SendDlgMessage

The SendDlgMessage function is used to send a message to the dialog callback function.

LONG_PTR WINAPI SendDlgMessage(
  HANDLE hDlg,
  int    Msg,
  int    Param1,
  LONG_PTR Param2
);

Arguments

hDlg

Dialog handle

Msg

One of the Dialog API messages.

Param1

The 1st parameter.

Param2

The 2nd parameter.

Return value

Return value depends on Msg value.

Example

A fragment from the Reversi game dialog callback proc:

LONG_PTR WINAPI ReversiDialogProc(HANDLE hDlg, int Msg,int Param1,LONG_PTR Param2)
{
...
    case DN_INITDIALOG:
      //get element info
      Info.SendDlgMessage(hDlg,DM_GETDLGITEM,75,(LONG_PTR)&DialogItem);
      ListItems=DialogItem.ListItems->Items;
      ...
      NewGame(hDlg);
      return FALSE;
...
}