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Don't crash when cancelling out of a modeless dialog.

This commit is contained in:
Mike McCormack 2005-07-06 11:11:26 +00:00 committed by Alexandre Julliard
parent cbe914c472
commit 30ddf73954
1 changed files with 12 additions and 9 deletions
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21
dlls/msi/events.c
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@ -57,21 +57,23 @@ UINT ControlEvent_HandleControlEvent(MSIPACKAGE *, LPCWSTR, LPCWSTR, msi_dialog*
/*
* Create a dialog box and run it if it's modal
*/
static UINT event_do_dialog( MSIPACKAGE *package, LPCWSTR name )
static UINT event_do_dialog( MSIPACKAGE *package, LPCWSTR name, BOOL destroy_modeless )
{
msi_dialog *dialog;
UINT r;
/* kill the current modeless dialog */
if( package->dialog )
msi_dialog_destroy( package->dialog );
package->dialog = NULL;
/* create a new dialog */
dialog = msi_dialog_create( package, name,
ControlEvent_HandleControlEvent );
if( dialog )
{
/* kill the current modeless dialog */
if( destroy_modeless && package->dialog )
{
msi_dialog_destroy( package->dialog );
package->dialog = NULL;
}
/* modeless dialogs return an error message */
r = msi_dialog_run_message_loop( dialog );
if( r == ERROR_SUCCESS )
@ -139,7 +141,8 @@ static UINT ControlEvent_NewDialog(MSIPACKAGE* package, LPCWSTR argument,
static UINT ControlEvent_SpawnDialog(MSIPACKAGE* package, LPCWSTR argument,
msi_dialog *dialog)
{
event_do_dialog( package, argument );
/* don't destroy a modeless dialogs that might be our parent */
event_do_dialog( package, argument, FALSE );
if( package->CurrentInstallState != ERROR_SUCCESS )
msi_dialog_end_dialog( dialog );
return ERROR_SUCCESS;
@ -339,13 +342,13 @@ UINT ACTION_DialogBox( MSIPACKAGE* package, LPCWSTR szDialogName )
* dialog, as it returns ERROR_IO_PENDING when we try to run
* its message loop.
*/
r = event_do_dialog( package, szDialogName );
r = event_do_dialog( package, szDialogName, TRUE );
while( r == ERROR_SUCCESS && package->next_dialog )
{
LPWSTR name = package->next_dialog;
package->next_dialog = NULL;
r = event_do_dialog( package, name );
r = event_do_dialog( package, name, TRUE );
HeapFree( GetProcessHeap(), 0, name );
}