如何更改PropertyGrid控件的边框颜色(或删除边框)?

时间:2012-05-03 09:24:04

标签: c# .net winforms propertygrid

拥有标准的WinForms 2.0 PropertyGrid control我正在寻找一种方法来更改控件的边框颜色或完全删除边框。

enter image description here

我知道LineColor property,但遗憾的是只更改了单元格之间的内部边界。

此外,我使用ILSpy来查看PropertyGrid控件的源代码,但仍然没有发现对我有意义。

我的问题是:

如何删除PropertyGrid控件的外边框或更改外边框的颜色?

更新2012-05-04 - 解决方案(又名“黑客”):

基于Jamie's answer我汇总了一个有效的解决方案(which you can download from here):

enter image description here

我们的想法是将属性网格放在面板中,让面板剪切控件。

通过这种方法,我确实将剪切面板放置到另一个面板中,Padding为“1”(或任何您想要的边框),并为此面板提供BackColor服务作为边框颜色(在我的示例中为绿色)。

将属性网格的Anchor设置为“Left,Right,Top,Bottom”,将剪切面板的Dock设置为“Full”。

enter image description here

这适合我的要求。我会认为这是一种黑客行为,因为它消耗了两个面板的资源,我希望我可以节省。

5 个答案:

答案 0 :(得分:2)

这是另一种选择,因为我的第一个答案似乎不适合这个特定的控制。这是一个肮脏的伎俩,但应该有效:

将Panel控件放在窗口或对话框中,大小为100H x 300V。将propertygrid放在面板中,位置为-1,-1,大小为102,302。

答案 1 :(得分:2)

以下是我项目的代码

PropertyGrid有两个需要处理的控件。
+ doccomment是文档帮助。
+ gridView显示属性值。

这些控件使用ControlDark颜色绘制边框矩形。

我们需要使用HelpBackColor和LineColor重新绘制矩形以使视图清晰。

    namespace Bravo.Bravo7.UI
    {
        public class MyPropertyGrid : PropertyGrid
        {
            public class SnappableControl : NativeWindow
            {
                private Control _parent;
                private MyPropertyGrid _ownerGrid;

                public SnappableControl(Control parent, MyPropertyGrid ownerGrid)
                {
                    _parent = parent;
                    _parent.HandleCreated += _parent_HandleCreated;
                    _parent.HandleDestroyed += _owner_HandleDestroyed;

                    _ownerGrid = ownerGrid;
                }

                protected override void WndProc(ref Message m)
                {
                    base.WndProc(ref m);

                    switch (m.Msg)
                    {
                        case (int)NativeMethods.WM_NCPAINT:
                        case (int)NativeMethods.WM_PAINT:

                            using (var g = _parent.CreateGraphics())
                            {
                                using (var pen = new Pen(_ownerGrid.HelpBackColor))
                                {
                                    var clientRectangle = _parent.ClientRectangle;
                                    clientRectangle.Width--;
                                    clientRectangle.Height--;
                                    g.DrawRectangle(pen, clientRectangle);
                                }
                            }

                            break;
                    }
                }

                void _owner_HandleDestroyed(object sender, EventArgs e)
                {
                    ReleaseHandle();
                }

                void _parent_HandleCreated(object sender, EventArgs e)
                {
                    AssignHandle(_parent.Handle);
                }
            }

            public class PropertyGridView : NativeWindow
            {
                private Control _parent;
                private MyPropertyGrid _ownerGrid;

                public PropertyGridView(Control parent, MyPropertyGrid ownerGrid)
                {
                    _parent = parent;
                    _parent.HandleCreated += _owner_HandleCreated;
                    _parent.HandleDestroyed += _owner_HandleDestroyed;

                    _ownerGrid = ownerGrid;
                }

                protected override void WndProc(ref Message m)
                {
                    base.WndProc(ref m);

                    switch (m.Msg)
                    {
                        case (int)NativeMethods.WM_NCPAINT:
                        case (int)NativeMethods.WM_PAINT:

                            using (var g = _parent.CreateGraphics())
                            {
                                using (var pen = new Pen(_ownerGrid.LineColor))
                                {
                                    g.DrawRectangle(pen, 0, 0, _parent.Width - 1, _parent.Height - 1);
                                }
                            }

                            break;
                    }
                }

                void _owner_HandleDestroyed(object sender, EventArgs e)
                {
                    ReleaseHandle();
                }

                void _owner_HandleCreated(object sender, EventArgs e)
                {
                    AssignHandle(_parent.Handle);
                }
            }

            public class MyToolStripRenderer : ToolStripSystemRenderer
            {
                protected override void OnRenderToolStripBorder(ToolStripRenderEventArgs e)
                {
                    //base.OnRenderToolStripBorder(e);
                }
            }

            public MyPropertyGrid()
            {
                base.LineColor = SystemColors.Control;
                base.ViewBackColor = Color.FromArgb(246, 246, 246);

                base.DrawFlatToolbar = true;
                base.ToolStripRenderer = new MyToolStripRenderer();

                var docDocument = typeof(PropertyGrid)
                    .GetField("doccomment", BindingFlags.NonPublic | BindingFlags.Instance)
                    .GetValue(this) as Control;

                new SnappableControl(docDocument, this);

                var gridView = typeof(PropertyGrid)
                    .GetField("gridView", BindingFlags.NonPublic | BindingFlags.Instance)
                    .GetValue(this) as Control;

                new PropertyGridView(gridView, this);
            }

        }

    }

Screen Shot

答案 2 :(得分:1)

你需要一点互操作:

[DllImport("User32", CharSet=CharSet.Auto)]
private static extern int SetWindowLong(IntPtr hWnd, int Index, int Value);
[DllImport("User32", CharSet=CharSet.Auto)]
private static extern int GetWindowLong(IntPtr hWnd, int Index);

int GWL_STYLE = -16;
int WS_BORDER = 0x00800000;
IntPtr hWnd = yourPropertyGrid.Handle;

int style = GetWindowLong(hWnd, GWL_STYLE);
style = style & ~WS_BORDER;
SetWindowLong(hWnd, GWL_STYLE, style);

答案 3 :(得分:0)

这段代码工作。

private void SetHelpBoderColor(bool showBorder)
{
    if (showBorder)
    {
        //Set Default ViewBackColor
        PropertyInfo viewBackColor = this.propertyGrid.GetType().GetProperty("ViewBorderColor");
        if (viewBackColor != null)
            viewBackColor.SetValue(this.propertyGrid, SystemColors.ControlDark, null);

        //Set Default HelpBorderColor
        PropertyInfo helpBorderColor = this.propertyGrid.GetType().GetProperty("HelpBorderColor");
        if (helpBorderColor != null)
            helpBorderColor.SetValue(this.propertyGrid, SystemColors.ControlDark, null);

    }
    else
    {
        //Set ViewBackColor
        PropertyInfo viewBackColor = this.propertyGrid.GetType().GetProperty("ViewBorderColor");
        if (viewBackColor != null)
            viewBackColor.SetValue(this.propertyGrid, SystemColors.Control, null);

        //Set HelpBorderColor
        PropertyInfo helpBorderColor = this.propertyGrid.GetType().GetProperty("HelpBorderColor");
        if (helpBorderColor != null)
            helpBorderColor.SetValue(this.propertyGrid, SystemColors.Control, null);
    }

    if (DesignMode)
    {
        Parent.Refresh();
    }
}

答案 4 :(得分:0)

一种快速而直观的解决方案是创建一个父面板和一个子面板,如下图所示:

enter image description here