Bool apientry maindlgproc (hwnd hdlg, // dialog box handle
Uint message, // Message Type
Wparam, // additional message
Lparam) // additional message
{
Point mousepoint;
Char STR [256];
Hwnd; // store the window handle
Switch (Message) // Message Processing
{
Case wm_initdialog: // dialog box initialization message
{
// Keep the window on the top floor
Setwindowpos (hdlg, hwnd_topmost, 0, 0, 0, swp_nosize | swp_nomove );
Settimer (hdlg, 1,100, null );
M_hwnd = hdlg;
Return (true );
}
Case wm_close:
{
Enddialog (hdlg, true );
Return (true ); }
Case wm_timer:
{
Getcursorpos (& mousepoint); // retrieves the mouse position
Hwnd = windowfrompoint (mousepoint); // obtain the window handle where the mouse pointer is located
Sendmessage (hwnd, wm_gettext, 255, (long) Str );
Setdlgitemtext (hdlg, idc_caption, STR );
// Obtain the window class name
Getclassname (hwnd, STR, 255 );
Setdlgitemtext (hdlg, idc_classname, STR );
// Obtain the window class value
Ltoa (getclasslong (hwnd, gcw_atom), STR, 10 );
Setdlgitemtext (hdlg, idc_classatom, STR );
// Obtain the window style
Ltoa (getwindowlong (hwnd, gwl_exstyle), STR, 2 );
Setdlgitemtext (hdlg, idc_extstyle, STR );
// Obtain the window ID
Ltoa (getwindowlong (hwnd, gwl_id), STR, 10 );
Setdlgitemtext (hdlg, idc_id, STR );
Return (true );
}
Case wm_destroy:
{
Killtimer (hdlg, 1 );
// Taskbardeleteicon (getsafehwnd (), 100, m_hicon, _ T ("Hi! "));
Return (true );
}
Case wm_command: // command button message
{
If (loword (wparam) = idc_quit)
Enddialog (hdlg, true );
Return (true );
}
}
Return (false );
}
Int winapi winmain (hinstance hinst,
Hinstance hinstprev,
Lpstr szcmdline,
Int ncmdshow)
{
Dialogbox (hinst, // application strength handle
Makeintresource (idd_maindlg), // resource ID of the dialog box
Null, // parent window handle of the dialog box
(Dlgproc) maindlgproc); // process function pointer in the dialog box
Return (0 );
}
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