下面是我复制别人中间的代码,求解,为什么滑块不动#include "stdafx.h"
#include <windows.h>
#include <windowsx.h>
#include "resource.h"
#include "MainDlg.h"
#include <commdlg.h>
#include "mmsystem.h"
#include <commctrl.h>
#pragma comment(lib, "Winmm.lib")//-----------------------------------
BOOL WINAPI Main_Proc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch(uMsg)
{
HANDLE_MSG(hWnd, WM_INITDIALOG, Main_OnInitDialog);
HANDLE_MSG(hWnd, WM_COMMAND, Main_OnCommand);
HANDLE_MSG(hWnd,WM_CLOSE, Main_OnClose);
}
return FALSE;
}
BOOL Main_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam)
{
return 0;
}
int playLength=0;
long musicLength=0;
void CALLBACK TimerProc(HWND hwnd,UINT uMsg,UINT idEvent,DWORD dwTime)
{
switch (idEvent)
{
case 2:
{
TCHAR strCurrTime[256];
mciSendString("status music position",strCurrTime,255,NULL);
playLength=atoi(strCurrTime)/1000; //获取当前播放时间HWND hSilderTime=GetDlgItem(hwnd,IDC_SLIDER);
SendMessage(hSilderTime,TBM_SETPOS,TRUE,playLength);}
break;
}
}
void Main_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify)
{
switch(id)
{
case IDC_TEST:
{
TCHAR music[]="c:\\3.mp3";
TCHAR cmp[256];
wsprintf(cmp,"play %s",music);
mciSendString(cmp,NULL,0,0);char sPosition[256];
//得到播放文件的长度
mciSendString("Status music length", sPosition, 255,0);
MessageBox(hwnd,sPosition,"",0);
musicLength=atol(sPosition);
int AllTime=musicLength/1000; //把毫秒转化为秒HWND hSliderTime=GetDlgItem(hwnd,IDC_SLIDER); //获取滑块的句柄
//设置滑块的范围
SendMessage(hSliderTime,TBM_SETRANGE,1,(LPARAM)MAKELONG(0, AllTime));//每秒钟设置滑块显示时间进度,并且显示音乐当前播放的时间
SetTimer(hwnd,2,1000,TimerProc);
}break;
}
}void Main_OnClose(HWND hwnd)
{
EndDialog(hwnd, 0);
}
#include <windows.h>
#include <windowsx.h>
#include "resource.h"
#include "MainDlg.h"
#include <commdlg.h>
#include "mmsystem.h"
#include <commctrl.h>
#pragma comment(lib, "Winmm.lib")//-----------------------------------
BOOL WINAPI Main_Proc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
switch(uMsg)
{
HANDLE_MSG(hWnd, WM_INITDIALOG, Main_OnInitDialog);
HANDLE_MSG(hWnd, WM_COMMAND, Main_OnCommand);
HANDLE_MSG(hWnd,WM_CLOSE, Main_OnClose);
}
return FALSE;
}
BOOL Main_OnInitDialog(HWND hwnd, HWND hwndFocus, LPARAM lParam)
{
return 0;
}
int playLength=0;
long musicLength=0;
void CALLBACK TimerProc(HWND hwnd,UINT uMsg,UINT idEvent,DWORD dwTime)
{
switch (idEvent)
{
case 2:
{
TCHAR strCurrTime[256];
mciSendString("status music position",strCurrTime,255,NULL);
playLength=atoi(strCurrTime)/1000; //获取当前播放时间HWND hSilderTime=GetDlgItem(hwnd,IDC_SLIDER);
SendMessage(hSilderTime,TBM_SETPOS,TRUE,playLength);}
break;
}
}
void Main_OnCommand(HWND hwnd, int id, HWND hwndCtl, UINT codeNotify)
{
switch(id)
{
case IDC_TEST:
{
TCHAR music[]="c:\\3.mp3";
TCHAR cmp[256];
wsprintf(cmp,"play %s",music);
mciSendString(cmp,NULL,0,0);char sPosition[256];
//得到播放文件的长度
mciSendString("Status music length", sPosition, 255,0);
MessageBox(hwnd,sPosition,"",0);
musicLength=atol(sPosition);
int AllTime=musicLength/1000; //把毫秒转化为秒HWND hSliderTime=GetDlgItem(hwnd,IDC_SLIDER); //获取滑块的句柄
//设置滑块的范围
SendMessage(hSliderTime,TBM_SETRANGE,1,(LPARAM)MAKELONG(0, AllTime));//每秒钟设置滑块显示时间进度,并且显示音乐当前播放的时间
SetTimer(hwnd,2,1000,TimerProc);
}break;
}
}void Main_OnClose(HWND hwnd)
{
EndDialog(hwnd, 0);
}
解决方案 »
- 使用QQ中转站暂存文件,有时数十M文件直接秒了!
- 为何activex接受不到wm_mousewheel消息
- 救命啊,管道通信只实现输出,加输入管道就停在ReadFile了
- 关于CTypedPtrList
- 试图越过其为端对一位命名文件进行读写 这是什么原因?
- 如何在分割窗口内实现类似对话框的效果,不要自己手画的,最好能用Dialog资源
- 如何改变控件的高度,如ComboBox
- 为什么GetClientRect() 所取得的区域不准确?
- 为什么互联网能收到局域网收不到
- [求助]能否通过语音Modem实现语音自动应答系统?
- vc 实现文件的打印 高手请进...
- C++ Primar 为什么说引用是一种复合类型?
TimerProc函数应该定时被执行,滑块移动的相关代码应该放在此函数中,在你的代码中找不到这个函数。再仔细检查下代码是否复制完全。
void CALLBACK TimerProc(HWND hwnd,UINT uMsg,UINT idEvent,DWORD dwTime)
{
switch (idEvent)
{
case 2:
{
TCHAR strCurrTime[256];
mciSendString("status music position",strCurrTime,255,NULL);
playLength=atoi(strCurrTime)/1000; //获取当前播放时间HWND hSilderTime=GetDlgItem(hwnd,IDC_SLIDER);
SendMessage(hSilderTime,TBM_SETPOS,TRUE,playLength);}
break;
}
}