指定 MessageBox Show 的位置
想指定它出现的位置和窗体的位置一致，请问如何实现。
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不可以，如是要达到你要的效果，那你就自己实现这个类，修改它的位置，看这样可以不
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和窗体的位置一致是什么意思？
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mark
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只有这样了。
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很好的想法,,,
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using System;using System.Collections.Generic;using System.Text;using System.Runtime.InteropServices;using System.Windows.Forms;using System.Drawing;namespace Updater{ struct RECT { public int left; public int top; public int right; public int bottom; }; //实现MessageBox居中owner窗体显示 class MessageBoxEx { public delegate IntPtr HookProc(int nCode, IntPtr wParam, IntPtr lParam); [DllImport("user32.dll")] private static extern IntPtr SetWindowsHookEx(int hookid, HookProc pfnhook, IntPtr hinst, int threadid); [DllImport("user32.dll")] private static extern IntPtr CallNextHookEx(IntPtr hhook, int code, IntPtr wparam, IntPtr lparam); [DllImport("kernel32.dll")] private static extern IntPtr GetModuleHandle(string modName); [DllImport("user32.dll")] private static extern bool UnhookWindowsHookEx(IntPtr hhook); [DllImport("user32.dll")] private static extern bool GetWindowRect(IntPtr hWnd, ref RECT rect); [DllImport("user32.dll")] private static extern IntPtr GetWindow(IntPtr hWnd, uint uCmd); [DllImport("user32.dll")] private static extern bool MoveWindow( IntPtr hWnd, int X, int Y, int nWidth, int nHeight, bool bRepaint); private const int WH_CBT = 5; private const int HCBT_ACTIVATE = 5; private const int GW_OWNER = 4; private static IntPtr hookHandle = IntPtr.Zero; private static RECT GetOwnerRect(IntPtr hwnd) { RECT ownerRect = new RECT(); IntPtr ownerHwnd = GetWindow(hwnd, GW_OWNER); GetWindowRect(ownerHwnd, ref ownerRect); return ownerRect; } private static IntPtr CBTHookCallback(int nCode, IntPtr wParam, IntPtr lParam) { switch (nCode) { case HCBT_ACTIVATE: RECT vRectangle = new RECT(); RECT ownerRect = GetOwnerRect(wParam); GetWindowRect(wParam, ref vRectangle); int width = vRectangle.right - vRectangle.left; int height = vRectangle.bottom - vRectangle.top; int ownerWidth = ownerRect.right - ownerRect.left; int ownerHeight = ownerRect.bottom - ownerRect.top; int left = Math.Max(ownerRect.left + (ownerWidth - width) / 2, 0); int top = Math.Max(ownerRect.top + (ownerHeight - height) / 2, 0); MoveWindow(wParam, left, top, width, height, false); UnhookWindowsHookEx(hookHandle); break; } return CallNextHookEx(hookHandle, nCode, wParam, lParam); } private static void Lock() { hookHandle = SetWindowsHookEx(WH_CBT, new HookProc(CBTHookCallback), GetModuleHandle(null), 0); } //根据需要重载 public static DialogResult Show(string text) { Lock(); return MessageBox.Show(text); } public static DialogResult Show(IWin32Window owner, string text) { Lock(); return MessageBox.Show(owner, text); } public static DialogResult Show(string text, string caption) { Lock(); return MessageBox.Show(text, caption); } public static DialogResult Show(IWin32Window owner, string text, string caption) { Lock(); return MessageBox.Show(owner, text, caption); } public static DialogResult Show(string text, string caption, MessageBoxButtons buttons) { Lock(); return MessageBox.Show(text, caption, buttons); } public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons) { Lock(); return MessageBox.Show(owner, text, caption, buttons); } public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon) { Lock(); return MessageBox.Show(text, caption, buttons, icon); } public static DialogResult Show(IWin32Window owner, string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon) { Lock(); return MessageBox.Show(owner, text, caption, buttons, icon); } public static DialogResult Show(string text, string caption, MessageBoxButtons buttons, MessageBoxIcon icon, MessageBoxDefaultButton defaultButton) { Lock(); return MessageBox.Show(text, caption, buttons, icon, defaultButton); } }}