private:
void PopulateListBoxWithGraphicsResolution()
{
Graphics^ boxGraphics = listBox1->CreateGraphics();
// Graphics* formGraphics = this->CreateGraphics();
listBox1->Items->Add( String::Format( "ListBox horizontal resolution: {0}", boxGraphics->DpiX ) );
listBox1->Items->Add( String::Format( "ListBox vertical resolution: {0}", boxGraphics->DpiY ) );
delete boxGraphics;
}