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flashdevelop/PluginCore/TabControl/NativeMethods.cs at open_folder · SandersAlex/flashdevelop · GitHub

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/*

* This code is provided under the Code Project Open Licence (CPOL)

* See http://www.codeproject.com/info/cpol10.aspx for details

*/

using System.Drawing;

using System.Reflection;

using System.Runtime.InteropServices;

using System.Security.Permissions;

using System.Windows.Forms;

namespace System.Windows.Forms

{

/// <summary>

/// Description of NativeMethods.

/// </summary>

//[SecurityPermission(SecurityAction.Assert, Flags=SecurityPermissionFlag.UnmanagedCode)]

internal sealed class NativeMethods

{

private NativeMethods(){}

#region Windows Constants

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WM_GETTABRECT = 0x130a;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WS_EX_TRANSPARENT = 0x20;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WM_SETFONT = 0x30;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WM_FONTCHANGE = 0x1d;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WM_HSCROLL = 0x114;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int TCM_HITTEST = 0x130D;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WM_PAINT = 0xf;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WS_EX_LAYOUTRTL = 0x400000;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public const int WS_EX_NOINHERITLAYOUT = 0x100000;

#endregion

#region Content Alignment

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public static readonly ContentAlignment AnyRightAlign = ContentAlignment.BottomRight | ContentAlignment.MiddleRight | ContentAlignment.TopRight;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public static readonly ContentAlignment AnyLeftAlign = ContentAlignment.BottomLeft | ContentAlignment.MiddleLeft | ContentAlignment.TopLeft;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public static readonly ContentAlignment AnyTopAlign = ContentAlignment.TopRight | ContentAlignment.TopCenter | ContentAlignment.TopLeft;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public static readonly ContentAlignment AnyBottomAlign = ContentAlignment.BottomRight | ContentAlignment.BottomCenter | ContentAlignment.BottomLeft;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public static readonly ContentAlignment AnyMiddleAlign = ContentAlignment.MiddleRight | ContentAlignment.MiddleCenter | ContentAlignment.MiddleLeft;

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1823:AvoidUnusedPrivateFields")]

public static readonly ContentAlignment AnyCenterAlign = ContentAlignment.BottomCenter | ContentAlignment.MiddleCenter | ContentAlignment.TopCenter;

#endregion

#region User32.dll

// [DllImport("user32.dll"), SecurityPermission(SecurityAction.Demand)]

// public static extern IntPtr SendMessage(IntPtr hWnd, UInt32 msg, IntPtr wParam, IntPtr lParam);

public static IntPtr SendMessage (IntPtr hWnd, int msg, IntPtr wParam, IntPtr lParam){

// This Method replaces the User32 method SendMessage, but will only work for sending

// messages to Managed controls.

Control control = Control.FromHandle(hWnd);

if (control == null){

return IntPtr.Zero;

}

Message message = new Message();

message.HWnd = hWnd;

message.LParam = lParam;

message.WParam = wParam;

message.Msg = msg;

MethodInfo wproc = control.GetType().GetMethod("WndProc"

, BindingFlags.NonPublic

| BindingFlags.InvokeMethod

| BindingFlags.FlattenHierarchy

| BindingFlags.IgnoreCase

| BindingFlags.Instance);

object[] args = new object[] {message};

wproc.Invoke(control, args);

return ((Message)args[0]).Result;

}

// [DllImport("user32.dll")]

// public static extern IntPtr BeginPaint(IntPtr hWnd, ref PAINTSTRUCT paintStruct);

//

// [DllImport("user32.dll")]

// [return: MarshalAs(UnmanagedType.Bool)]

// public static extern bool EndPaint(IntPtr hWnd, ref PAINTSTRUCT paintStruct);

//

#endregion

#region Misc Functions

public static int LoWord(IntPtr dWord){

return dWord.ToInt32() & 0xffff;

}

public static int HiWord(IntPtr dWord){

if ((dWord.ToInt32() & 0x80000000) == 0x80000000)

return (dWord.ToInt32() >> 16);

else

return (dWord.ToInt32() >> 16) & 0xffff;

}

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2106:SecureAsserts")]

[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Security", "CA2122:DoNotIndirectlyExposeMethodsWithLinkDemands")]

public static IntPtr ToIntPtr(object structure){

IntPtr lparam = IntPtr.Zero;

lparam = Marshal.AllocCoTaskMem(Marshal.SizeOf(structure));

Marshal.StructureToPtr(structure, lparam, false);

return lparam;

}

#endregion

#region Windows Structures and Enums

[Flags()]

public enum TCHITTESTFLAGS{

TCHT_NOWHERE = 1,

TCHT_ONITEMICON = 2,

TCHT_ONITEMLABEL = 4,

TCHT_ONITEM = TCHT_ONITEMICON | TCHT_ONITEMLABEL

}

[StructLayout(LayoutKind.Sequential)]

public struct TCHITTESTINFO{

public TCHITTESTINFO(Point location){

pt = location;

flags = TCHITTESTFLAGS.TCHT_ONITEM;

}

public Point pt;

public TCHITTESTFLAGS flags;

}

[StructLayout(LayoutKind.Sequential, Pack = 4)]

public struct PAINTSTRUCT{

public IntPtr hdc;

public int fErase;

public RECT rcPaint;

public int fRestore;

public int fIncUpdate;

[MarshalAs(UnmanagedType.ByValArray, SizeConst=32)]

public byte[] rgbReserved;

}

[StructLayout(LayoutKind.Sequential)]

public struct RECT{

public int left;

public int top;

public int right;

public int bottom;

public RECT(int left, int top, int right, int bottom){

this.left = left;

this.top = top;

this.right = right;

this.bottom = bottom;

}

public RECT(Rectangle r){

this.left = r.Left;

this.top = r.Top;

this.right = r.Right;

this.bottom = r.Bottom;

}

public static RECT FromXYWH(int x, int y, int width, int height){

return new RECT(x, y, x + width, y + height);

}

public static RECT FromIntPtr(IntPtr ptr){

RECT rect = (RECT)Marshal.PtrToStructure(ptr, typeof(RECT));

return rect;

}

public Size Size{

get{

return new Size(this.right - this.left, this.bottom - this.top);

}

}

}

#endregion

}

}

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