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@Toyz
Created March 4, 2017 18:47
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#include <windows.h>
#include <iostream>
#include <shlobj.h>
#include <time.h>
#include <cstdlib>
#include <string>
#include <sstream>
using namespace std;
bool setBackground();
const string strLocalDirectory = "C:\\Test\\Wallpapers\\"; // TWEAKED PATH
string filePath;
int main() // so no warnings about unref params
{
if(setBackground()) {
cout << "Applied Background: " << filePath << "\n";
} else {
DWORD DWLastError = GetLastError();
cout << "\nError: " << std::hex << DWLastError;
}
cin.get();
return EXIT_SUCCESS;
}
bool setBackground()
{
int dirSize = 5; //Will be automated later.
int bgChoice = 0; //Index of chosen wallpaper.
srand ( (unsigned int)time(NULL) );
bgChoice = rand() % dirSize + 1;
//Convert the index choice into a usable filename string.
stringstream ssFilePath;
ssFilePath << strLocalDirectory << bgChoice << ".jpg";
//Returns true on success, false otherwise.
if( SystemParametersInfoA(SPI_SETDESKWALLPAPER, 0, (PVOID)ssFilePath.str().c_str(),
SPIF_UPDATEINIFILE | SPIF_SENDCHANGE) != 0)
{
filePath = ssFilePath.str();
return true;
}
return false;
}
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