEEDTEXTW;
TTM_ADDTOOL = TTM_ADDTOOLW;
TTM_SETTITLE = TTM_SETTITLEW;
TTM_DELTOOL = TTM_DELTOOLW;
TTM_NEWTOOLRECT = TTM_NEWTOOLRECTW;
TTM_GETTOOLINFO = TTM_GETTOOLINFOW;
TTM_SETTOOLINFO = TTM_SETTOOLINFOW;
TTM_HITTEST = TTM_HITTESTW;
TTM_GETTEXT = TTM_GETTEXTW;
TTM_UPDATETIPTEXT = TTM_UPDATETIPTEXTW;
TTM_ENUMTOOLS = TTM_ENUMTOOLSW;
TTM_GETCURRENTTOOL = TTM_GETCURRENTTOOLW;
}
}
internal static bool Failed(int hr)
{
return (hr < 0);
}
internal static int ThrowOnFailure(int hr)
{
return ThrowOnFailure(hr, null);
}
internal static int ThrowOnFailure(int hr, params int[] expectedHRFailure)
{
if (Failed(hr))
{
if ((null == expectedHRFailure) || (Array.IndexOf(expectedHRFailure, hr) < 0))
{
Marshal.ThrowExceptionForHR(hr);
}
}
return hr;
}
internal static IntPtr ListView_GetHeader(IntPtr hWndLV)
{
return SendMessage(hWndLV, LVM_GETHEADER, IntPtr.Zero, IntPtr.Zero);
}
internal static bool Header_GetItem(IntPtr hWndHeader, int index, [In, Out] NativeMethods.HDITEM hdi)
{
IntPtr success = SendMessage(hWndHeader, HDM_GETITEM, new IntPtr(index), hdi);
return (success != IntPtr.Zero) ? true : false;
}
internal static bool Header_SetItem(IntPtr hWndHeader, int index, [In, Out] NativeMethods.HDITEM hdi)
{
IntPtr success = SendMessage(hWndHeader, HDM_SETITEM, new IntPtr(index), hdi);
return (success != IntPtr.Zero) ? true : false;
}
//[DllImport("gdi32.dll", ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
//public static extern IntPtr CreateSolidBrush(int crColor);
//[DllImport("gdi32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
//internal static extern bool RoundRect(HandleRef hDC, int left, int top, int right, int bottom, int width, int height);
//[DllImport("gdi32.dll", ExactSpelling = true, EntryPoint = "CreatePen", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
//internal static extern IntPtr CreatePen(int nStyle, int nWidth, int crColor);
[DllImport("gdi32", EntryPoint = "DeleteObject", CharSet = CharSet.Auto)]
internal static extern bool DeleteObject(IntPtr hObject);
[System.Runtime.InteropServices.DllImport("gdi32.dll", ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern int GetDeviceCaps(IntPtr hDC, int nIndex);
[DllImport("user32", CharSet = CharSet.Auto)]
public static extern IntPtr SendMessage(IntPtr hWnd, int msg, IntPtr wParam, [In, Out] NativeMethods.HDITEM lParam);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public extern static bool IsWindowVisible(IntPtr hWnd);
[DllImport("user32.dll", CharSet = CharSet.Auto)]
public extern static IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern bool LineTo(HandleRef hdc, int x, int y);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern bool MoveToEx(HandleRef hdc, int x, int y, POINT pt);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = CharSet.Auto)]
public static extern IntPtr SelectObject(HandleRef hdc, HandleRef obj);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern IntPtr GetCurrentObject(HandleRef hDC, uint uObjectType);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern int DeleteObject(HandleRef hObject);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern IntPtr ExtCreatePen(int style, int nWidth, LOGBRUSH logbrush, int styleArrayLength, int[] styleArray);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern int SetWorldTransform(HandleRef hdc, XFORM xform);
[DllImport("gdi32.dll", SetLastError = true, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)]
public static extern int SetGraphicsMode(HandleRef hdc, int iMode);
[DllImport("user32.dll")]
internal static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, ref TOOLINFO ti);
[DllImport("user32.dll")]
internal static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, ref RECT rc);
[DllImport("user32.dll")]
internal static extern int SetWindowPos(IntPtr hWnd, IntPtr hwndInsertAfter, int x, int y, int width, int height, int flags);
/// <summary>
/// Retrieves a value that describes the Device Guard policy enforcement status for .NET dynamic code.
/// introduced in RS4 (Win10 1803)
/// </summary>
/// <param name="enabled">On success, returns true if the Device Guard policy enforces .NET Dynamic Code policy; otherwise, returns false.</param>
/// <returns>This method returns S_OK if successful or a failure code otherwise.</returns>
[DllImport("wldp.dll", ExactSpelling = true)]
internal static extern int WldpIsDynamicCodePolicyEnabled([Out] out int enabled);
[DllImport("kernel32.dll", SetLastError = true, CharSet = CharSet.Auto)]
public static extern IntPtr GetModuleHandle(string modName);
[DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true, CharSet = CharSet.Ansi)]
public static extern IntPtr GetProcAddress(HandleRef hModule, string lpProcName);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true, BestFitMapping = false)]
private static extern IntPtr LoadLibraryEx(string lpModuleName, IntPtr hFile, uint dwFlags);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
private static extern IntPtr LoadLibrary(string libname);
[DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
public static extern bool FreeLibrary(HandleRef hModule);
/// <summary>
/// Loads library from system path only.
