using System;
using System.Runtime.InteropServices;
namespace ImgDlgSample
{
/// <summary>
/// Define the window messages
/// </summary>
public static class WindowsMessage
{
public const Int32 WM_LBUTTONDOWN = 0x0201;
public const Int32 WM_NCLBUTTONDOWN = 0x00A1;
public const Int32 WM_SYSCOMMAND = 0x112;
public const Int32 WM_PAINT = 0x000F;
public const Int32 WM_MOVE = 0x0003;
public const Int32 WM_CTLCOLORMSGBOX = 0x0132;
public const Int32 WM_CTLCOLOREDIT = 0x0133;
public const Int32 WM_CTLCOLORLISTBOX = 0x0134;
public const Int32 WM_CTLCOLORBTN = 0x0135;
public const Int32 WM_CTLCOLORDLG = 0x0136;
public const Int32 WM_CTLCOLORSCROLLBAR = 0x0137;
public const Int32 WM_CTLCOLORSTATIC = 0x0138;
public const Int32 WM_CAPTURECHANGED = 0x0215;
}
/// <summary>
/// Define the window class types
/// </summary>
public static class WndClassType
{
public const Int32 CS_VREDRAW = 0x0001;
public const Int32 CS_HREDRAW = 0x0002;
public const Int32 CS_DBLCLKS = 0x0008;
public const Int32 CS_OWNDC = 0x0020;
public const Int32 CS_CLASSDC = 0x0040;
public const Int32 CS_PARENTDC = 0x0080;
public const Int32 CS_NOCLOSE = 0x0200;
public const Int32 CS_SAVEBITS = 0x0800;
public const Int32 CS_BYTEALIGNCLIENT = 0x1000;
public const Int32 CS_BYTEALIGNWINDOW = 0x2000;
public const Int32 CS_GLOBALCLASS = 0x4000;
public const Int32 CS_IME = 0x00010000;
public const Int32 CS_DROPSHADOW = 0x00020000;
}
/// <summary>
/// Window style
/// </summary>
public static class WndStyle
{
public const UInt32 WS_OVERLAPPED = 0x00000000;
public const UInt32 WS_POPUP = 0x80000000;
public const UInt32 WS_CHILD = 0x40000000;
public const UInt32 WS_MINIMIZE = 0x20000000;
public const UInt32 WS_VISIBLE = 0x10000000;
public const UInt32 WS_DISABLED = 0x08000000;
public const UInt32 WS_CLIPSIBLINGS = 0x04000000;
public const UInt32 WS_CLIPCHILDREN = 0x02000000;
public const UInt32 WS_MAXIMIZE = 0x01000000;
public const UInt32 WS_CAPTION = 0x00C00000;
public const UInt32 WS_BORDER = 0x00800000;
public const UInt32 WS_DLGFRAME = 0x00400000;
public const UInt32 WS_VSCROLL = 0x00200000;
public const UInt32 WS_HSCROLL = 0x00100000;
public const UInt32 WS_SYSMENU = 0x00080000;
public const UInt32 WS_THICKFRAME = 0x00040000;
public const UInt32 WS_GROUP = 0x00020000;
public const UInt32 WS_TABSTOP = 0x00010000;
public const UInt32 WS_MINIMIZEBOX = 0x00020000;
public const UInt32 WS_MAXIMIZEBOX = 0x00010000;
public const UInt32 WS_TILED = WS_OVERLAPPED;
public const UInt32 WS_ICONIC = WS_MINIMIZE;
public const UInt32 WS_SIZEBOX = WS_THICKFRAME;
public const UInt32 WS_TILEDWINDOW = WS_OVERLAPPEDWINDOW;
public const UInt32 WS_OVERLAPPEDWINDOW = (WS_OVERLAPPED | WS_CAPTION | WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX);
public const UInt32 WS_POPUPWINDOW = (WS_POPUP | WS_BORDER | WS_SYSMENU);
public const UInt32 WS_CHILDWINDOW = (WS_CHILD);
}
/// <summary>
/// Extended Window Styles
/// </summary>
public static class ExtendedWndStyle
{
public const UInt32 WS_EX_DLGMODALFRAME = 0x00000001;
public const UInt32 WS_EX_NOPARENTNOTIFY = 0x00000004;
public const UInt32 WS_EX_TOPMOST = 0x00000008;
public const UInt32 WS_EX_ACCEPTFILES = 0x00000010;
public const UInt32 WS_EX_TRANSPARENT = 0x00000020;
public const UInt32 WS_EX_MDICHILD = 0x00000040;
public const UInt32 WS_EX_TOOLWINDOW = 0x00000080;
public const UInt32 WS_EX_WINDOWEDGE = 0x00000100;
public const UInt32 WS_EX_CLIENTEDGE = 0x00000200;
public const UInt32 WS_EX_CONTEXTHELP = 0x00000400;
public const UInt32 WS_EX_RIGHT = 0x00001000;
public const UInt32 WS_EX_LEFT = 0x00000000;
public const UInt32 WS_EX_RTLREADING = 0x00002000;
public const UInt32 WS_EX_LTRREADING = 0x00000000;
public const UInt32 WS_EX_LEFTSCROLLBAR = 0x00004000;
public const UInt32 WS_EX_RIGHTSCROLLBAR = 0x00000000;
public const UInt32 WS_EX_CONTROLPARENT = 0x00010000;
public const UInt32 WS_EX_STATICEDGE = 0x00020000;
public const UInt32 WS_EX_APPWINDOW = 0x00040000;
public const UInt32 WS_EX_OVERLAPPEDWINDOW = (WS_EX_WINDOWEDGE | WS_EX_CLIENTEDGE);
public const UInt32 WS_EX_PALETTEWINDOW = (WS_EX_WINDOWEDGE | WS_EX_TOOLWINDOW | WS_EX_TOPMOST);
