I click a button then promopt a save as dialog box ,after select the location to save then click oK, i need to export a lot of data to csv file,
when the process is in progress, the save as dialog is still here, how can i after clicking OK button,then close the dialog immediately even the process is not end.
most likely i also want to prompt another form to show te progress status percentage.
SaveFileDialog SFD=new SaveFileDialog();
//export a lot of data to csv
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