Create getPickRange getSnapRange isSnapModeEnabled processKeyBoard processMouseClick processMouseMove setPickRange setSnapMode setSnapRange ~ISnapper

isSnapModeEnabled() virtual bool isSnapModeEnabled ( SnapMode  mode ) const pure virtual 查询指定捕捉模式是否已启用 查询指定捕捉模式是否已启用 参数 [mode] 要查询的捕捉模式（如端点、中点）