Navigation: Tips and Tricks > Forms and Controls > Controls >
Trees
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Navigation: Tips and Tricks > Forms and Controls > Controls > Trees |
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This is a series that will take you from a simple tree to building a solid application using the Tree control as a controller. Trees are a fairly complex control to use, because you need to think about what the tree is actually doing and now the nodes are connected. Still, it is a lot easier in uniPaaS than in C++!
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What it is about |
The basics of using a Tree control. How to set up the Data Source and connect it to the Control. |
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How to create a TimeStamp() function that will be used later, and use it for the Node and Parent ID. |
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Initializing the Root. Shows how to have the Tree task create the root node if it doesn't exist yet. Uses Link Write and Task Prefix. |
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Creating the icon buttons used to control the Tree. Uses Models, Webdings, Global Events. |
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Create subtask to add a child node. Uses Internal events to refresh the task and move the cursor. |
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Here we learn how to clone our AddChild event handler to create a sibling node. |
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In this video you will learn how to make nodes in the tree move up or down in the tree when the user clicks a button. |
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In this video you will learn how to make the node move to the left or right. This involves detaching the node from the current parent and attaching it to a different one. |
Page url: http://www.magic-iug.com/MIUGWeb3/index.html?hm_trees.htm