private IntPtr ReplacementWndProc(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam)
{
if (msg == (uint)Win32.WM_LBUTTONDOWN || msg == (uint)Win32.WM_LBUTTONDBLCLK)
{
Win32.POINT loc = new Win32.POINT();
loc.X = MousePosition.X;
loc.Y = MousePosition.Y;
Win32.ScreenToClient(DropDownHandle, ref loc);
Win32.RECT dropdown_rect = new Win32.RECT();
Win32.GetClientRect(DropDownHandle, out dropdown_rect);
if (dropdown_rect.Left <= loc.X && loc.X < dropdown_rect.Right && dropdown_rect.Top <= loc.Y && loc.Y < dropdown_rect.Bottom)
{
int index = (int)Win32.SendMessage(DropDownHandle, Win32.LB_ITEMFROMPOINT, IntPtr.Zero, (IntPtr)(loc.X + (loc.Y << 16)));
if (index >> 16 == 0)
{
Object o = Items[index];
if (o is ToStringWrapper<SR>)
return IntPtr.Zero;
}
}
}
return Win32.CallWindowProc(oldWndProc, hWnd, msg, wParam, lParam);
}
private IntPtr HookProc(IntPtr hdlg, int msg, IntPtr wParam, IntPtr lParam)
{
switch (msg)
{
case Win32.WM_INITDIALOG:
// Center the dialog on its owner
Win32.RECT sr = new Win32.RECT();
Win32.RECT cr = new Win32.RECT();
IntPtr parent = Win32.GetParent(hdlg);
Win32.GetWindowRect(parent, ref cr);
Win32.GetWindowRect(Owner.Handle, ref sr);
int x = (sr.Right + sr.Left - (cr.Right - cr.Left)) / 2;
int y = (sr.Bottom + sr.Top - (cr.Bottom - cr.Top)) / 2;
Win32.SetWindowPos(parent, IntPtr.Zero, x, y, cr.Right - cr.Left, cr.Bottom - cr.Top + 32, Win32.SWP_NOZORDER);
IntPtr fileTypeWindow = Win32.GetDlgItem(parent, 0x441);
IntPtr fontHandle = Win32.SendMessage(fileTypeWindow, Win32.WM_GETFONT, IntPtr.Zero, IntPtr.Zero);
//we now need to find the combo-box to position the new tick box under
IntPtr fileComboWindow = Win32.GetDlgItem(parent, 0x470);
Win32.RECT aboveRect = new Win32.RECT();
Win32.GetWindowRect(fileComboWindow, ref aboveRect);
Win32.POINT point = new Win32.POINT();
point.X = aboveRect.Left;
point.Y = aboveRect.Bottom;
Win32.ScreenToClient(parent, ref point);
Win32.POINT rightPoint = new Win32.POINT();
rightPoint.X = aboveRect.Right;
rightPoint.Y = aboveRect.Top;
Win32.ScreenToClient(parent, ref rightPoint);
//we create the new combobox
IntPtr comboHandle = Win32.CreateWindowEx(0, "BUTTON", "", Win32.WS_VISIBLE | Win32.WS_CHILD | Win32.WS_TABSTOP | Win32.BS_AUTOCHECKBOX, point.X, point.Y + 8, rightPoint.X - point.X, 16, parent, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
fontHandle = Win32.SendMessage(fileTypeWindow, Win32.WM_GETFONT, IntPtr.Zero, IntPtr.Zero);
Win32.SendMessage(comboHandle, Win32.WM_SETFONT, fontHandle, IntPtr.Zero);
Win32.SendMessage(comboHandle, Win32.WM_SETTEXT, IntPtr.Zero, Messages.EXPORT_VM_VERIFY_POST_INSTALL);
Win32.SendMessage(comboHandle, Win32.BM_SETCHECK, (IntPtr)(Verify ? Win32.BST_CHECKED : Win32.BST_UNCHECKED), IntPtr.Zero);
//remember the handles of the controls we have created so we can destroy them after
ComboHandle = comboHandle;
break;
case Win32.WM_DESTROY:
//destroy the handles we have created
if (ComboHandle != IntPtr.Zero)
{
Win32.DestroyWindow(ComboHandle);
}
break;
case Win32.WM_NOTIFY:
//we need to intercept the CDN_FILEOK message
//which is sent when the user selects a filename
Win32.NMHDR nmhdr = (Win32.NMHDR)Marshal.PtrToStructure(lParam, typeof(Win32.NMHDR));
if (nmhdr.code == Win32.CDN_FILEOK)
{
Verify = Win32.SendMessage(ComboHandle, Win32.BM_GETCHECK, IntPtr.Zero, IntPtr.Zero) == (IntPtr)Win32.BST_CHECKED;
}
else if (nmhdr.code == Win32.CDN_HELP)
{
Help.HelpManager.Launch("ExportVMDialog");
}
break;
}
return IntPtr.Zero;
}
