public string GetSaveDialogFilename()
{
string file = "";
{
SaveFileDialog saveFileDialog1 = new SaveFileDialog();
saveFileDialog1.Title = "Save image data";
if (saveFileDialog1.ShowDialog() == DialogResult.OK)
{
if (saveFileDialog1.FileName != "")
{
file = saveFileDialog1.FileName;
}
}
}
return file;
}