gtk在对话框中显示一个对话框

I'm writing a gtk program, at some point in my application, I call a gtkdialog to obtain input from the user. what I want to do is close the current dialog and open another dialog when the OK button is clicked, I already have a function doing some other work, starting the dialog in that function would be great. here's the parent dialog code:I'm writing a gtk program, at some point in my