Category in Advanced options dialog: Modeling properties
Use this advanced option to define the time in milliseconds after which Tekla Structures prompts you to cancel the object selection. You can cancel the object selection process if the selection takes longer than the defined time.
The default value is 5000.
This advanced option is user specific and the setting is saved in options.bin under the user folder, for example, in C:\Users\<user>\AppData\Local\Trimble\Tekla Structures\<version>\UserSettings. Restart Tekla Structures to activate the new value.