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[Process-Thread] ThreadSyncExample DL : 0: 在多线程中操作VCL对象时，需Synchronize到主线程，否则可能引起“Canvas does not allow drawing”异常。这是一个的线程同步例子，同时放了2种代码，可对照理解Synchronize的作用。-It s an example about how to operate VCL object in multithread. Use "Synchronize" To avoid "Canvas does not allow drawing" exception.
Date : 2025-12-27 Size : 197kb User : waters
[Process-Thread] asynccalls-thread-pool-example DL : 1: 利用多线程异步函数调用。 {版本：2.98（2011年10月22日）} {添加：德尔福XE264位的支持} {} {版本：2.97（2011-05-21）} {修正：线程的优先级恢复正常新AsyncCall任务。 } {修正：代替暂停/恢复代码，以防止竞争条件，在所有线程} {暂停但他们FSuspended标志是假的。 } {修正：异常处理TAsyncCall.InternExecuteSyncCall。退出（）后不叫AN} {引发异常。 } -Asynchronous function calls utilizing multiple threads. { Version: 2.98 (2011-10-22) } { Added: Support for Delphi XE2 64bit } { } { Version: 2.97 (2011-05-21) } { Fixed: The thread priority wasn t reset to Normal for new AsyncCall tasks. } { Fixed: Replaced Suspend/Resume code to prevent a race condition where all threads are } { suspended but their FSuspended flag is false. } { Fixed: Exception handling in TAsyncCall.InternExecuteSyncCall. Quit() wasn t called after an } { exception was raised. }
Date : 2025-12-27 Size : 104kb User : xkyzmr