str_idString identifier hashed with the current ID stack to distinguish this item or scope.
flagsImGuiPopupFlags options controlling this operation; combine compatible flag bits with |.
True if a popup matching the ID and query flags is open in the current popup scope; false otherwise.
IsPopupOpen(): return true if the popup is open at the current BeginPopup() level of the popup stack.
IsPopupOpen() with ImGuiPopupFlags.AnyPopupId: return true if any popup is open at the current BeginPopup() level of the popup stack.
IsPopupOpen() with ImGuiPopupFlags.AnyPopupId + ImGuiPopupFlags.AnyPopupLevel: return true if any popup is open.
return true if the popup is open.
Test whether a popup is open.