Setting Up the Source and Destination Directories
SuggestedDestination properties along with the
InstallCheck method to set up the source and destination directories for your installation component. The following code snippet uses two TDirectoryListBox components,
DestDir, to allow the user to change the source and destination directories. The
InstallCheck method checks to see if everything is prepared for the installation.
try IBInstall1.SourceDirectory := SrcDir.Directory; IBInstall1.DestinationDirectory := DestDir.Directory; IBInstall1.InstallCheck; except on E:EIBInstallError do begin Label1.Caption := ''; Cancel.Visible := False; Execute.Visible := True; ProgressBar1.Visible := False; Exit; end; end;