Top "Handle" questions

How can I tell if a given hWnd is still valid?

I'm using a third-party class that spawns an instance of Internet Explorer. This class has a property, hWnd, that returns …

c# winforms handle hwnd

Delphi: Check whether file is in use

I want to write to/delete a file but sometimes I get a crash if the file is in use …

delphi file handle

Jquery UI sortable, button is not working as handle

I am trying to sort tr's in a table. code $("table tbody").sortable({ handle: 'button' //handle: 'img' }).disableSelection(); live fiddle …

jquery jquery-ui handle jquery-ui-sortable

Handle Keyboard Done pressed event on Iphone

I am moving my view when a text field is pressed in order to get proper view when keyboard appears. …

iphone keyboard key handle

How do you get a Process' main window handle in C#?

The objective is to programmatically start a Windows Form, get its handle, and send info to its wndProc() function using …

c# process window handle

Can I use SafeHandle instead of IntPtr?

I've searched the internet far and wide but didn't find a good explanation. My question is pretty simple. I have …

c# pinvoke marshalling handle

How do you obtain Current Window Handle Count and Window Handle Limit in .NET?

I want to obtain the current number of window handles and the system-wide window handle limit in C#. How do …

.net window handle

WinAPI: OpenProcess() returns error 5 with SeDebugPrivilege enabled for host process

I've got a routine where I process-walk to obtain the HANDLE of each process as I 'walk' down the list (…

c++ winapi handle getlasterror openprocess

How to get hWnd of window opened by ShellExecuteEx.. hProcess?

This "simple" issue seems to be fraught with side issues. eg. Does the new process open multiple windows; Does it …

c++ process window handle

Matlab ode45. How to change a parameter inside it while calling it?

I'm new with Matlab. I hope you can help me. I have to solve a system of ODEs using ODE45 …

function matlab handle solver ode