Hi Brian,
The *approach* is the same as in C++ - you will just have more hassle with
C# due to all this P/Invoke stuff.
I did it myself so I can claim this is possible :-)
As far as I remember, the main idea is to handle certain ListView
notification messages (CDDS_PREPAINT and CDDS_POSTPAINT) to let the control
know you are going to do some ownerdraw. I also remember there were several
modes possible - full owner-draw, owner draw for a particular column and so
on. The most complex thing is obviously handling the notification messages
and juggling with all these API structures in C# - so you will need a solid
background in P/Invoke.
Your first step will be to override the WndProc method in a control
inherited from the ListView and to react on the NM_CUSTOMDRAW message:
protected override void WndProc(ref Message message)
{
base.WndProc(re f message);
switch (message.Msg)
{
case (int)Win32API.C ommonControls.O CM_NOTIFY:
Win32API.Common Controls.NMHDR msgHeader =
(Win32API.Commo nControls.NMHDR )message.GetLPa ram(typeof(Win3 2API.CommonCont rols.NMHDR));
switch (msgHeader.code )
{
case (int)Win32API.C ommonControls.N M_CUSTOMDRAW:
// Do the custom drawing.
break;
default:
break;
}
break;
default:
break;
}
}
The Win32API.Common Controls namespace was my own one - you will have to
declare your own constants and structures.
--
Sincerely,
Dmitriy Lapshin [C# / .NET MVP]
Bring the power of unit testing to the VS .NET IDE today!
http://www.x-unity.net/teststudio.aspx
"Brian Keating EI9FXB" <csharp at briankeating.ne t> wrote in message
news:2C******** *************** ***********@mic rosoft.com...
Hi agian,
I see that this sample uses owner draw,
what i really would like is to use custom draw like i did in my native c++
application.
any ideas on how i can do this in .NET?
Thanks
"Rajagopal Pasupuleti" wrote:
check this article..
http://www.codeproject.com/cs/miscctrl/customheader.asp
--
rajagopal
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