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Imperative and Selection Gizmos

Imperative and Selection Gizmos. Topics. Gizmos Six Classes of Gizmos Derived Gizmos Four Basic Flavors Imperative Gizmos Selection Gizmos. Gizmos. aka Microsoft controls Primary building block for GUIs Proliferate in dialog boxes Can be overused by programmers. Gizmos. Easy to use

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Imperative and Selection Gizmos

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  1. Imperative and Selection Gizmos William H. Bowers

  2. Topics • Gizmos • Six Classes of Gizmos • Derived Gizmos • Four Basic Flavors • Imperative Gizmos • Selection Gizmos William H. Bowers

  3. Gizmos • aka Microsoft controls • Primary building block for GUIs • Proliferate in dialog boxes • Can be overused by programmers William H. Bowers

  4. Gizmos • Easy to use • Difficult to create new ones • Originally (Win 3.1) linked to user.exe • Now delivered in DLL’s William H. Bowers

  5. Six Classes of Gizmos • Buttons • Edit fields • Static fields • List boxes • Scrollbars • Combo boxes William H. Bowers

  6. Derived Gizmos • Labels • Group boxes • Radio buttons • Checkboxes • Frames William H. Bowers

  7. Four Basic Flavors • Imperative • Selection • Entry • Display William H. Bowers

  8. Imperative Gizmos • Verbs or actions • Menu items are imperative gizmos • Push buttons • Hotspots • Use ToolTips to explain functionality William H. Bowers

  9. Selection Gizmos • Nouns or objects • No action associated with selection gizmo • List box • Check box • Toggle buttons • Should buttons indicate the current state? William H. Bowers

  10. Selection Gizmos • Mutually exclusive buttons • Combination dropdown and button • List boxes (aka pick lists) • Single or multiple selection • Drag and drop between list boxes • Avoid horizontal scrolling William H. Bowers

  11. Selection Gizmos • Hierarchical list view • Combo box • Select from list • Enter text • Single selection only William H. Bowers

  12. Questions & Discussion William H. Bowers

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