ABOUT.C
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/*-----------------------------------------------------------------------------
This is a part of the Microsoft Source Code Samples.
Copyright (C) 1995 Microsoft Corporation.
All rights reserved.
This source code is only intended as a supplement to
Microsoft Development Tools and/or WinHelp documentation.
See these sources for detailed information regarding the
Microsoft samples programs.
MODULE: About.c
PURPOSE: Implement the About dialog box for the program.
FUNCTIONS:
CmdAbout - 创建About对话框以响应菜单选择
AboutDlgProc - 处理关于对话框的消息
InitAboutDlg - 初始化about对话框控件
-----------------------------------------------------------------------------*/
#include <windows.h>
#include "mttty.h"
/*
仅在此文件中调用的函数原型
*/
BOOL CALLBACK AboutDlgProc( HWND, UINT, WPARAM, LPARAM );
UINT InitAboutDlg( HWND );
/*-----------------------------------------------------------------------------
FUNCTION: CmdAbout( HWND )
参数:
hwnd -窗口的所有者
创建模态About对话框
-----------------------------------------------------------------------------*/
BOOL CmdAbout(HWND hwnd)
{
DialogBox(ghInst, MAKEINTRESOURCE(IDD_ABOUT), hwnd, AboutDlgProc);
return 0;
}
/*-----------------------------------------------------------------------------
FUNCTION: InitAboutDlg( HWND )
初始化modal About对话框
PARMATETERS:
hDlg - Dialog window handle
设置图标动画计时器和版本信息。
HISTORY: Date: Author: Comment:
10/27/95 AllenD Wrote it
-----------------------------------------------------------------------------*/
UINT InitAboutDlg(HWND hDlg)
{
UINT uTimer;
char * szFormat = "Microsoft Windows %s\r\nVersion %d.%d\r\nBuild %d ";
char szVersion[256];
/*
create timer and set initial icon id
*/
uTimer = SetTimer(hDlg, 1, 100, NULL);
if (uTimer == 0)
ErrorReporter("SetTimer");
wsprintf(szVersion, szFormat,
gOSV.dwPlatformId == VER_PLATFORM_WIN32_NT ? "NT" : "95",
gOSV.dwMajorVersion,
gOSV.dwMinorVersion,
LOWORD( gOSV.dwBuildNumber ) );
if (strlen(gOSV.szCSDVersion))
strcat(szVersion, gOSV.szCSDVersion);
SetDlgItemText(hDlg, IDC_OSVERSIONINFO, szVersion);
return uTimer;
}
/*-----------------------------------------------------------------------------
FUNCTION: AboutDlgProc(HWND, UINT, WPARAM, LPARAM)
关于对话框的对话程序
PARAMETERS:
hdlg 对话框窗口句柄
uMessage 窗口消息
wparam 消息参数(取决于消息值)
lparam 消息参数(取决于消息值)
HISTORY: Date: Author: Comment:
10/27/95 AllenD Wrote it
-----------------------------------------------------------------------------*/
BOOL CALLBACK AboutDlgProc(HWND hdlg, UINT uMessage, WPARAM wparam, LPARAM lparam)
{
static UINT uTimer;
static WORD wCurrentIconId;
switch(uMessage)
{
case WM_INITDIALOG:
uTimer = InitAboutDlg(hdlg);
wCurrentIconId = IDI_APPICON;
break;
case WM_TIMER:
/*
当计时器停止，然后改变到下一个图标
*/
{
HICON hIcon;
switch(wCurrentIconId)
{
case IDI_APPICON: wCurrentIconId = IDI_APPICON2; break;
case IDI_APPICON2: wCurrentIconId = IDI_APPICON3; break;
case IDI_APPICON3: wCurrentIconId = IDI_APPICON4; break;
case IDI_APPICON4: wCurrentIconId = IDI_APPICON; break;
}
hIcon = LoadIcon(ghInst, MAKEINTRESOURCE(wCurrentIconId));
SendMessage(GetDlgItem(hdlg, IDC_PICTURE), STM_SETICON, (WPARAM) hIcon, 0);
}
break;
case WM_COMMAND:
if (LOWORD(wparam) == IDOK) {
KillTimer(hdlg, uTimer);
EndDialog(hdlg, TRUE);
return TRUE;
}
break;
}
return FALSE;
}