GetWindowText: does not work!

[Mauro]

Hi,
as subject i've a problem with the API GetWindowText.
I declare the function GetWindowText:

[DllImport("user32.dll", EntryPoint="GetWindowTextA")]
public static extern int GetWindowTextt (
int hwnd,
string lpString,
int cch
);

When i try to call it in this way: Win32.GetWindText(hWnd,sName,128)
the sName string variable return empty!
how can i solve this problem?

thx!

Mauro.

 

[Richard Blewett [DevelopMentor]]

You need to use a System.Text.StringBuilder rather than a string for the lpString

Regards

Richard Blewett - DevelopMentor

http://staff.develop.com/richardb/weblog

nntp://news.microsoft.com/microsoft.public.dotnet.languages.csharp/<[email protected]>

Hi,
as subject i've a problem with the API GetWindowText.
I declare the function GetWindowText:

[DllImport("user32.dll", EntryPoint="GetWindowTextA")]
public static extern int GetWindowTextt (
int hwnd,
string lpString,
int cch
);

When i try to call it in this way: Win32.GetWindText(hWnd,sName,128)
the sName string variable return empty!
how can i solve this problem?

thx!

Mauro.

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