public const UInt32 WS_EX_LAYERED = 0x00080000;
public const UInt32 WS_EX_NOINHERITLAYOUT = 0x00100000;
public const UInt32 WS_EX_LAYOUTRTL = 0x00400000;
public const UInt32 WS_EX_COMPOSITED = 0x02000000;
public const UInt32 WS_EX_NOACTIVATE = 0x08000000;
}
/// <summary>
/// WNDPROC
/// </summary>
/// <param name="hWnd"></param>
/// <param name="msg"></param>
/// <param name="wParam"></param>
/// <param name="lParam"></param>
/// <returns></returns>
public delegate IntPtr WndProcDelegate(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);
/// <summary>
/// WNDCLASSEX
/// </summary>
[StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
public struct WNDCLASSEX
{
[MarshalAs(UnmanagedType.U4)]
public uint cbSize;
[MarshalAs(UnmanagedType.U4)]
public uint style;
public WndProcDelegate lpfnWndProc;
public int cbClsExtra;
public int cbWndExtra;
public IntPtr hInstance;
public IntPtr hIcon;
public IntPtr hCursor;
public IntPtr hbrBackground;
[MarshalAs(UnmanagedType.LPWStr)]
public string lpszMenuName;
[MarshalAs(UnmanagedType.LPWStr)]
public string lpszClassName;
public IntPtr hIconSm;
public void Init()
{
cbSize = (uint)Marshal.SizeOf(this);
}
}
/// <summary>
/// The wrapper class for user32.dll
/// </summary>
public static class User32Dll
{
[DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = false)]
public static extern IntPtr SendMessage(IntPtr hWnd, Int32 nMsg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll", CharSet = CharSet.Unicode)]
public static extern IntPtr CreateWindowEx( uint dwExStyle
, string lpClassName
, string lpWindowName
, uint dwStyle
, int x
, int y
, int nWidth
, int nHeight
, IntPtr hWndParent
, IntPtr hMenu
, IntPtr hInstance
, IntPtr lpParam
);
[DllImport("user32.dll", CharSet = CharSet.Unicode)]
[return: MarshalAs(UnmanagedType.U2)]
public static extern short RegisterClassEx([In] ref WNDCLASSEX lpwcx);
[DllImport("user32.dll")]
public static extern IntPtr DefWindowProc(IntPtr hWnd, uint uMsg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll")]
public static extern bool UnregisterClass(string lpClassName, IntPtr hInstance);
[DllImport("user32.dll")]
public static extern IntPtr LoadCursor(IntPtr hInstance, int lpCursorName);
[DllImport("user32.dll")]
public static extern bool DestroyWindow(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern IntPtr GetDC(IntPtr hWnd);
[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]
public static extern bool UpdateLayeredWindow(IntPtr hwnd
, IntPtr hdcDst
, ref POINT pptDst
, ref SIZE psize
, IntPtr hdcSrc
, ref POINT pptSrc
, uint crKey
, [In] ref BLENDFUNCTION pblend
, uint dwFlags
);
[DllImport("user32.dll")]
[return: MarshalAs(UnmanagedType.Bool)]
public static extern bool IsWindow(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern bool MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint);
public static IntPtr SetWindowLongPtr(IntPtr hWnd, int nIndex, IntPtr dwNewLong)
{
if (IntPtr.Size == 8)
return SetWindowLongPtr64(hWnd, nIndex, dwNewLong);
else
return new IntPtr(SetWindowLong32(hWnd, nIndex, dwNewLong.ToInt32()));
}
[DllImport("user32.dll", EntryPoint = "SetWindowLongW")]
private static extern int SetWindowLong32(IntPtr hWnd, int nIndex, int dwNewLong);
[DllImport("user32.dll", EntryPoint = "SetWindowLongPtrW")]
private static extern IntPtr SetWindowLongPtr64(IntPtr hWnd, int nIndex, IntPtr dwNewLong);
[DllImport("user32.dll", EntryPoint = "GetWindowLongW")]
private static extern int GetWindowLongPtr32(IntPtr hWnd, int nIndex);
[DllImport("user32.dll", EntryPoint = "GetWindowLongPtrW")]
private static extern IntPtr GetWindowLongPtr64(IntPtr hWnd, int nIndex);
public static IntPtr GetWindowLongPtr(IntPtr hWnd, int nIndex)
{
if (IntPtr.Size == 8)
return GetWindowLongPtr64(hWnd, nIndex);
else
return new IntPtr(GetWindowLongPtr32(hWnd, nIndex));
}
[DllImport("user32.dll")]
public static extern IntPtr CallWindowProc(IntPtr lpPrevWndFunc, IntPtr hWnd, uint Msg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll")]
public static extern int GetCaretPos(out POINT lpPoint);
}
}
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