# `ClickTolerance`

*Global Variable*

## Declaration

```swift
var ClickTolerance: CGFloat
```

```objc
extern CGFloat ClickTolerance;
```

```python
ClickTolerance: float
```

## Discussion

GlyphsToolDraw: The protocol defining the tool draw plugin protocol \ingroup common The protocol defining the tool draw plugin protocol. Some tool have its own drawing routines. If so, you need to conform to this protocol. If not the last active “drawing” tool will be used. \sa GlyphsToolEvent