Application.DoEvents() 的问题 [英] Issue with Application.DoEvents()

问题描述

我在我的代码中使用了 Application.DoEvents() 以便我可以通过按下按钮退出循环，我遇到了一个问题，我必须先点击屏幕才能按下这个退出按钮，因此需要点击两次.每次我玩游戏时都会发生这种情况，然后尝试停止程序而不关闭它.我该如何解决这个问题?

I have used Application.DoEvents() in my code so that I can exit a loop with a button press, I am having an issue where I have to click on the screen before I can press this exit button, thus needing two clicks. This happens every time I play then try to stop the program, without closing it. How would I fix this?

Do While StopProgram = False
    Application.DoEvents()
    RadianAngle = Angle * PlaceHolder
    Me.Refresh()
    If DirectionPositive = False Then
        Angle += 1
        If Angle = 51 Then
            Angle = 49
            DirectionPositive = True
        End If
    ElseIf DirectionPositive = True Then
        Angle -= 1
        If Angle = -51 Then
            Angle = -49
            DirectionPositive = False
        End If
    End If
Loop

<小时>

Private Sub Button2_Click(sender As System.Object, e As System.EventArgs) Handles Button2.Click
    StopProgram = False
    RunningProgram()
End Sub

<小时>

Private Sub Button3_Click(sender As System.Object, e As System.EventArgs) Handles Button3.Click
    StopProgram = True
End Sub

推荐答案

一种解决方法:如果您使用 MouseDown 而不是 Click 事件，它会正常工作.

One workaround: It will work OK if you use MouseDown instead of Click events.

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