Files
XCSDD/docs/api/threading/task/oncancel.md
ssdfasd 58a83f445a fix: improve doc link navigation and tree display
- Fix link resolution with proper relative/absolute path handling
- Improve link styling with underline decoration
- Hide leaf nodes from tree, only show directories
- Fix log file path for packaged app
2026-03-19 12:44:08 +08:00

39 lines
689 B
Markdown

# ITask::OnCancel
```cpp
virtual void OnCancel()
```
任务取消回调。可在派生类中重写此方法,以在任务被取消时执行清理操作。
**参数:**
**返回:**
**复杂度:** 取决于具体实现
**示例:**
```cpp
class NetworkTask : public ITask {
public:
void Execute() override {
for (int i = 0; i < 100; ++i) {
if (GetStatus() == TaskStatus::Canceled) {
return;
}
SendPacket(i);
}
}
void OnCancel() override {
CloseConnection();
printf("Network task canceled\n");
}
};
```
## 相关文档
- [ITask 总览](task.md) - 返回类总览