.NET 解决TabControl 页里面多余边距问题

不知道各位同学有没有遇到在向TabPage添加内容后,里面的东西总是填不满 TabPage,总是有几个像素的空白(边距),以下是解决方法:

1.直接新建一个类,继承TabControl,然后 override DisplayRectangle 方法:

    /// <summary>
/// 解决系统TabControl多余边距问题
/// </summary>
public class FullTabControl : TabControl {

public override Rectangle DisplayRectangle {
get {
Rectangle rect = base.DisplayRectangle;
return new Rectangle(rect.Left - 4, rect.Top - 4, rect.Width + 8, rect.Height + 7);
}
}
}

以后用 FullTabControl 就行。(这种方法简单)


2.参见以下网址(VB.NET)代码:

http://www.blueshop.com.tw/board/FUM20050124191756KKC/BRD201112281018075B8.html

C# 代码为:

    public class FullTabControl : NativeWindow {
static int TCM_FIRST = 0x1300;
static int TCM_ADJUSTRECT = (TCM_FIRST + 40);
struct RECT{
public int Left, Top, Right, Bottom;
}

protected override void WndProc(ref Message m) {
if (m.Msg == TCM_ADJUSTRECT) {
RECT rc = (RECT)m.GetLParam(typeof(RECT));
rc.Left -= 4;
rc.Right += 3;
rc.Top -= 4;
rc.Bottom += 3;
Marshal.StructureToPtr(rc, m.LParam, true);
}

base.WndProc(ref m);
}
}


调用方法:new FullTabControl().AssignHandle(tabControl1.Handle);// tabControl1为窗口上TabControl控件的名称

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