Hi, I was thinking about Anchor property as well. How about using a SplitContainer in a horizontal oritation, with two textBoxes Dock property set as Fill? Br!" Sun

Hi, all, In WinForms with C#, a TableLayoutPanel custom control with, saying, 10 rows and 5 columns being designed in designer window. NumberOfRows was coded as a property of this custom control. I wish to change this property value and set it as a new RowCount of the TableLayoutPanel mentioned above, before the custom control running InitializeComponent(). Is this possible? I have tried to do it with a method in the SET of that property as below:

private void OnNumberOfRowsChanged()
{
tableLayoutPanel1.RowCount = numberOfRows;
}

and it didn't work while I change the value of NumberOfRows property, and set a breakpoint in the constructor method of that custom control, the RowCount remains as 10. Btw, I tried to use tableLayoutPanel1.RowStyles.Remove() and tableLayoutPanel1.RowStyles.RemoveAt(index) as well, neither of these two works as well... Any Idea? Your kind help is so much appreciated!! Br! Sun

Hi, stancrm, You are right. I did this exception in the wrong place, and with a wrong exception name as well :rolleyes: . I noticed it after I read Sur's reply. Anyway, Thank you two!! A lot! Br! Sun

Hi, Sur, Thank you so much! This solved my problem. Really, thanks a lot!! Br! Sun

thank you, stancrm, I've tried this, I added one method, OnCurrentLineChanged() in the SET of that property, and the method is as follows:

  private void OnCurrentLineChanged()
  {
        if (currentLine < 1 || currentLine > 100)
        {
            throw new System.ArgumentException("Property value is not valid", "original");
        }
  }

However, I don't know for what reason, it doesn't work when I go designer window and try a number like 123. Any idea with this? Br! Sun

Hi, all, I am doing with a custom control in WinForms, and there is one customed integer type property, say, currentLine, declared in that custom control class with the following code:

    private int currentLine;

    public int CurrentLine
    {
        get { return currentLine; }
        set { currentLine = value; }
    }

but this property's value should be restricted between 1 and 100. How to make this happen, so that a value smaller than 1, or bigger than 100 is rejected to be entered in properties window at designer time? Any suggestions are so much appreciated!! Thanks. Br! Sun

Luc Pattyn wrote:

assuming the button is visible on some form,

Hi, what if I create this button btn_OK dynamically in my codes then? Thanks for your patient so much! ;) Sun

Luc Pattyn wrote:

IMO this.Dispose() does not make any sense,

Hi, Sorry if I said it wrong, but when I mentioned this.Dispose(), this = the main form. But thank you, Luc, I got your point. Again, I have another question, what if I set a new Font for one control, for example, btn_OK, am I doing it rightly by the code below:

btn_OK.Font = new Font(....);
...
btn_OK.Font.Dispose();

Thanks in advance!;) Sun

Luc Pattyn wrote:

if you have those, don't forget to Dispose the ones you created

Hi, What if my app has values need to be passed? does this.Dispose() going to erase them? Sun

Zap-Man wrote:

private static bool IsKeyDown = false;

Confused. Can this variable be changed ever? Correct me if I am wrong...:)

Hi, I guess it's .NET 2.0, since you can see it's combined with Visual Studio 2005, well, for example, look at the right side of this page[]. :)

Interesting. Do you mean you don't need so many tabs? Cuz, first, when one tab is showing, the others are hiding; second, tab pages can be removed if not needed. ;)

Huh, Sorry, I must have read your previous post wrong.:) If you need free source of that book, you can just google the name of that book with keyword "rapidshare", then you should have few links to be accessed. Good luck! Sun

Yonathan1111 wrote:

Hi leapsword, I need free source.

Hi, Free source are certainly not possible to be given, cuz: 1. They require other people's hard work on; 2. We are here only for the reason to try to help each other with problems, but not for the sake of giving a solution; So, very sorry to say, but you probably need to go and buy a book to read, or do some research by searching on internet. ;)

And I just want to have a million dollars. :laugh:

:omg: Okay, you mean this. Thank you anyway!

Hi, Thank you for your replying! ;)

Luc Pattyn wrote:

One handler can contain code that causes many new events to fire (i.e. be added to the queue), e.g. by executing btn.PerformClick().

Could you be so kind to explain little bit more details about this line? Your kind help is so much appreciated! Sun

Hi, You might be able to get some ideas if you could go through Chapter 16 of this book :laugh: Best wishes!

Hi, all, Suppose I have two buttons in my WinForms Application, named as btn_First, btn_Second, Is it possible to do the following steps: 1. Fire Mouse_Down event of btn_First, 2. Mouse_Leave from btn_First, 3. while Mouse Event of btn_Second is still not released yet, Mouse_Enter into btn_Second get fired, and then, get the information such like (Control)sender is btn_Second, etc?? According to what I have learned so far, I think this is not possible, because two events are not supposed to get fired at the same time. But I am not so sure, just wanna ensure this(hope this is not so stupid a question ;P ). Thank you. Any suggestions would be so much appreciated!

As d@nish said below, that is 100% possible. You just have to set the ContextMenuStrip Property for those two of your RichTextBoxes, enjoying the coding time. :laugh: