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如何设置 Windows 窗体面板的背景

  • 项目

Windows 窗体 Panel 控件可以同时显示背景色和背景图像。 BackColor 属性设置包含控件的背景颜色，如标签和单选按钮。 如果未设置 BackgroundImage 属性，则 BackColor 选择将填充整个面板。 如果设置了 BackgroundImage 属性，图像将显示在包含的控件后面。

以编程方式设置背景

  1. 将面板的 BackColor 属性设置为 System.Drawing.Color类型的值。

    Panel1.BackColor = Color.AliceBlue  

    panel1.BackColor = Color.AliceBlue;  

    panel1->BackColor = Color::AliceBlue;

  2. 使用 System.Drawing.Image 类的 FromFile 方法设置面板的 BackgroundImage 属性。

    ' You should replace the bolded image
' in the sample below with an image of your own choosing.  
Panel1.BackgroundImage = Image.FromFile _  
    (System.Environment.GetFolderPath _  
    (System.Environment.SpecialFolder.Personal) _  
    & "\Image.gif")  

    // You should replace the bolded image
// in the sample below with an image of your own choosing.  
// Note the escape character used (@) when specifying the path.  
panel1.BackgroundImage = Image.FromFile  
   (System.Environment.GetFolderPath  
   (System.Environment.SpecialFolder.Personal)  
   + @"\Image.gif");  

    // You should replace the bolded image
// in the sample below with an image of your own choosing.  
panel1->BackgroundImage = Image::FromFile(String::Concat(  
   System::Environment::GetFolderPath  
   (System::Environment::SpecialFolder::Personal),  
   "\\Image.gif"));

另请参阅