private void WndCreated(object sender, CbtEventArgs e)
{
if (e.IsDialogWindow)
{
m_bInit = false;
m_hwnd = e.Handle;
}
}
private void WndDestroyed(object sender, CbtEventArgs e)
{
if (e.Handle == m_hwnd)
{
m_bInit = false;
m_hwnd = IntPtr.Zero;
if(BST_CHECKED == (int)SendMessage(m_hwndBtn,BM_GETCHECK,IntPtr.Zero,IntPtr.Zero))
m_bCheck = true;
}
}
private void WndActivated(object sender, CbtEventArgs e)
{
if (m_hwnd != e.Handle)
return;
// Not the first time
if (m_bInit)
return;
else
m_bInit = true;
// Get the current font, either from the static text window
// or the message box itself
IntPtr hFont;
IntPtr hwndText = GetDlgItem(m_hwnd, 0xFFFF);
if(hwndText != IntPtr.Zero)
hFont = SendMessage(hwndText, WM_GETFONT, IntPtr.Zero, IntPtr.Zero);
else
hFont = SendMessage(m_hwnd, WM_GETFONT, IntPtr.Zero, IntPtr.Zero);
Font fCur = Font.FromHfont(hFont);
// Get the x coordinate for the check box. Align it with the icon if possible,
// or one character height in
int x = 0;
IntPtr hwndIcon = GetDlgItem(m_hwnd, 0x0014);
if(hwndIcon != IntPtr.Zero)
{
RECT rcIcon = new RECT();
GetWindowRect(hwndIcon, rcIcon);
POINT pt = new POINT();
pt.x = rcIcon.left;
pt.y = rcIcon.top;
ScreenToClient(m_hwnd, pt);
x = pt.x;
}
else
x = (int)fCur.GetHeight();
// Get the y coordinate for the check box, which is the bottom of the
// current message box client area
RECT rc = new RECT();
GetClientRect(m_hwnd, rc);
int y = rc.bottom - rc.top;
// Resize the message box with room for the check box
GetWindowRect(m_hwnd, rc);
MoveWindow(m_hwnd,rc.left,rc.top,rc.right-rc.left,rc.bottom-rc.top + (int)fCur.GetHeight()*2,true);
m_hwndBtn = CreateWindowEx(0, "button", m_strCheck, BS_AUTOCHECKBOX|WS_CHILD|WS_VISIBLE|WS_TABSTOP,
x, y , rc.right-rc.left-x, (int)fCur.GetHeight(),
m_hwnd, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
SendMessage(m_hwndBtn, WM_SETFONT, hFont, new IntPtr(1));
}
