如何在多显示器环境下轻松找到Location表单的屏幕位置?

发布于 2024-09-17 20:37:54 字数 167 浏览 6 评论 0原文

在多显示器环境(桌面跨 2 或 3 个显示器)中运行的 C# winform 应用程序中,窗体的 Location 属性表示窗体在跨桌面上的位置,而不是窗体在物理屏幕上的位置。对于表单所在的屏幕,是否有一种简单的方法可以在屏幕坐标中查找表单的位置?那么,如果表单位于第二个或第三个显示屏的左上角,则位置将为 (0,0)?

In a C# winform application running in a multimonitor environment (desktop is stretched across 2 or 3 monitors), the Location property of a Form represents the location of the form on the spanned desktop instead of the location of the form on the physical screen. Is there an easy way to find the Location of the form in screen coordinates, for the screen that the form is on? So if the form is in the top left corner of the 2nd or 3rd display, the location would be (0,0)?

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请恋爱 2024-09-24 20:37:54
/// <summary>Returns the location of the form relative to the top-left corner
/// of the screen that contains the top-left corner of the form, or null if the
/// top-left corner of the form is off-screen.</summary>
public Point? GetLocationWithinScreen(Form form)
{
    foreach (Screen screen in Screen.AllScreens)
        if (screen.Bounds.Contains(form.Location))
            return new Point(form.Location.X - screen.Bounds.Left,
                             form.Location.Y - screen.Bounds.Top);

    return null;
}
/// <summary>Returns the location of the form relative to the top-left corner
/// of the screen that contains the top-left corner of the form, or null if the
/// top-left corner of the form is off-screen.</summary>
public Point? GetLocationWithinScreen(Form form)
{
    foreach (Screen screen in Screen.AllScreens)
        if (screen.Bounds.Contains(form.Location))
            return new Point(form.Location.X - screen.Bounds.Left,
                             form.Location.Y - screen.Bounds.Top);

    return null;
}
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