// constructor
public MainViewModel()
{
RandomFile randomFile = new RandomFile();
ReadContentsCommand = new Command(async() =>
{
// check to see if the file exists
var exists = await randomFile.TestRandomFile();
if (!exists)
{
// create the file if it does not exist
await randomFile.CreateRandomFile();
}
// read the contents out of the file
var value = await randomFile.LoadRandomFile();
// update the UI
if (!exists)
{
FileContents = "Created random file: " + value;
}
else
{
FileContents = "Existing random file: " + value;
}
});
DeleteFileCommand = new Command(async() =>
{
// check to see if the file exists
var exists = await randomFile.TestRandomFile();
if (exists)
{
// delete the file if it exists
await randomFile.DeleteRandomFile();
}
// update the UI
if (!exists)
{
FileContents = "No random file to delete.";
}
else
{
FileContents = "Deleted random file.";
}
});
}
