blockly >blockRendering >抽屉式导航栏 >drawLeft_
blockRendering.Drawer.drawLeft_() 方法
为代码块左侧添加步骤，其中可能包括输出连接
Signature:
protected drawLeft_(): void;
返回：
void
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最后更新时间 (UTC)：2024-10-15。
[null,null,["最后更新时间 (UTC)：2024-10-15。"],[[["The `blockRendering.Drawer.drawLeft_()` method is responsible for rendering the left side of a block within the Blockly framework."],["This rendering process may include an output connection if the block is designed to have one."],["The method is classified as protected, indicating its intended use within the library's internal structure."],["Upon completion of its operations, the `drawLeft_()` method returns void, signifying that it doesn't directly produce a value."]]],[]]