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16 Posted Topics
 | Compress it to file.zip using a password, rename it to "file", attache it and tell your friend to rename it to file.zip and give him the password.  |
 | Hi, I have an app that works with Visual Studio 2010, but not with VS2015. Its purpose is to redirect stdout to a thread that reads from a pipe created with: if (FALSE == CreatePipe(&pipeout, &pipein, &sec, 0)) { mes = strdupa("SCRIPT: Unable to create pipe"); goto err; } SetStdHandle(STD_OUTPUT_HANDLE, … |
| | Hi, I have built a shell extension handler, using this as a template: https://code.msdn.microsoft.com/windowsapps/CppShellExtContextMenuHandl-410a709a In this instance, it registers with a ".ts" extension: hr = RegisterShellExtContextMenuHandler(L".ts", CLSID_LNtoALL, L"CppShellExtContextMenuHandler.LNtoALL"); The project compiles fine, and the registration works also. But on one PC, it fails to load (the context menu for .ts … |
| | Hi, I'm using a C++/CLI form, with a printDialog item: { public: Form1(void) { InitializeComponent(); this->printDialog1 = (gcnew System::Windows::Forms::PrintDialog()); I call the dialog with: printFont = gcnew System::Drawing::Font( "Courier New",10 ); PrintDocument^ pd = gcnew PrintDocument; pd->PrintPage += gcnew PrintPageEventHandler( this, &Form1::PrintInstPrintPage); printDialog1->ShowHelp = false; printDialog1->Document = pd; System::Windows::Forms::DialogResult result … |
| | Hi, The Windows API function to select a directory is really bad, so I'm trying to use GetOpenFileName() instead. For that, the idea is to set a hook function, so that when the user hits the OK button without having actually selected a file, the hook function retrieves the currently … |
| | Hi, I'm trying to get the printer name selected by the user with the PrintDlg() dialog. I made a sample Win32 project with VS 2008, (with "Use Multi-Byte Character Set") and inserted the following code in the "About" callback part: PRINTDLG pd; BOOL rc; DEVMODE *dev; DEVNAMES *dvn; char *name; … |
| | I need to override the Close button an a C++/CLI Form application, allowing the user to cancel the close. This must have been asked a zillion times, but I can't find an example specific to C++/CLI Form applications. My Form class starts with: [code]namespace TR31Forms { using namespace System; using … |
| | Hi, I have a server running with a Form based managed C++ app. It initializes with: [code] try { listener = gcnew TcpListener(ipAddress, PORT_lock); listener->Start(); // Start listening for client requests. listener->BeginAcceptTcpClient(gcnew AsyncCallback(DoAcceptTcpClientCallback), listener); [/code] The callback funtion is defined as: [code] public: static void Form1::DoAcceptTcpClientCallback(IAsyncResult^ result) { try { … |
| | Hi, I have a stream server application written in C, that I need to incorporate in a GUI C++ managed new program, but I am having trouble finding the equivalent of the C sockets function calls. The C apps initialize this way: [code] /* * Init socket */ if ( … |
| | Hi, I'm trying to send an e-mail from a managed application. I found the following example: [code] MailAddress ^From = gcnew MailAddress("xxx@zzz.com"); MailAddress ^To = gcnew MailAddress("ttt@zzz.com"); MailMessage ^message = gcnew MailMessage(From, To); message->Subject = "Testing sending mail"; message->Body = "Body of message"; SmtpClient^ client = gcnew SmtpClient( "smtp.foo.com" ); …  |
| | Hi, I am trying to make and use my own DLL within a C++/CLI project. The DLL project contains an header utc.h file with the following declaration: [code] namespace utc { __declspec(dllexport) void dthr (int dt[3], int hr[3]); }[/code] The source of the dthr.cpp file starts with: [code] namespace utc …  |
| | Hi, I'm using a Form generated application. Its definition starts with: [code]public ref class Form1 : public System::Windows::Forms::Form { public: Form1(void) {[/code] When I'm inside one of its method, I can use calls like: [code]this->StartPosition = FormStartPosition::Manual;[/code] thanks to the this pointer. How can I do this kind of calls … |
| | Hi, I need to convert some C# code into C++. It starts with: [code=c#] Dictionary<string, ListViewItem> mItems = new Dictionary<string, ListViewItem>(); [/code] I can't find a full example in the C++ Visual Studio documentation. How do I declare a Dictionary object? A small example would be appreciated. Thanks. |
| | Hi, I need to convert a BSTR buffer (that contains wchar data) to a straight char*. How can I do that? I only found that info so far: [url]http://msdn.microsoft.com/en-us/library/ms235631(VS.80).aspx[/url] but it covers only CComBSTR types. I'm not sure how CComBSTR and BSTR relate. Thanks. |
| | I have a very basic problem, which answer is not covered in the 1200 pages of the C++ book I'm using to teach myself. Consider this simple code: [code]#include "stdafx.h" using namespace System; class EventListener { long mRef; public: EventListener() { mRef = 0; } }; int main(array<System::String ^> ^args) … |
| | Hi, I am learning C#, having a good C background as a programmer. I need to port a C application to C#, but there is a very basic problems that stalls me. My C program has many subroutines, each of them in its own file. They share a common .h … |
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