UIMessage.IsSynchronous
- Updated2025-07-21
- 1 minute(s) read
UIMessage.IsSynchronous
Syntax
UIMessage.IsSynchronous
Data Type
Purpose
Returns True if the thread that posted the event is blocked and is waiting for you to acknowledge the UIMessage.
Remarks
Threads can post UIMessages synchronously or asynchronously. If a thread posts a user interface message synchronously, the thread blocks until the message is acknowledged or the last reference to the user interface message is released. If a thread posts a user interface message asynchronously, the thread returns False .