/// </summary>
/// <param name="libraryName"> Library name</param>
/// <returns>module handle to the specified library if available. Otherwise, returns Intptr.Zero.</returns>
private static IntPtr LoadLibraryFromSystemPathIfAvailable(string libraryName)
{
IntPtr module = IntPtr.Zero;
// KB2533623 introduced the LOAD_LIBRARY_SEARCH_SYSTEM32 flag. It also introduced
// the AddDllDirectory function. We test for presence of AddDllDirectory as an
// indirect evidence for the support of LOAD_LIBRARY_SEARCH_SYSTEM32 flag.
IntPtr kernel32 = GetModuleHandle("kernel32.dll");
if (kernel32 != IntPtr.Zero)
{
if (GetProcAddress(new HandleRef(null, kernel32), "AddDllDirectory") != IntPtr.Zero)
{
module = LoadLibraryEx(libraryName, IntPtr.Zero, LOAD_LIBRARY_SEARCH_SYSTEM32);
}
else
{
// LOAD_LIBRARY_SEARCH_SYSTEM32 is not supported on this OS.
// Fall back to using plain ol' LoadLibrary
// There is risk that this call might fail, or that it might be
// susceptible to DLL hijacking.
module = LoadLibrary(libraryName);
}
}
return module;
}
private static bool IsApiAvailable(string libName, string procName)
{
bool isAvailable = false;
if (!string.IsNullOrEmpty(libName) && !string.IsNullOrEmpty(procName))
{
//load library from system path.
IntPtr hmod = NativeMethods.LoadLibraryFromSystemPathIfAvailable(libName);
if (hmod != IntPtr.Zero)
{
IntPtr pfnProc = NativeMethods.GetProcAddress(new HandleRef(isAvailable, hmod), procName);
if (pfnProc != IntPtr.Zero)
{
isAvailable = true;
}
}
NativeMethods.FreeLibrary(new HandleRef(isAvailable, hmod));
}
return isAvailable;
}
internal static bool IsDynamicCodePolicyEnabled()
{
if (cachedIsDynamicCodePolicyEnabled == -1)
{
int result = 0;
if (IsApiAvailable("wldp.dll", "WldpIsDynamicCodePolicyEnabled"))
{
// Default to a compatible case
int isEnabled = 0;
int status = NativeMethods.WldpIsDynamicCodePolicyEnabled(out isEnabled);
result = (((status == NativeMethods.S_OK) && (isEnabled != 0)) ? 1 : 0);
}
cachedIsDynamicCodePolicyEnabled = result;
}
return (cachedIsDynamicCodePolicyEnabled > 0);
}
[System.Runtime.InteropServices.ComVisible(false), StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)]
internal class HDITEM
{
public int mask = 0;
public int cxy = 0;
public IntPtr pszText = IntPtr.Zero;
public IntPtr hbm = IntPtr.Zero;
public int cchTextMax = 0;
public int fmt = 0;
public int lParam = 0;
public int image = 0;
public int order = 0;
public int type = 0;
public IntPtr filter = IntPtr.Zero;
}
[StructLayout(LayoutKind.Sequential)]
internal class XFORM
{
//Default is identity matrix
public float eM11 = 1.0f;
public float eM12 = 0.0f;
public float eM21 = 0.0f;
public float eM22 = 1.0f;
public float eDx = 0.0f;
public float eDy = 0.0f;
public XFORM()
{
}
public XFORM(System.Drawing.Drawing2D.Matrix transform)
{
this.eM11 = transform.Elements[0];
this.eM12 = transform.Elements[1];
this.eM21 = transform.Elements[2];
this.eM22 = transform.Elements[3];
this.eDx = transform.Elements[4];
this.eDy = transform.Elements[5];
}
}
[StructLayout(LayoutKind.Sequential)]
internal class LOGBRUSH
{
public int lbStyle;
public int lbColor;
public long lbHatch;
public LOGBRUSH(int style, int color, int hatch)
{
this.lbStyle = style;
this.lbColor = color;
this.lbHatch = hatch;
}
}
[StructLayout(LayoutKind.Sequential)]
internal class POINT
{
public int x;
public int y;
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Auto)]
internal class NMHDR
{
public IntPtr hwndFrom;
public int idFrom;
public int code;
public NMHDR()
{
this.hwndFrom = IntPtr.Zero;
this.idFrom = 0;
this.code = 0;
}
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Auto)]
internal struct RECT
{
public int left;
public int top;
public int right;
public int bottom;
}
[StructLayout(LayoutKind.Sequential, Pack = 1, CharSet = CharSet.Auto)]
internal struct TOOLINFO
{
public int size;
public int flags;
public IntPtr hwnd;
public IntPtr id;
public RECT rect;
public IntPtr hinst;
[SuppressMessage("Microsoft.Reliability", "CA2006:UseSafeHandleToEncapsulateNativeResources", Justification = "Not a security threat since its used by designer scenarios only")]
public IntPtr text;
public IntPtr lParam;
}
}
}
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