在鼠标事件中，语句If Button=2 成立的条件是（)。A．按键盘数字键2B．单击鼠标左键C．单击鼠标右键D．双击鼠标左键
在鼠标事件中，语句If Button=2 成立的条件是（)。
A．按键盘数字键2
B．单击鼠标左键
C．单击鼠标右键
D．双击鼠标左键
参考答案和解析
（代码）
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