private int GetNextPageInfo(H264_DVR_FINDINFO searchInfo)
{
H264_DVR_FILE_DATA[] szSend = new H264_DVR_FILE_DATA[100];
int nNum = 0;
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * 100);
int ret = XMSDK.H264_DVR_FindFile(m_lLoginID, ref searchInfo, ptr, 100, out nNum, 5000);
//for (int index = 0; index < 100; index++)
//{
// unsafe
// {
// int* pDev = (int*)ptr.ToPointer();
// pDev += Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * index / 4;
// IntPtr ptrTemp = new IntPtr(pDev);
// szSend[index] = (H264_DVR_FILE_DATA)Marshal.PtrToStructure(ptrTemp, typeof(H264_DVR_FILE_DATA));
// }
//}
return(ret);
}
private void btnNextPage_Click(object sender, EventArgs e)
{
if (m_nGetPage <= 0)
{
return;
}
if ((m_nTotalPage != -1) && (m_nCurPage == m_nTotalPage))
{
SetPageBtnState();
return;
}
ClearResult();
if (GetNextPageInfo(m_nSearchInfo) > 0 && (m_nCurPage == m_nGetPage))
{
H264_DVR_FILE_DATA[] szSend = new H264_DVR_FILE_DATA[100];
int nNum = 0;
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * 100);
int nRet = XMSDK.H264_DVR_FindFile(m_lLoginID, ref m_nSearchInfo, ptr, 100, out nNum, 5000);
for (int index = 0; index < 100; index++)
{
unsafe
{
int *pDev = (int *)ptr.ToPointer();
pDev += Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * index / 4;
IntPtr ptrTemp = new IntPtr(pDev);
szSend[index] = (H264_DVR_FILE_DATA)Marshal.PtrToStructure(ptrTemp, typeof(H264_DVR_FILE_DATA));
}
}
m_nCurRecNum = nNum;
if (nRet > 0 && nNum > 0) //处理没有录象的情况
{
m_nGetPage++;
m_listFindInfo[m_ListFindNum++] = m_nSearchInfo;
if (m_nCurRecNum > m_listFile.Capacity)
{
m_listFile.Capacity = m_nCurRecNum;
}
for (int i = 0; i < m_nCurRecNum; i++)
{
m_listFile.Add(szSend[i]);
}
//m_nSearchInfo.nChannelN0 = m_nSearchInfo.nChannelN0;
//m_nSearchInfo.nFileType = m_nSearchInfo.nFileType;
m_nSearchInfo.startTime.dwYear = szSend[m_nCurRecNum - 1].stEndTime.year;
m_nSearchInfo.startTime.dwMonth = szSend[m_nCurRecNum - 1].stEndTime.month;
m_nSearchInfo.startTime.dwDay = szSend[m_nCurRecNum - 1].stEndTime.day;
m_nSearchInfo.startTime.dwHour = szSend[m_nCurRecNum - 1].stEndTime.hour;
m_nSearchInfo.startTime.dwMinute = szSend[m_nCurRecNum - 1].stEndTime.minute;
m_nSearchInfo.startTime.dwSecond = szSend[m_nCurRecNum - 1].stEndTime.second;
//m_nSearchInfo.endTime = m_nSearchInfo.endTime;
if (m_nCurRecNum < PLAYBACK_MAX_FILE_NUM)
{
m_nTotalPage = m_nGetPage;
}
m_nCurPage++;
AddFileListInfo(m_nCurRecNum);
SetPageBtnState();
}
else
{
}
}
}
private void btnSearch_Click(object sender, EventArgs e)
{
// 条件检测
if (comboDev.SelectedIndex < 0)
{
MessageBox.Show("Select a Device!");
return;
}
if (!checkFile.Checked && !checkTime.Checked)
{
MessageBox.Show("Select a Search mode!");
return;
}
ClearResult();
H264_DVR_TIME StartTime;
H264_DVR_TIME StopTime;
int nChannel = comboChannel.SelectedIndex; //channel No.
