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Got rid of MessageBoxEx

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Roman Belkov 2015-03-25 23:10:28 +03:00
parent 55cd4b67cc
commit 13a556e038
2 changed files with 0 additions and 198 deletions
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1
DiskImager/DiskImager.csproj
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@ -93,7 +93,6 @@
<Compile Include="MainForm.Designer.cs">
<DependentUpon>MainForm.cs</DependentUpon>
</Compile>
<Compile Include="MessageBoxEx.cs" />
<Compile Include="NativeMethods.cs" />
<Compile Include="Program.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />

197
DiskImager/MessageBoxEx.cs
View file

@ -1,197 +0,0 @@
/**
* DiskImager - a tool for writing / reading images on SD cards
*
* Copyright 2013, 2014 by Alex J. Lennon <ajlennon@dynamicdevices.co.uk>
*
* Licensed under GNU General Public License 3.0 or later.
* Some rights reserved. See LICENSE, AUTHORS.
*
* @license GPL-3.0+ <http://www.gnu.org/licenses/gpl-3.0.en.html>
*/
using System;
using System.Windows.Forms;
using System.Text;
using System.Drawing;
using System.Runtime.InteropServices;
namespace DynamicDevices.DiskWriter
{
public class MessageBoxEx
{
private static readonly HookProc _hookProc;
private static IntPtr _hHook;
public static IntPtr Owner { get; set; }
public static DialogResult Show(string text)
{
Initialize();
return MessageBox.Show(text);
}
public static DialogResult Show(string text, string caption)
{
Initialize();
return MessageBox.Show(text, caption);
}
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons)
{
Initialize();
return MessageBox.Show(text, caption, buttons);
}
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon)
{
Initialize();
return MessageBox.Show(text, caption, buttons, icon);
}
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defButton)
{
Initialize();
return MessageBox.Show(text, caption, buttons, icon, defButton);
}
public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defButton, MessageBoxOptions options)
{
Initialize();
return MessageBox.Show(text, caption, buttons, icon, defButton, options);
}
public delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam);
public delegate void TimerProc(IntPtr hWnd, uint uMsg, UIntPtr nIdEvent, uint dwTime);
public const int WH_CALLWNDPROCRET = 12;
public enum CbtHookAction : int
{
HCBT_MOVESIZE = 0,
HCBT_MINMAX = 1,
HCBT_QS = 2,
HCBT_CREATEWND = 3,
HCBT_DESTROYWND = 4,
HCBT_ACTIVATE = 5,
HCBT_CLICKSKIPPED = 6,
HCBT_KEYSKIPPED = 7,
HCBT_SYSCOMMAND = 8,
HCBT_SETFOCUS = 9
}
[DllImport("user32.dll")]
private static extern bool GetWindowRect(IntPtr hWnd, ref Rectangle lpRect);
[DllImport("user32.dll")]
private static extern int MoveWindow(IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint);
[DllImport("User32.dll")]
public static extern UIntPtr SetTimer(IntPtr hWnd, UIntPtr nIDEvent, uint uElapse, TimerProc lpTimerFunc);
[DllImport("User32.dll")]
public static extern IntPtr SendMessage(IntPtr hWnd, int Msg, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll")]
public static extern IntPtr SetWindowsHookEx(int idHook, HookProc lpfn, IntPtr hInstance, int threadId);
[DllImport("user32.dll")]
public static extern int UnhookWindowsHookEx(IntPtr idHook);
[DllImport("user32.dll")]
public static extern IntPtr CallNextHookEx(IntPtr idHook, int nCode, IntPtr wParam, IntPtr lParam);
[DllImport("user32.dll")]
public static extern int GetWindowTextLength(IntPtr hWnd);
[DllImport("user32.dll")]
public static extern int GetWindowText(IntPtr hWnd, StringBuilder text, int maxLength);
[DllImport("user32.dll")]
public static extern int EndDialog(IntPtr hDlg, IntPtr nResult);
[StructLayout(LayoutKind.Sequential)]
public struct CWPRETSTRUCT
{
public IntPtr lResult;
public IntPtr lParam;
public IntPtr wParam;
public uint message;
public IntPtr hwnd;
} ;
static MessageBoxEx()
{
_hookProc = new HookProc(MessageBoxHookProc);
_hHook = IntPtr.Zero;
}
private static void Initialize()
{
if (_hHook != IntPtr.Zero)
{
throw new NotSupportedException("multiple calls are not supported");
}
if (Owner != IntPtr.Zero)
{
#pragma warning disable 612,618
_hHook = SetWindowsHookEx(WH_CALLWNDPROCRET, _hookProc, IntPtr.Zero, AppDomain.GetCurrentThreadId());
#pragma warning restore 612,618
}
}
private static IntPtr MessageBoxHookProc(int nCode, IntPtr wParam, IntPtr lParam)
{
if (nCode < 0)
{
return CallNextHookEx(_hHook, nCode, wParam, lParam);
}
var msg = (CWPRETSTRUCT)Marshal.PtrToStructure(lParam, typeof(CWPRETSTRUCT));
IntPtr hook = _hHook;
if (msg.message == (int)CbtHookAction.HCBT_ACTIVATE)
{
try
{
CenterWindow(msg.hwnd);
}
finally
{
UnhookWindowsHookEx(_hHook);
_hHook = IntPtr.Zero;
}
}
return CallNextHookEx(hook, nCode, wParam, lParam);
}
private static void CenterWindow(IntPtr hChildWnd)
{
var recChild = new Rectangle(0, 0, 0, 0);
GetWindowRect(hChildWnd, ref recChild);
int width = recChild.Width - recChild.X;
int height = recChild.Height - recChild.Y;
var recParent = new Rectangle(0, 0, 0, 0);
GetWindowRect(Owner, ref recParent);
var ptCenter = new Point(0, 0);
ptCenter.X = recParent.X + ((recParent.Width - recParent.X) / 2);
ptCenter.Y = recParent.Y + ((recParent.Height - recParent.Y) / 2);
var ptStart = new Point(0, 0);
ptStart.X = (ptCenter.X - (width / 2));
ptStart.Y = (ptCenter.Y - (height / 2));
ptStart.X = (ptStart.X < 0) ? 0 : ptStart.X;
ptStart.Y = (ptStart.Y < 0) ? 0 : ptStart.Y;
MoveWindow(hChildWnd, ptStart.X, ptStart.Y, width,
height, false);
}
}
}