[gdal-dev] How to Use Gdal in Microsoft Visual Studio C++

[Athin]

Hai All, 

My target just know want to try to display raster map, but i still stuck in
this starting point. The code I run below will display an error

error c4700 uninitialized local variable 'pszFilename' used

can someone help me regarding this and what i need to with the file i
download from this link:https://trac.osgeo.org/gdal/wiki/DownloadSource

where i need to add on VS2012?

Thank you and best regards

#include "gdal_priv.h"
#include "cpl_conv.h" // for CPLMalloc()
#include "stdafx.h"
#include "gdal.h"


int main()
{
	class GDALDataset;
	const char *pszFilename;
	

    GDALDataset *poDataset;
	void CPL_DLL CPL_STDCALL GDALAllRegister(void);

    poDataset = (GDALDataset *) GDALOpen(pszFilename, GA_ReadOnly );
    if( poDataset == NULL )
	{}

}



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