BackgroundWorker鏄竴涓绾跨▼宸ュ叿锛屽彲鐢ㄤ簬鍦╓indows Forms搴旂敤绋嬪簭涓墽琛屽悗鍙版搷浣溿€傚畠鎻愪緵浜嗕竴绉嶇畝鍗曠殑鏂瑰紡鏉ユ墽琛岃€楁椂鐨勬搷浣滐紝鍚屾椂浠嶇劧淇濇寔UI绾跨▼鐨勫搷搴旀€с€?/p>

浣跨敤BackgroundWorker鐨勬楠ゅ涓嬶細

1. 鍒涘缓涓€涓狟ackgroundWorker瀵硅薄锛屽苟璁剧疆闇€瑕佹墽琛岀殑鎿嶄綔銆傚彲浠ヤ娇鐢―oWork浜嬩欢鏉ュ鐞嗚€楁椂鎿嶄綔锛屼娇鐢≒rogressChanged浜嬩欢鏉ユ姤鍛婅繘搴︼紝浣跨敤RunWorkerCompleted浜嬩欢鏉ュ鐞嗗畬鎴愬悗鐨勬搷浣溿€?/p>

2. 鍦―oWork浜嬩欢澶勭悊绋嬪簭涓墽琛岃€楁椂鐨勬搷浣溿€傝繖涓簨浠跺鐞嗙▼搴忚繍琛屽湪鍚庡彴绾跨▼涓婏紝鎵€浠ュ彲浠ユ墽琛屼换浣曡€楁椂鐨勬搷浣滐紝鑰屼笉浼氶樆濉濽I绾跨▼銆?/p>

3. 鍦ㄩ渶瑕佺殑鏃跺€欙紝鍙互璋冪敤BackgroundWorker瀵硅薄鐨凴eportProgress鏂规硶鏉ユ姤鍛婅繘搴︺€傚彲浠ラ€氳繃ProgressChangedEventArgs鏉ヨ幏鍙栬繘搴︾殑淇℃伅銆?/p>

4. 鍦≒rogressChanged浜嬩欢澶勭悊绋嬪簭涓洿鏂癠I锛屼互鏄剧ず杩涘害鎴栧叾浠栫浉鍏充俊鎭€傝繖涓簨浠跺鐞嗙▼搴忚繍琛屽湪UI绾跨▼涓婏紝鎵€浠ュ彲浠ョ洿鎺ヨ闂甎I鍏冪礌銆?/p>

5. 鍦≧unWorkerCompleted浜嬩欢澶勭悊绋嬪簭涓鐞嗘搷浣滃畬鎴愬悗鐨勯€昏緫銆傝繖涓簨浠跺鐞嗙▼搴忚繍琛屽湪UI绾跨▼涓婏紝鎵€浠ュ彲浠ョ洿鎺ヨ闂甎I鍏冪礌銆?/p>

涓嬮潰鏄竴浜涗娇鐢˙ackgroundWorker鐨勬敞鎰忎簨椤癸細

1. 涓嶈兘鍦ㄥ悗鍙扮嚎绋嬩笂鐩存帴璁块棶UI鍏冪礌銆傚鏋滈渶瑕佹洿鏂癠I锛屽彲浠ヤ娇鐢≧eportProgress鏂规硶鎶ュ憡杩涘害锛屽湪ProgressChanged浜嬩欢澶勭悊绋嬪簭涓洿鏂癠I銆?/p>

2. 鍙互璁剧疆BackgroundWorker鐨刉orkerReportsProgress灞炴€т负true锛屼互鍚敤杩涘害鎶ュ憡鍔熻兘銆?/p>

3. 鍙互璁剧疆BackgroundWorker鐨刉orkerSupportsCancellation灞炴€т负true锛屼互鍚敤鍙栨秷鎿嶄綔鐨勫姛鑳姐€傚湪鑰楁椂鎿嶄綔涓紝鍙互瀹氭湡妫€鏌ancellationPending灞炴€э紝浠ュ垽鏂槸鍚﹂渶瑕佸彇娑堟搷浣溿€?/p>

4. 鍙互鍦―oWork浜嬩欢澶勭悊绋嬪簭涓娇鐢╡.Result灞炴€ф潵浼犻€掓搷浣滅殑缁撴灉缁橰unWorkerCompleted浜嬩欢澶勭悊绋嬪簭銆?/p>

5. 鍦ㄨ皟鐢˙ackgroundWorker鐨凴unWorkerAsync鏂规硶涔嬪墠锛屽彲浠ュ湪闇€瑕佺殑鍦版柟璁剧疆BackgroundWorker鐨勫睘鎬с€?/p>

鎬荤粨鏉ヨ锛孊ackgroundWorker鏄竴涓潪甯告湁鐢ㄧ殑宸ュ叿锛屽彲浠ョ畝鍖栧湪Windows Forms搴旂敤绋嬪簭涓墽琛屽悗鍙版搷浣滅殑杩囩▼銆傚畠鎻愪緵浜嗕竴绉嶇畝鍗曠殑鏂瑰紡鏉ユ墽琛岃€楁椂鐨勬搷浣滐紝骞跺湪鍚庡彴绾跨▼涓婃墽琛岋紝鍚屾椂浠嶇劧淇濇寔UI绾跨▼鐨勫搷搴旀€с€?/p>