C#

using System;
using System.Windows.Forms;
using Microsoft.VisualBasic.ApplicationServices;

    class Program
    {
        [STAThread]
        static void Main(string[] args) { new App().Run(args); }

        class App : WindowsFormsApplicationBase
        {
            public App()
            {
                IsSingleInstance = EnableVisualStyles = true;
                ShutdownStyle = Microsoft.VisualBasic.ApplicationServices.ShutdownMode.AfterMainFormCloses;
                StartupNextInstance += new StartupNextInstanceEventHandler(NextInstance);
            }

            protected override void OnCreateMainForm()
            {
                MainForm = new Form1();
                ((Form1)MainForm).Args = new string[CommandLineArgs.Count];
                CommandLineArgs.CopyTo(((Form1)MainForm).Args, 0);
            }

            protected void NextInstance(object sender, StartupNextInstanceEventArgs eventArgs)
            {
                string[] args = new string[eventArgs.CommandLine.Count];
                eventArgs.CommandLine.CopyTo(args, 0);
                MainForm.Invoke(new Form1.InstanceDelegate(((Form1)MainForm).processParameters), new object[] { MainForm, args });
            }
        }
    }

// In Form1 class:

public void processParameters(object sender, string[] args) 
{ 
    if (WindowState == FormWindowState.Minimized) 
        WindowState = FormWindowState.Normal; 
    if (args != null && args.Length != 0) 
        openFiles(args); // process args
} 

<br />
#include "stdafx.h"<br />
#include <stdio.h><br />
#include <windows.h><br />
<br />
// G3 API function type declarations<br />
typedef int (__stdcall *FNCOpenRadioDevice)(int iDeviceNum);<br />
typedef BOOL (__stdcall *FNCCloseRadioDevice)(int hRadio);<br />
typedef BOOL (__stdcall *FNCSetAtten)(int hRadio, BOOL fAtten);<br />
typedef BOOL (__stdcall *FNCSetPower)(int hRadio, BOOL fPower);<br />
typedef BOOL (__stdcall *FNCSetAGC)(int hRadio, int iAGC);<br />
typedef BOOL (__stdcall *FNCCodecStart)(int hRadio,void (__stdcall *CallbackFunc)(void *),<br />
void *CallbackTarget);<br />
typedef BOOL (__stdcall *FNCCodecStop)(int hRadio);<br />
typedef unsigned int (__stdcall *FNCCodecRead)(int hRadio,void *Buf,unsigned int Size);<br />
<br />
typedef struct {<br />
int hRadio;<br />
FILE *IFFile;<br />
FNCCodecRead CodecRead;<br />
} CallbackContext;<br />
<br />
void __stdcall CodecCallback(void *Target)<br />
{<br />
unsigned int i;<br />
char Buf[4096];<br />
CallbackContext *Ctx=(CallbackContext *)Target;<br />
<br />
while ((i=Ctx->CodecRead(Ctx->hRadio,Buf,sizeof(Buf)))!=0) <br />
	fwrite(Buf,i,1,Ctx->IFFile);<br />
}<br />
//int _tmain(int argc, _TCHAR* argv[])<br />
int main(int argc, char* argv[])<br />
{<br />
// load the G3 API library<br />
HMODULE dll=LoadLibraryA("wrg303api.dll");<br />
if (!dll) {puts("WRG303API.DLL not found !"); return 0;}<br />
<br />
// link G3 API functions<br />
FNCOpenRadioDevice OpenRadioDevice=(FNCOpenRadioDevice)GetProcAddress(dll,"OpenRadioDevice");<br />
FNCCloseRadioDevice CloseRadioDevice=(FNCCloseRadioDevice)GetProcAddress(dll,"CloseRadioDevice");<br />
FNCSetAtten SetAtten=(FNCSetAtten)GetProcAddress(dll,"SetAtten");<br />
FNCSetPower SetPower=(FNCSetPower)GetProcAddress(dll,"SetPower");<br />
FNCSetAGC SetAGC=(FNCSetAGC)GetProcAddress(dll,"SetAGC");<br />
FNCCodecStart CodecStart=(FNCCodecStart)GetProcAddress(dll,"CodecStart");<br />
FNCCodecStop CodecStop=(FNCCodecStop)GetProcAddress(dll,"CodecStop");<br />
FNCCodecRead CodecRead=(FNCCodecRead)GetProcAddress(dll,"CodecRead");<br />
<br />
// open the first available radio<br />
int hRadio=OpenRadioDevice(0);<br />
if (!hRadio) {puts("No WR-G303 device could be opened !");FreeLibrary(dll); return 0;}<br />
<br />
// set Power, AGC and Attenuator<br />
if (SetPower(hRadio,TRUE)) puts("The device is turned ON"); else puts("The device failed to turn ON");<br />
if (SetAtten(hRadio,FALSE)) puts("The attenuator is OFF"); else puts("The attenuator failed to turn OFF");<br />
if (SetAGC(hRadio,3)) puts("The AGC is FAST"); else puts("The AGC failed to switch");<br />
<br />
// open the IF samples destination file<br />
FILE *f=fopen("IF2.pcm","wb");<br />
<br />
// start the IF stream from the codec<br />
CallbackContext Ctx;<br />
<br />
Ctx.hRadio=hRadio;<br />
Ctx.IFFile=f;<br />
Ctx.CodecRead=CodecRead;<br />
if (!CodecStart(hRadio,CodecCallback,&Ctx)) puts("Codec streaming couldn't be started!");<br />
else {<br />
puts("Codec streaming properly started!");<br />
while (!ftell(f) ) <br />
{<br />
}<br />
CodecStop(hRadio);<br />
fclose(f);<br />
}<br />
<br />
// close the device handle<br />
if (CloseRadioDevice(hRadio)) puts("The device is closed properly"); else puts("The device failed to close");<br />
<br />
// free the G3 API library<br />
FreeLibrary(dll);<br />
<br />
return 0;<br />
}<br />