Closes an open handle to a desktop object
#include <WinAPISys.au3>
_WinAPI_CloseDesktop ( $hDesktop )
| $hDesktop | Handle to the desktop to be closed. |
| Success: | True. |
| Failure: | False, call _WinAPI_GetLastError() to get extended error information. |
The _WinAPI_CloseDesktop() function will fail if any thread in the calling process is using the specified desktop handle or if the handle refers to the initial desktop of the calling process.
Suche nach CloseDesktop in der MSDN Bibliothek.
#include <MsgBoxConstants.au3>
#include <StructureConstants.au3>
#include <WinAPIMem.au3>
#include <WinAPIProc.au3>
#include <WinAPISys.au3>
; Retrieve a handle to the current desktop and create a new desktop named "MyDesktop"
Local $hPrev = _WinAPI_GetThreadDesktop(_WinAPI_GetCurrentThreadId())
Local $hDesktop = _WinAPI_CreateDesktop('MyDesktop', BitOR($DESKTOP_CREATEWINDOW, $DESKTOP_SWITCHDESKTOP))
If Not $hDesktop Then
MsgBox(($MB_ICONERROR + $MB_SYSTEMMODAL), 'Error', 'Unable to create desktop.')
Exit
EndIf
; Switch to the newly created desktop
_WinAPI_SwitchDesktop($hDesktop)
; Run "notepad.exe" on "MyDesktop" and wait until a process will not be closed by user
Local $pText = _WinAPI_CreateString('MyDesktop')
Local $tProcess = DllStructCreate($tagPROCESS_INFORMATION)
Local $tStartup = DllStructCreate($tagSTARTUPINFO)
DllStructSetData($tStartup, 'Size', DllStructGetSize($tStartup))
DllStructSetData($tStartup, 'Desktop', $pText)
If _WinAPI_CreateProcess('', @SystemDir & '\notepad.exe', 0, 0, 0, $CREATE_NEW_PROCESS_GROUP, 0, 0, $tStartup, $tProcess) Then
ProcessWaitClose(DllStructGetData($tProcess, 'ProcessID'))
EndIf
; Switch to previous desktop and close "MyDesktop"
_WinAPI_SwitchDesktop($hPrev)
_WinAPI_CloseDesktop($hDesktop)
; Free memory allocated for a string
_WinAPI_FreeMemory($pText)