C# / C Sharp Forum

protected abstract static string SetConnectionToUse(DataMode whatMode); This is illegal to the C# compiler, because "static" & "abstract" don't go together. But how else can one force deriving classes to implement a method while still making the method static?

How would I pass parameters to a console application? I would like to do something like this: consoleapp.exe /o \\fileshare\origindirectory /d \\fileshare\destinationdirectory I'm not sure how to start the console app to read from the command line. Any assistance would be appreciated! Michael Hetrick

HI All, I have an Image. I want to clip a portion of it and copy to another image. How to do this? I know the bounding rectangle to clip. Any suggestions please. Thanks for your time and help. Regards

Why does this code Console.WriteLine(g.MeasureString("a", new Font("Lucida Console", 11f)).Width); Console.WriteLine(g.MeasureString("aa", new Font("Lucida Console", 11f)).Width); produce this output: 13.9911

Hi All, First of all, My computer have only one comm port, and I did set up the port as looping call back. I have one form with one button. When the form load, I call WriteFile to open the port and then create a thread for reading back the port if some thing arrive into the port. When I click the button, I write the word: "Hello World" to...

Hi, I'm trying to do drag-n-drop from MS Outlook onto a C# form. I'm just proving a concept for management here so we don't need to get fancy; assume I'm dropping an Outlook e-mail message with 2 file attachements onto a form. I've read everything I could find in MSDN that is relevant and I've got the basic hooks in place: private...

Just wondering wether it would be possible to programatically attach processes like aspnet_wp.exe to the debugger. Otherwise we need to attach it every time which seems to be quite time consuming in a large project like ours Any help would be muchly appreciated cheers Bijoy

hi i have a string like "ffff032d" which represents a color. i want to create a color object given this value but am having trouble. this is what i have so far.

I have been trying to us an unmanaged dll for a while now with no good results. Most of the dll methods i can use and have been. I however have a problem with this one. I am supposed to ref 15 objects as the following type. This is one of the 15 variables i am using. object secondaryFieldScoreDataSA = new int ;

How do I get this to work? Libraries to use etc.? Thanks, Patrick. Timer timer = new Timer() timer.Interval = 1000; // Once a second timer.Tick += new EventHandler(OnTick); timer.Enabled = true; timer.Start();

I have written an application and am looking to extend its capabilities. I am looking to create pluggins and don't know where to start. I am also looking to store the pluggins in a subdirectory from the application root. I looked on MSDN and some of the other code sites but couldn't find and example. Does anyone have an example? ...

Is there a way to increase the socket list limit on the select call? I get an index out of range exception on any list count over 64.

I keep getting the following warning in my compile: Warning: The dependency 'WBWebServices, Version=1.0.1289.13943, Culture=neutral' in project 'WBWin' cannot be copied to the run directory because it would overwrite the reference 'WBWebServices, Version=1.0.1289.15088, Culture=neutral'. If I delete and readd the reference, it compiles fine...

Has anyone used CreateWindowEX API to create a control in C#? I want to create the Richtextbox control using this method so I can have better control over the underlying interfaces to substantial extend the functionality. Any Ideas would be appreciated. What I really want to do is create the control with a limited exposure of properties,...

Hi, I haven't been able to find proper (commonly agreed) names for the following kinds of methods. Class (static) methods: c1) returns value, doesn't modify the content of its argument(s) and doesn't change the state of class (class accessor?) c2) returns value, doesn't modify the content of its argument(s) and changes the state of...

Hi, I think I'm having some problems here with garbage collection. Currently, I have the following code: public struct Event { public int timestamp;

I have written a modified textbox. Is there a way to get a combobox to use a custom textbox control?

Hello! How can I get the info about the function at which goes the execution. I mean information that can be obtained with the help of __FUNCTION__ , __FILE__, __LINE__ in the C-language. -- Vadym Stetsyak ICQ 161730125

When I compile my project in VS.NET 2003, the projectName.exe.config file in the BIN directory is deleted. This was not the case in VS.NET 2002. How can I resolve this? -- Thanks in advance, Les Caudle

Hi All, How can I get the handle to a window in c#? I did notice that for a form in C# there is a hwnd property, is this one and the same? Thanks, JJ

Hi, I have the following: private enum LineFormat { LEFT_TO_RIGHT, RIGHT_TO_LEFT }; private void DrawLine ( LineFormat ) { // draw differently depending on the parameter }

I have a string looked this "2003-07-08T13:04:00.0000000" How do I convert it into a System.DateTime object? Regards

Has anyone had this happen. I'm in a ASP.NET application using c#. I drag a label and text box to my page. I add a table add some <tr>'s <td>'s. Then I nest another table, line my code up so it all indents just the way I like it. I then switch to design view, then back to HTML view only to find my code is now repositioned.

I have a Singleton Model object that can be instantiated by different applications at runtime. This object activates a Channel using the config file in its constructor, which needs the name of the config file as a string. Because the object does not know the application in which it is being instantiated and because it's constructor is...

I am using C# to import data from an Excel File, and trying only want to get a rowcount of rows with data in them, not 65536. Is there a way to do this, or do I need to cycle through all the rows to determine if data exists..?