BSTR->string LPCTSTR->const string LPSTR -> string unsigned int->UInt32 DWORD -> long

do it in other ways. TextBox tb[] = {textbox1,textbox2,...,textbox5}; for(i=0;i<5;i++) { tb[i].Text = foundRows[i].ToString(); }

try it as "public static",it will work well. but it's not the best sovlution.

i think that use the Timer will match your needs.

if that is like you said, that needs to use Mutex.

do it with the form load event that like this: if (Process.GetProcessesByName(yourprocessname).Length >=1){ MessageBox.show("already opened!"); return; }

there are two ways to slove this problem. first is that after you read the bytes,then you convert it to unicode : string temp_string = sr.ReadLine(); // Create two different encodings. Encoding ascii = Encoding.ASCII; Encoding unicode = Encoding.Unicode; // Convert the string into a byte[]. byte[] assciiBytes = unicode.GetBytes(temp_string ); // Perform the conversion from one encoding to the other. byte[] unicodeBytes = Encoding.Convert(unicode, ascii, assciiBytes ); the second is that initalize the StreamReader with unicode: using(System.IO.StreamReader sr = new System.IO.StreamReader(temp_path, Encoding.Unicode)) { } Just do it!

Since LParam is 64 bit number, so you have to convert it to int64 type.

I want to make a tool that just like "Windows Picture and Fax Viewer overview". 1. Increase or decrease the image preview size. 2. View the image in full size or as the best fit for your window. 3. Manage image files and print, save, delete, or change file details. 4. Open the image in an editing program if you wish. Note that this closes Windows Picture and Fax Viewer. 5. Rotate images right or left by 90 degrees. Thanks a lot for help in advance!

I think the GetHostbyAddress() method can help you. the followed code is copyed from msdn: try { IPAddress hostIPAddress = IPAddress.Parse(IpAddressString); IPHostEntry hostInfo = Dns.GetHostByAddress(hostIPAddress); // Get the IP address list that resolves to the host names contained in // the Alias property. IPAddress[] address = hostInfo.AddressList; // Get the alias names of the addresses in the IP address list. String[] alias = hostInfo.Aliases; Console.WriteLine("Host name : " + hostInfo.HostName); Console.WriteLine("\nAliases :"); for(int index=0; index < alias.Length; index++) { Console.WriteLine(alias[index]); } Console.WriteLine("\nIP address list : "); for(int index=0; index < address.Length; index++) { Console.WriteLine(address[index]); } } catch(SocketException e) { Console.WriteLine("SocketException caught!!!"); Console.WriteLine("Source : " + e.Source); Console.WriteLine("Message : " + e.Message); } catch(FormatException e) { Console.WriteLine("FormatException caught!!!"); Console.WriteLine("Source : " + e.Source); Console.WriteLine("Message : " + e.Message); } catch(ArgumentNullException e) { Console.WriteLine("ArgumentNullException caught!!!"); Console.WriteLine("Source : " + e.Source); Console.WriteLine("Message : " + e.Message); } catch(Exception e) { Console.WriteLine("Exception caught!!!"); Console.WriteLine("Source : " + e.Source); Console.WriteLine("Message : " + e.Message); } Just do it!