صفحة 146 - كتاب التقنية الرقمية - الصف 12 - الفصل 1 - المملكة العربية السعودية

Blocks Built-in Control Logic Math Text Lists Dictionaries Colors Variables Procedures Screen1 Tips Foods Any component Rename Delete

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Blocks Built-in Control Logic Math Text Lists Dictionaries Colors Variables Procedures Screen1 Tips Foods Any component Rename Delete

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وزارة التعليم Ministry of Education 2025 - 1447

146

Blocks Built-in Control Logic Math Text Lists Dictionaries Colors Variables Procedures Screen1 Tips Foods Any component Rename Delete Viewer Blocks Built-in Control Logic Math Text Lists Dictionaries Colors Variables Procedures Screen1 Tips Foods Any component Rename Delete Viewer وزارة التعليم Ministry of Education 2025 - 1447 146 --- VISUAL CONTEXT --- **DIAGRAM**: Visual Programming Blocks Example 1 Description: A visual programming block diagram demonstrating event handling and property setting for a 'Foods' component. It includes a 'when Tips.Click' event block for screen navigation, an 'initialize global Foods' block to create a list of food categories, an 'initialize global selection' block, and a 'when Foods.BeforePicking' event block. Several 'set Foods' property blocks are partially visible, including one highlighted by a numbered circle '3'. Context: Illustrates how to define global variables, create lists, handle user interface events (like button clicks and list picking), and set component properties in a visual programming environment. **DIAGRAM**: Visual Programming Blocks Example 2 Description: A visual programming block diagram demonstrating variable initialization and list selection handling. It includes blocks for initializing global and local variables, a 'when Tips.Click' event for screen navigation, an 'initialize global Foods' block with a list of food categories, an 'initialize global selection' block, and a 'when Foods.BeforePicking' event block that sets 'Foods.Elements' to 'global Foods' and 'global selection'. Numbered circles '4', '5', and '6' highlight specific blocks and a category in the Blocks panel. Context: Demonstrates the use of global and local variables, list creation, event handling for screen navigation and list picking, and how to dynamically update UI elements based on user selection.