对话方块(四十一)
DestroyWindow (hDlg) ;
hDlgModeless = NULL ;
break ;
注意这两个视窗代号之间的区别：DestroyWindow的hDlg参数是传递给对话方块程序的参数；hDlgModeless是从CreateDialog传回的整体变数，程式在讯息回圈内检验它。
程式11-4 COLORS2
COLORS2.C
/*----------------------------------------------------------------------------
COLORS2.C -- Version using Modeless Dialog Box
(c) Charles Petzold, 1998
----------------------------------------------------------------------------*/
#include <windows.h>
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
BOOL CALLBACK ColorScrDlg (HWND, UINT, WPARAM, LPARAM) ;
HWND hDlgModeless ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("Colors2") ;
HWND hwnd ;
MSG
COLORS2.C
/*----------------------------------------------------------------------------
COLORS2.C -- Version using Modeless Dialog Box
(c) Charles Petzold, 1998
----------------------------------------------------------------------------*/
#include <windows.h>
LRESULT CALLBACK WndProc (HWND, UINT, WPARAM, LPARAM) ;
BOOL CALLBACK ColorScrDlg (HWND, UINT, WPARAM, LPARAM) ;
HWND hDlgModeless ;
int WINAPI WinMain (HINSTANCE hInstance, HINSTANCE hPrevInstance,
PSTR szCmdLine, int iCmdShow)
{
static TCHAR szAppName[] = TEXT ("Colors2") ;
HWND hwnd ;
MSG