Threading in .NET - .NET Framework

sonali_reddy123

Hi all,

I have a problem regarding the threading issues in .NET. Actually I
have a application in which i execute a process by invoking the thread
in the background and at the same time I
want to display a modal dialog which will only block my UI. It doesn't
have to do anything with my thread executing in the background.

Actually the dialog is getting displayed as result of the process
carried out by a thread in background. So the thread accepts the output
from the dialog and continues with furter
processing.

The problem is the dialog which I am displaying is not getting
displayed as a modal dialog.
And I don't want the user to interact with the background UI while the
dialog is getting displayed.

Is it that Calling ShowDialog from the thread event handler causing the
problem if so what is the solution.

Thanks in advance

Dec 28 '05 #1

Subscribe Post Reply

1007

TT (Tom Tempelaere)

Hi Sonali,

"so*************@yahoo.com" wrote:

Hi all,

I have a problem regarding the threading issues in .NET. Actually I
have a application in which i execute a process by invoking the thread
in the background and at the same time I
want to display a modal dialog which will only block my UI. It doesn't
have to do anything with my thread executing in the background.

Actually the dialog is getting displayed as result of the process
carried out by a thread in background. So the thread accepts the output
from the dialog and continues with furter
processing.

The problem is the dialog which I am displaying is not getting
displayed as a modal dialog.
And I don't want the user to interact with the background UI while the
dialog is getting displayed.

Is it that Calling ShowDialog from the thread event handler causing the
problem if so what is the solution.

Thanks in advance

Don't start the form from another thread than the UI thread. Synchronize its
state with the background worker (ie don't directly touch any UI component
from a worker thread). Use the ISynchronizeInvoke interface implemented by
all UI components (form, button, data grid ... best use is form).

Kind regards,
--
Tom Tempelaere.

Dec 29 '05 #2

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