A modaless dialogbox is on user can move back and forth between the poped up dialogbox and the parent (calling dialog) For creating a modless dialogbox. needs to follow follwing things.
Ex. class MyDlg; // Class derived from CDialog. MyDlg myDlg; // create object myDlg.create(uint DialogId); // Call create method by providing the dialog resource id. provide the message handling and run loop.