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im using MFC...how to create bitmap dynamically..
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Please go through CreateBitmap()
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i never used Imgtfy, good answer
Величие не Бога может быть недооценена.
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Thanks. I don't want to use it either, but some people ask for it.
“Follow your bliss.” – Joseph Campbell
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CBitmap may be helpful for you [^]
Величие не Бога может быть недооценена.
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go for GDI+ Bitmap.
you can easily draw rect on it.
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Hi all
I am using Ms SQL Server 2005.I try to get all databases names of MSSQL.I am able to connect with mssql through this code.
#import ".\sqldmo.dll" no_namespace
#include "afxwin.h"
_SQLServer2Ptr spSQLServer;
CString str1="",str2="",str3="",m_MHOST="";
LPWSTR HOST;
HRESULT hr;
if SUCCEEDED(hr = CoInitialize(NULL))
{
try
{
if (SUCCEEDED(spSQLServer.CreateInstance(__uuidof(SQLServer2))))
{
try
{
HOST=(_bstr_t)m_MHOST;
spSQLServer->LoginSecure = TRUE;
spSQLServer->Connect((_bstr_t)m_MHOST);
str1.Format(_T("Connected to %s"), (LPTSTR) spSQLServer->Name);
}
catch(_com_error pCE)
{
str2.Format(_T("%s"),(TCHAR*)pCE.Description());
MessageBox(str2,"Message");
return ;
}
}
else
{
str3.Format(_T("Unable to create the SQL Server object.\n"));
}
}
catch(_com_error pCE)
{
str2.Format(_T("\n%s Error: %ld\r\n%s\r\n%s\r\n"),
(TCHAR*)pCE.Source(),
pCE.Error(),
(TCHAR*)pCE.Description(),
(TCHAR*)pCE.ErrorMessage());
AfxMessageBox(str2);
return;
}
}
else
{
str2.Format(_T("Call to CoInitialize failed.\n"));
}
i try to get database name through this way.
QueryResultsPtr Qry;
CString dbs="SELECT * FROM SYS.DATABASES";
Qry=spSQLServer->ExecuteWithResults((_bstr_t)dbs);
but i am not able to get database name.Please help me
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Hi,
Before executing the query "SELECT * FROM SYS.DATABASES", execute this query "USE master" and try ur select query.
I think it will work.
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see my problem is not using master.My problem is how i fetch mssql all database in listbox.
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That what i am saying. If u want to query any sys databases. First we have to switch to master user and then only we can fetch the records from the sysdatabases. From the ordinary user u cant execute the query.
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ok can you give me some line of example to fetch MSSQL Database?
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Hello can you give some line of code?
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Give me some time. I dont have sql server now to write sample. will send it by tomorrow.
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ok i am waiting for your example..
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hi durga
i have solve problem to show database through this code
spDatabases = spSQLServer->Databases;
for(int i=1;i<=spDatabases->Count;i++) {
spDatabase = spDatabases->Item(i);
_bstr_t db_name(spDatabase->GetName());
CString s((LPCSTR)db_name);
m_lsmssqldatabase.AddString(s);
}
Can you give me idea how to show Table Name of particullar database.Plz help me
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Cool yaar!
What's the mistake have u done?
The query for fetching the table name is "select name from sysobjects where type = 'U'".
This query will display the table name that is created by user.
Before executing this, run the query "use <ur db="" name="">".
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i am having a list control.The data in the list control is continiuosly updating.when the data increases i.e wen the scroll bar is usd i cant see the data, i.e wen iam scrolling it dwn, it is gng up since it is continuosly updating data. Is there any method
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You may gather and store data, updating the list only when needed (i.e. after user - you may notify to the user that new data is available - request or periodically).
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
[My articles]
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Hi Guys,
Im working now on a project related to Noise Test for an Op-AMP. i am to make use of the digitizer which requires me to use FFT commands to digitize the time domain signal of the Noise that i am going to measure. Does anybody know FFT commands that ic an use to see the noise signal on tiem domain? my frequency of interests are 1Khz and 10Hz, i need the commands on C language. Ideas would be greatly appreciated.
you could mail me at rchua07@yahoo.com.
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Fast Fourier Transforms? Google the Fastest Fourier Transform in the West.
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Hi.
Suppose i have a function that takes an array and its length.
That function should search the entire array for each element and return a result.
example:
<br />
<br />
int rec(int arr[], int length)<br />
{<br />
if(length == 0)<br />
return 0;<br />
<br />
searchingarr(arr,length -1);<br />
<br />
rec(arr[],length - 1);<br />
}<br />
Now . i cant use loops(while or for), no static variables. only one function inside the rec and use only recursive. i cant put a sign in the array that points to the end either.
the problem here is that i want that each time im calling "searchingarr" i paste him the length of the array. here, the length is substracted by 1 each time i call rec.
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Could you restate your question exactly?
What is the function looking for? What is it supposed to return?
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the function(searcharr) should take an element and check if there is a sequence of summed elements that is equal to the index of that element.
example arr{ 1 , 3, 2 , 0 , 0 , 3}
arr[2] = 3.
because 2(i=2) + 0(i=3) + 0(i=4) gives us the value 3 that is the length of the sequence that when summed gives us the value of the index(2).
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