更改.net中MDI容器表单的背景色或背景图像 [英] Change backcolor or background image of a MDI Container form in .net

问题描述

我需要在我的应用程序中更改MDI父级的背景色或背景图像.我尝试更改背景色或指定背景图片，但无法正常工作.我还尝试了循环窗体中的控件以获取mdiclient并更改其背景色，也​​将零个相同的结果.

i need to change the backcolor or background image of a mdi parent in my application. i tried changing the backcolor or specifying a background image, it won't work. i also tried looping the controls in the form to get the mdiclient and change its backcolor, also zero same result.

推荐答案

Private ClientControl As MdiClient

    Public Sub New()
        InitializeComponent()

        ClientControl = Nothing
        For Each Ctl As Control In Me.Controls
            ClientControl = TryCast(Ctl, MdiClient)
            If ClientControl IsNot Nothing Then Exit For
        Next
    End Sub

'iN FORM LOAD

ClientControl.BackColor = Color.Cyan

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