从自定义控制面板中更改运行形式的BackgroundImage [英] Change BackgroundImage of form from Custom Control running in Panel

问题描述

我的项目包含与包含自定义控制面板的一种形式。
在此自定义控件我有一个更改背景图片的按钮。

My project consists of a form with a panel that contains a custom control. In this custom control I have buttons that change the background image.

我的问题是;这些按钮只改变它们放置在自定义控件的背景图像，我需要他们改变包含与自定义的控制面板中的主窗体的背景图像。

My issue is; these buttons only change the background image of the custom control that they are placed in, and I need them to change the background image of the main form containing the panel with the custom control.

我目前的code：

this.BackgroundImage = Image.FromFile(System.IO.File.ReadAllText(BackgroundSkinsPath));

我需要的东西，实际上将做到这一点：

I need something that will in effect accomplish this:

MainForm.BackgroundImage = Image.FromFile(System.IO.File.ReadAllText(BackgroundSkinsPath));

即：从 CustomControl.cs

推荐答案

我最终使用不同的东西：

I ended up using something different:

Form MainForm = Application.OpenForms["(The name of the form in which I wanted to change the background)"];

//...

MainForm.BackgroundImage = Image.FromFile(System.IO.File.ReadAllText(BackgroundSkinsPath));

它结束了比我还以为它是简单了很多。

It ended up being a lot simpler than I thought it was.

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