如何从其他事件过程中检查是否处理了事件? [英] How to check if event an was handled, from a different event procedure?

问题描述

如何检查某个事件是否由其他事件过程处理?

How can I check if an event was handled from a different event procedure?

例如

Private Sub ComboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ToolStripComboBox1.SelectedIndexChanged

End Sub

Private Sub ComboBox1_DropDownClosed(sender As Object, e As EventArgs) Handles ToolStripComboBox1.DropDownClosed, ToolStripComboBox1.SelectedIndexChanged

IF ComboBox1_SelectedIndexChanged ? THEN ....

End Sub

推荐答案

如何检查某个事件是否是通过其他事件过程处理的?

How can I check if an event was handled from a different event procedure?

例如

Private Sub ComboBox1_SelectedIndexChanged(sender As Object, e As EventArgs) Handles ToolStripComboBox1.SelectedIndexChanged

End Sub

Private Sub ComboBox1_DropDownClosed(sender As Object, e As EventArgs) Handles ToolStripComboBox1.DropDownClosed, ToolStripComboBox1.SelectedIndexChanged

IF ComboBox1_SelectedIndexChanged ? THEN ....

End Sub

消费者(您的表单的类)可以订阅所有订阅者，并且所有订阅者都将做出响应，所以这根本不是一个或任何一种情况.

The consumer (your form's class) can subscribe to all of them and all of them will respond, so it's not an either/or situation at all.

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