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sagalovichm
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- About sagalovichm
Dec 11, 2008
09:38 AM
Hi All! I have a problem. When user clicks the 'Next' button on one of the dialogs, I need to check a condition A and, if A is true, show a message which is designed as a custom dialog in Basic MSI project in IS 2009. The message asks the user whether he/she wants to continue or to abort the installation. If the user chooses to continue, I need to show the next screen (as it would happen if A was false). If the user chooses to abort the installation, I need to show a standard screen (i.e. the screen which is normally shown when the installation is canceled and cancellation is confirmed). I have tried something that seemed to be a normal sequence of events for the 'Next' button: Event Argument Condition DoAction ActionToSetA 1 SpawnDialog MyMessage A=1 NewDialog NextDialog 1 But it does not work because, as I understood, the program does not wait for the 'MyMessage' dialog to close before moving to next event. Thus, the 'MyMessage' dialog is overlapped by the 'NextDialog' dialog. Two possible solutions that I found are these: 1. Create property 'FlagProperty' and set it to 0 as default and then set the following sequence for the 'Next' button: DoAction ActionToSetA FlagProperty=0 SpawnDialog MyMessage (A=1) AND (FlagProperty=0) NewDialog NextDialog (A=0) OR (FlagProperty=1) The following for the 'MyMessage' 'Yes' button: [FlagProperty] 1 1 EndDialog Return 1 And the following for the 'No' button: EndDialog Exit 1 The drawbacks of this approach are: a) The user will need to click 'Next' again after clicking the 'Yes' button. b) If the user returns to this dialog, A will not be set and the 'MyMessage' dialog will not be spawned again as FlagProperty will be 1. 2. Create two properties MessageClosed and Answer and set the following sequences: for the 'Next' button of the dialog: DoAction ActionToSetA 1 NewDialog NextDialog A=0 [MessageClosed] 0 1 SpawnWaitDialog MyMessage MessageClosed=1 NewDialog NextDialog Answer=1 EndDialog Exit Answer=0 for the 'Yes' button of the 'MyMessage' dialog: [Answer] 1 1 [MessageClosed] 1 1 for the 'No' button: [Answer] 0 1 [MessageClosed] 1 1 This approach has one drawback: the cursor turns into hourglass when the 'MyMessage' dialog is shown. Is there any third approach or a way to eliminate the drawbacks of these 2? Thanks for reading this looooong question 🙂
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InstallShield 2009
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- Posted NewDialog after SpawnDialog - how to wait? on InstallShield Forum. Dec 11, 2008 09:38 AM
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