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C#

Besinci12-Jul-06 9:31

12-Jul-06 9:31

Hi all,

Is it possible to inherit from an enumtype eg. System.TypeCode??

Thx..

Re: Inheritance...

BoneSoft12-Jul-06 9:36

12-Jul-06 9:36

Nope.

Try code model generation tools at BoneSoft.com.

BoneSoft12-Jul-06 9:30

12-Jul-06 9:30

Has anybody ever tried to paint a single pixel? Best I can do is draw a line two pixels long. I never have figured out how to accomplish that.

Try code model generation tools at BoneSoft.com.

Re: Graphics class

Christian Graus12-Jul-06 9:37

Christian Graus

12-Jul-06 9:37

There's a SetPixel method.

Christian Graus - Microsoft MVP - C++
Metal Musings - Rex and my new metal blog

Re: Graphics class

BoneSoft12-Jul-06 9:48

12-Jul-06 9:48

On Bitmap yes, but I can't find a way through the graphics class. Just seems strange to me that they didn't include a way to do it there.

Try code model generation tools at BoneSoft.com.

Re: Graphics class

Josh Smith12-Jul-06 9:50

12-Jul-06 9:50

What about calling DrawRectangle on a rect that is 1x1 ?

:josh:
My WPF Blog[^]

Re: Graphics class

BoneSoft12-Jul-06 9:51

12-Jul-06 9:51

Don't remember if I tried that, but I know you can't draw a line that's one pixel long. I assume rectangle will fail too. I'll try it out though.

Try code model generation tools at BoneSoft.com.

Re: Graphics class

alexey _N12-Jul-06 21:13

12-Jul-06 21:13

Try to draw small dotted line.
Try to draw circle with rect 1x1.
Or finally, set cliprect with size 1x1, and draw line (very bad solution, if upper methods does't work).

Best regards, Alexey.

haytham_mohammad12-Jul-06 8:40

haytham_mohammad

12-Jul-06 8:40

Hi all
i want to use Console.Beep() in vs.net 2003 as it is new in 2005
what can i do?

haitham

Josh Smith12-Jul-06 8:48

12-Jul-06 8:48

You can't. That is a .NET 2.0 feature, so you cannot use it from .NET 1.x code.

:josh:
My WPF Blog[^]

Steve Maier12-Jul-06 8:49

12-Jul-06 8:49

I think you will have to use P/Invoke code to get to the Win32 Beep call.

PInvoke.net[^]

Steve Maier, MCSD MCAD MCTS

Dustin Metzgar12-Jul-06 8:52

12-Jul-06 8:52

Do it the old-fashioned way:

Console.WriteLine("\a");

Josh Smith12-Jul-06 8:55

12-Jul-06 8:55

That didn't work for me, in a WinForms app. Does that require some system volume setting to be non-muted?

:josh:
My WPF Blog[^]

Dustin Metzgar12-Jul-06 9:03

12-Jul-06 9:03

Put it in a console app. It's a standard PC speaker beep, not a windows beep.

Visual studio 2005

Sabry190512-Jul-06 8:09

12-Jul-06 8:09

Hi All
when I am trying to discover visual studio 2005, I got a strange behavior when I am trying to put about 50 button on the form and run the application it makes some flicking in the startup
I don't know why?

Re: Visual studio 2005

engsrini12-Jul-06 8:15

12-Jul-06 8:15

This is due to progressive redrawing of parts of a displayed surface. u can use buffering to avoid this flickering.

see Control.DoubleBuffered Property. set this one into true.

Re: Visual studio 2005

Sabry190512-Jul-06 21:44

12-Jul-06 21:44

Thx, I tried this , DoubleBuffered is protected property and should be used in the sub class
I made an inherited class from class button and used it in my form instead of class Button

see this
class InheritedButton:Button
{
public InheritedButton()
{
this.DoubleBuffered = true;
}
}

but it is still flickers????

Re: Visual studio 2005 [modified]

LongRange.Shooter13-Jul-06 4:02

LongRange.Shooter

13-Jul-06 4:02

Use SetStyle(); and set it in the control that the buttons are getting added to. Also, if you are doing the adding of buttons, instead of the designer, then you should do the following:

// button load event:
public void LoadButtons(string[] buttontext)
{
      this.SuspendLayout();
       ... // button load logic
      this.ResumeLayout();
}

-- modified at 10:03 Thursday 13th July, 2006

Re: Visual studio 2005

Sabry190513-Jul-06 5:41

13-Jul-06 5:41

i did but still got the problem

public frmMain()
{
InitializeComponent();
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
LoadButtons();
}
private void LoadButtons()
{

panContainer.SuspendLayout();
this.SuspendLayout();
for (int j = 0; j < 50; j++)
{
InheritedButton TempButton = new InheritedButton();
TempButton.Cursor = System.Windows.Forms.Cursors.Hand;
TempButton.Size = CellSize;
TempButton.TabStop = false;
TempButton.Text = "?";
TempButton.UseVisualStyleBackColor = true;
TempButton.Click += new System.EventHandler(this.button_ClickGenralHandler);
//TempButton.Location //Coding For locations
panContainer.Controls.Add(TempButton);
}

panContainer.ResumeLayout(false);
this.ResumeLayout(false);
}

and this the code of the Inhireted Controls

class InheritedButton:Button
{
public InheritedButton()
{
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
}
}
class InheritedPanel : Panel
{
public InheritedPanel()
{
this.SetStyle(ControlStyles.UserPaint, true);
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.OptimizedDoubleBuffer, true);
}
}

i still got the problem Smile | :)

Smile | :)

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12-Jul-06 7:40

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Dave Kreskowiak12-Jul-06 8:03

Dave Kreskowiak

12-Jul-06 8:03

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Microsoft MVP - Visual Basic

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12-Jul-06 8:20

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One to Many columns

Gulfraz Khan12-Jul-06 7:32

12-Jul-06 7:32

I have a table with one column. This table has more than 1500 rows.
I want to print those 1500 rows of one column using 4 columns in the report(rdlc).
How is it possible?

drive name [modified]

allenmpcx12-Jul-06 7:13

12-Jul-06 7:13

Is there a way to get a the name of the logical drive? Not the drive letter, but the name. For example, the drive C: usually appears in under My Computer as "Local Disk ( C: )". How would I obtain the "Local Disk" text?

I love to program!

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