How to draw a rectangle on AxWebBrowser to high light one html element?

[Andy Chen]

Hi,

Now I can get the rectangle to draw, but it seems the rectangle is not
visible. The following code is used to draw the rectangle. Hope someone can
help. Thanks very much!

SolidBrush brush = new
System.Drawing.SolidBrush(System.Drawing.Color.Red);
Pen pen = new Pen(brush, 4);
Graphics formGraphics = Graphics.FromHwnd(this.axWebBrowser.Handle);
formGraphics.DrawRectangle(pen, rect);

 

[Nicholas Paldino [.NET/C# MVP]]

Andy,

Why don't you change the markup so that the rectangle is drawn by the
control itself, instead of drawing on the control itself?

 

[Andy Chen]

Yes, actually I tried by overriding the Wndproc method and handle WM_PAINT
message. Unfortunately I failed. Is there any interfaces provided by
webbrowser control can be used to do this job?

Thanks!
Andy

Andy,

Why don't you change the markup so that the rectangle is drawn by the
control itself, instead of drawing on the control itself?


--
- Nicholas Paldino [.NET/C# MVP]
- (e-mail address removed)

Hi,

Now I can get the rectangle to draw, but it seems the rectangle is not
visible. The following code is used to draw the rectangle. Hope someone
can help. Thanks very much!

SolidBrush brush = new
System.Drawing.SolidBrush(System.Drawing.Color.Red);
Pen pen = new Pen(brush, 4);
Graphics formGraphics = Graphics.FromHwnd(this.axWebBrowser.Handle);
formGraphics.DrawRectangle(pen, rect);