C# – How to drawString method be used for writing diagonal way

c++drawstringgdi+imagevisual-studio-2005

I am using c# 2005 i want to write string diagonally on image. But by default c# provides the option to write horizontally or vertically.

how we write diagonally?

Thanks

Best Solution

You can use the RotateTransform and TranslateTransform that are available on the Graphics class. Because using DrawString is GDI+ the transforms affects the drawing. So use something like this...

g.RotateTransform(45f);
g.DrawString("My String"...);
g.RotateTransform(-45f);

Don't forget to reverse the change though!

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C# – Calling the base constructor in C#

Modify your constructor to the following so that it calls the base class constructor properly:

public class MyExceptionClass : Exception
{
    public MyExceptionClass(string message, string extrainfo) : base(message)
    {
        //other stuff here
    }
}

Note that a constructor is not something that you can call anytime within a method. That's the reason you're getting errors in your call in the constructor body.

C# – How to cast int to enum

From an int:

YourEnum foo = (YourEnum)yourInt;

From a string:

YourEnum foo = (YourEnum) Enum.Parse(typeof(YourEnum), yourString);

// The foo.ToString().Contains(",") check is necessary for enumerations marked with an [Flags] attribute
if (!Enum.IsDefined(typeof(YourEnum), foo) && !foo.ToString().Contains(","))
{
    throw new InvalidOperationException($"{yourString} is not an underlying value of the YourEnum enumeration.")
}

Update:

From number you can also

YourEnum foo = (YourEnum)Enum.ToObject(typeof(YourEnum) , yourInt);

Best Solution

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C# – Calling the base constructor in C#

C# – How to cast int to enum

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