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how to create a textbox or richtextbox and it every row has a rowline?
like word's gridlines,in every row.you can show it or hide all lines.
rowline!can you help me?
Posted
Comments
Sergey Alexandrovich Kryukov 28-Mar-13 11:46am    
Row in what? Nothing is clear...
—SA
Richard MacCutchan 28-Mar-13 11:46am    
I don't think text boxes (rich or poor) are designed to do that; you probably need to use a datagrid of some type.
ali_heidari_ 28-Mar-13 11:58am    
maybe its better make own usercontrol !
Richard MacCutchan 28-Mar-13 12:09pm    
And you are telling me this why?
ali_heidari_ 28-Mar-13 12:28pm    
a control inherited from textbox , can do some addition work!?

1 solution

like this,but I dont get rowhight.

C#
class rowlineTextbox : TextBox
    {
          const int WM_PAINT = 0xF;
        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);
            if (m.Msg == WM_PAINT||m.Msg == 0x133) 
             {
                  aaa();
            }
            
        }
         private void aaa()
        {
            using (Graphics g = Graphics.FromHwnd(base.Handle))
            {
                Pen tPen;
                Size CSize = this.ClientSize;
                int cordX1 = this.Location.X + this.Padding.Left;
                int cordX2 = CSize.Width - this.Padding.Right;
                int cordY1 = this.Location.Y + this.Padding.Top;
                int cordY2 = cordY1;

                tPen = new Pen(Color.Black, 1.0F);
                g.DrawLine(tPen, cordX1, cordY1, cordX2, cordY2);

                for (int i = cordY1; i <= CSize.Height; i += this.Font.Height)
                {
                    g.DrawLine(tPen, cordX1, i, cordX2, i);
                }
            }

        }
    }
 
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Comments
Richard MacCutchan 29-Mar-13 6:37am    
What results do you get? Use your debugger to step through the code and check the values of all the variables at each step.

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