如何判断Shift是否在MouseDown事件中被按下？ [英] How to tell if Shift is being pressed in a MouseDown event?

问题描述

我在控件上捕捉到一个 MouseDown 事件，这给我在签名中提供了一个 MouseEventArgs 对象。现在我想要能够判断用户是否按住Shift或Control键。但是 MouseEventArgs 对象不包含任何键盘信息！

I am catching a MouseDown event on a control, which gives me a MouseEventArgs object in the signature. Now I want to be able to tell if the user was holding down the "Shift" or "Control" key when they clicked. But the MouseEventArgs object doesn't contain any keyboard information!

最简单的方法是告知键盘<

What's the easiest way of telling whether the keyboard Shift/Ctrl keys were being held at the time of the click?

推荐答案

p>使用Controls.ModifierKeys属性来查看按下的内容。例如：

Use the Controls.ModifierKeys property to see what's pressed. For example:

    private void Form1_MouseClick(object sender, MouseEventArgs e) {
        if (Control.ModifierKeys == Keys.Control) {
            Console.WriteLine("Ctrl+Click");
        }
    }

其他修饰符是键。 Alt 和 Keys.Shift 。查找与（Keys.Control | Keys.Shift）的组合。

Other modifiers are Keys.Alt and Keys.Shift. Find combinations with, say, (Keys.Control | Keys.Shift).

这篇关于如何判断Shift是否在MouseDown事件中被按下？的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！