How Can Run an .exe file in java

Example:-

import java.io.*;
class test{
 public static void main(String args[]){
 
 try{
  String str="C:/Program Files/Adobe/Reader 9.0/Reader/AcroRd32.exe";
  Runtime.getRuntime().exec(str);
 }
 catch(Exception e){
 }
 }
}

How to Hide Console in C++

Example:-

#include 
#include 
int main()
{
HWND hWnd = GetConsoleWindow();
ShowWindow( hWnd, SW_HIDE );

return 0;
}

How to convert 'System::String' to 'char*'?

In VC++ 8:

Example:-


using namespace System::Runtime::InteropServices; // for class Marshal

void PrintMessage(System::String^ str)
{
const char* str2 = (char*)(void*)Marshal::StringToHGlobalAnsi(str);
printf(str2);
Marshal::FreeHGlobal((System::IntPtr)(void*)str2);
}

PrintMessage("Method 2");

You receive a System.Threading.ThreadStateException exception when you try to create an instance of a Windows form

Problem:- An unhandled exception of type 'System.Threading.ThreadStateException' occurred in System.Windows.Forms.dll

in microsoft visual c++

Solution:-

Just write '[STAThread]' above the main() function to resolve the problem. This code make your program single-threaded apartment (STA) instead of MTA.


Example:-

[STAThread]
int main(){

Application::EnableVisualStyles();
Application::SetCompatibleTextRenderingDefault(false);
Application::Run(gcnew UserForm());
return 0;
}