[英]I need to use a if statement on a button click object within a timer tick?
基本上在我强调的下面的代码中,我想知道如何在按下该按钮(btnDisplayBricks)时在计时器滴答中使用drawBricks方法。 因为我使用计时器刻度和图片框用于纸质图纸等我不能简单地从按钮点击事件中调用该方法,因为纸张然后在计时器中清除,只允许我在计时器1开始任何想法之前显示砖块。
private void timer1_Tick(object sender, EventArgs e)
{
paper.Clear(Color.LightSteelBlue);
DrawBall();
MoveBall();
DrawBat(paper);
if (btnDisplayBricks_Click[0] = true) ///code here problem
//then call method
DrawBricks(paper);
private void btnDisplayBricks_Click(object sender, EventArgs e)
{
DrawBricks(paper);
}
}
}
问题在你的等式中,你应该使用==而不是=
if (btnDisplayBricks_Click[0] == true)
还可以在timer1_Tick之外移动methodbtnDisplayBricks_Click
private bool buttonClicked = false;
private void timer1_Tick(object sender, EventArgs e)
{
paper.Clear(Color.LightSteelBlue);
DrawBall();
MoveBall();
DrawBat(paper);
if (buttonClicked)
{
DrawBricks(paper);
// maybe you want to set buttonclicked to false again, but specs are not clear to me
// buttonClicked = false;
}
}
private void btnDisplayBricks_Click(object sender, EventArgs e)
{
DrawBricks(paper);
buttonClicked = true;
}
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