int nFileType = comboRecordType.SelectedIndex; //file type
StartTime.dwYear = beginDate.Value.Year;
StartTime.dwMonth = beginDate.Value.Month;
StartTime.dwDay = beginDate.Value.Day;
StartTime.dwHour = beginTime.Value.Hour;
StartTime.dwMinute = beginTime.Value.Minute;
StartTime.dwSecond = beginTime.Value.Second;
StopTime.dwYear = endDate.Value.Year;
StopTime.dwMonth = endDate.Value.Month;
StopTime.dwDay = endDate.Value.Day;
StopTime.dwHour = endDate.Value.Hour;
StopTime.dwMinute = endDate.Value.Minute;
StopTime.dwSecond = endDate.Value.Second;
H264_DVR_FILE_DATA[] szSend = new H264_DVR_FILE_DATA[100];
ComboxItem item = (ComboxItem)comboDev.SelectedItem;
if (item.Value != null)
{
DEV_INFO devInfo = (DEV_INFO)item.Value;
int lLoginID = devInfo.lLoginID;
int nMaxLen = 100;
int waitTime = 4000;
int nNum = 0;
H264_DVR_FINDINFO searchInfo = new H264_DVR_FINDINFO();
searchInfo.startTime = StartTime;
searchInfo.endTime = StopTime;
searchInfo.nChannelN0 = nChannel;
searchInfo.nFileType = nFileType;
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * 100);
int nRet = XMSDK.H264_DVR_FindFile(lLoginID, ref searchInfo, ptr, nMaxLen, out nNum, waitTime);
m_nCurRecNum = nNum;
for (int index = 0; index < 100; index++)
{
unsafe
{
int *pDev = (int *)ptr.ToPointer();
pDev += Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * index / 4;
IntPtr ptrTemp = new IntPtr(pDev);
szSend[index] = (H264_DVR_FILE_DATA)Marshal.PtrToStructure(ptrTemp, typeof(H264_DVR_FILE_DATA));
}
}
if (nRet > 0)
{
if (nNum > 0)
{
m_nGetPage++;
m_nCurPage = 1;
if (m_nCurRecNum > m_listFile.Capacity)
{
m_listFile.Capacity = m_nCurRecNum;
}
for (int i = 0; i < m_nCurRecNum; i++)
{
m_listFile.Add(szSend[i]);
}
m_nSearchInfo.nChannelN0 = nChannel;
m_nSearchInfo.nFileType = nFileType;
m_nSearchInfo.startTime.dwYear = szSend[m_nCurRecNum - 1].stEndTime.year;
m_nSearchInfo.startTime.dwMonth = szSend[m_nCurRecNum - 1].stEndTime.month;
m_nSearchInfo.startTime.dwDay = szSend[m_nCurRecNum - 1].stEndTime.day;
m_nSearchInfo.startTime.dwHour = szSend[m_nCurRecNum - 1].stEndTime.hour;
m_nSearchInfo.startTime.dwMinute = szSend[m_nCurRecNum - 1].stEndTime.minute;
m_nSearchInfo.startTime.dwSecond = szSend[m_nCurRecNum - 1].stEndTime.second;
m_nSearchInfo.endTime = searchInfo.endTime;
if (nNum < PLAYBACK_MAX_FILE_NUM)
{
m_nTotalPage = m_nGetPage;
}
AddFileListInfo(m_nCurRecNum);//add list item
SetPageBtnState();
}
else
{
MessageBox.Show("No File");
}
}
else
{
MessageBox.Show("SearchFail");
}
}
}
private void btnPrePage_Click(object sender, EventArgs e)
{
if (m_nGetPage <= 1 || m_nCurPage <= 1)
{
return;
}
m_nCurPage--;
m_nGetPage--;
ClearResult();
m_ListFindNum = m_ListFindNum - 1;
// if (GetNextPageInfo( m_listFindInfo[--m_ListFindNum]) > 0 )
{
H264_DVR_FILE_DATA[] szSend = new H264_DVR_FILE_DATA[100];
int nNum = 0;
// H264_DVR_FINDINFO findinfo = m_listFindInfo[m_ListFindNum];
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * 100);
int nRet = XMSDK.H264_DVR_FindFile(m_lLoginID, ref m_nSearchInfo[m_nCurPage - 1], ptr, 100, out nNum, 5000);
for (int index = 0; index < nNum; index++)
{
unsafe
{
int *pDev = (int *)ptr.ToPointer();
pDev += Marshal.SizeOf(typeof(H264_DVR_FILE_DATA)) * index / 4;
IntPtr ptrTemp = new IntPtr(pDev);
szSend[index] = (H264_DVR_FILE_DATA)Marshal.PtrToStructure(ptrTemp, typeof(H264_DVR_FILE_DATA));
// m_listFile[index] = szSend[index];
}
}
m_listFile.Clear();
m_nCurRecNum = nNum;
if (nRet > 0 && nNum > 0) //处理没有录象的情况
{
if (m_nCurRecNum > m_listFile.Capacity)
{
m_listFile.Capacity = m_nCurRecNum;
}
for (int i = 0; i < m_nCurRecNum; i++)
{
m_listFile.Add(szSend[i]);
}
m_ListFindNum++;
}
else
{
}
AddFileListInfo(m_nCurRecNum);
SetPageBtnState(nNum);
}
}