窗体的FormBorderStyle属性的不同效果

查看原文：http://blog.xieyc.com/form-border-style/

设置窗体边框可以通过设置窗体的FormBorderStyle属性设置。属性值可以通过枚举类型FormBorderStyle获取，它的取值和意义如下表所示。

属性	值	意义
FormBorderStyle.None	0	无边框
FormBorderStyle.FixedSingle	1	固定的单行边框
FormBorderStyle.Fixed3D	2	固定的三维样式边框
FormBorderStyle.FixedDialog	3	固定的对话框样式的粗边框
FormBorderStyle.Sizable	4	可调整大小的边框
FormBorderStyle.FixedToolWindow	5	不可调整大小的工具窗口边框
FormBorderStyle.SizableToolWindow	6	可调整大小的工具窗口边框

总是记不住这几个值是什么意义（虽然能够在设计器中观察到大概的外观），因此用下面一个方法遍历一下：

private void btnChangeBorderStyle(object sender, EventArgs e)

{

    if (this.FormBorderStyle == System.Windows.Forms.FormBorderStyle.SizableToolWindow)

        this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.None;

    else

        this.FormBorderStyle++;

    ((Button)sender).Text = this.FormBorderStyle.ToString();

}

截图记录在此：

附：枚举源代码

namespace System.Windows.Forms

{

// Summary:

//     Specifies the border styles for a form.

[ComVisible(true)]

public enum FormBorderStyle

{

// Summary:

//     No border.

None = 0,

//

// Summary:

//     A fixed, single-line border.

FixedSingle = 1,

//

// Summary:

//     A fixed, three-dimensional border.

Fixed3D = 2,

//

// Summary:

//     A thick, fixed dialog-style border.

FixedDialog = 3,

//

// Summary:

//     A resizable border.

Sizable = 4,

//

// Summary:

//     A tool window border that is not resizable. A tool window does not appear

//     in the taskbar or in the window that appears when the user presses ALT+TAB.

//     Although forms that specify System.Windows.Forms.FormBorderStyle.FixedToolWindow

//     typically are not shown in the taskbar, you must also ensure that the System.Windows.Forms.Form.ShowInTaskbar

//     property is set to false, since its default value is true.

FixedToolWindow = 5,

//

// Summary:

//     A resizable tool window border. A tool window does not appear in the taskbar

//     or in the window that appears when the user presses ALT+TAB.

SizableToolWindow = 6,

}

}

巴特西

窗体的FormBorderStyle属性的不同效果

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