I think that what you see is a driver problem. I have a similar problem with a Matrox G400 Dual Head card.
In my case, switching from 32-bit to 24-bit mode solves the problem and switching to another pc with another video card also solves the problem. Regards Henrik > -----Original Message----- > From: Luis Abreu [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, May 21, 2002 2:18 AM > To: [EMAIL PROTECTED] > Subject: help with owner draw menus > > > Hello all. > > I'm starting to learn .net and I'm using c#. I'm trying to > build an owner draw menu, which should look like VS.net. So > I've looked for examples and I've found some. The problem > I'm getting is that when the mouse is over one of the items > in the menu I'm getting a broke line in the place where the > mouse is standing (I'm using drawrectangle to draw a blue > rect around the selected item). I think that there's > something wrong with this line of code: > > gr.DrawRectangle( new Pen( Color.DarkBlue ), rect.X, rect.Y, > rect.Width - 1 , rect.Height - 1 ); > > I'm saying this because if I replace it with this one: > > ControlPaint.DrawBorder3D( gr, rect.Left, rect.Top, > rect.Width,rect.Height, Border3DStyle.Flat, Border3DSide.Top > | Border3DSide.Left | Border3DSide.Right | Border3DSide.Bottom ); > > it works ok (no lines get broken when the mouse is over the items). > > What I don't understand is why this doesn't happen top the > top menu item (only happens to the children of the main menu item). > > Has anyone found anything like this? > > This link has 2 images showing the results of what happens > when I use each of the functions: > > http://members.netmadeira.com/luisabreu/error/errorc.htm > > Here is the code responsible for drawing the background of the menu > items: > > protected void DrawBackground( Graphics gr, Rectangle rect, > DrawItemState state, bool isTopLevel, bool hasIcon ) { bool > selected = ( state & DrawItemState.Selected ) > 0; > bool over = ( state & DrawItemState.HotLight ) > 0; > if( selected || over ) > { > //check if top level > if( isTopLevel && selected) > { > gr.FillRectangle( new SolidBrush( > SystemColors.ControlLight ), rect ); > ControlPaint.DrawBorder3D( gr, rect.Left, rect.Top, rect.Width, > rect.Height, Border3DStyle.Flat, > Border3DSide.Top | > Border3DSide.Left | Border3DSide.Right ); > } > else > { > Trace.Write ("top1"); > gr.FillRectangle( new SolidBrush( Color.FromArgb(173, > 173, 209) ), rect ); > /* > HERE IS WHERE I'M GETTING THAT NASTY ERROR > */ > gr.DrawRectangle( new Pen( Color.DarkBlue ), rect.X, > rect.Y, rect.Width - 1 , rect.Height - 1 ); > /*ControlPaint.DrawBorder3D( gr, rect.Left, rect.Top, rect.Width, > rect.Height, Border3DStyle.Flat, > Border3DSide.Top | > Border3DSide.Left | Border3DSide.Right | Border3DSide.Bottom );*/ > > } > else > { > if( !isTopLevel ) > { > Trace.Write ("top2"); > gr.FillRectangle( new SolidBrush( > SystemColors.ControlLight ), rect ); > rect.X += bitmap_size + 5; > rect.Width -= bitmap_size + 5; > gr.FillRectangle( new SolidBrush( > SystemColors.ControlLightLight ), rect ); > } > else > { > gr.FillRectangle( SystemBrushes.Control, rect ); > } > } > } > > > > Regards, > Luis Abreu > http://www.luisabreu.go.cc/ > mailto:[EMAIL PROTECTED] > --------------------------------------------- > "Those who give up never win, > and those who win never give up!", Luis Abreu > --------------------------------------------- > > You can read messages from the DOTNET archive, unsubscribe > from DOTNET, or subscribe to other DevelopMentor lists at > http://discuss.develop.com. > You can read messages from the DOTNET archive, unsubscribe from DOTNET, or subscribe to other DevelopMentor lists at http://discuss.develop.com.
