bgiConfirm

Displays a confirmation dialog with Yes/No buttons, returns 1 for Yes, 0 for No. Searches gizmoMap for window ID to get parent HWND. Calls Windows MessageBox() with MB_YESNO | MB_ICONQUESTION flags. Displays message with title and question icon (blue '?'). Blocks until user clicks Yes or No. Returns 1 if user clicked Yes (IDYES), 0 if user clicked No (IDNO).

This function shows a standard confirmation dialog. MB_YESNO provides Yes and No buttons. MB_ICONQUESTION displays the blue question mark icon. Dialog is modal - blocks program execution until user responds. Return value maps IDYES to 1, all other responses (IDNO, closing dialog) to 0. Use for binary choices requiring confirmation: delete operations, exit confirmations, or yes/no questions. For informational alerts, use bgiNotify(). For custom button/icon combinations, use bgiMessageBox().