# GetBool

> Returns the value corresponding to key in the preference file if it exists.

## Definition

* **Type:** Method
* **Namespace:** [UnityEditor](/engine/6000.0/script-reference/unityeditor.md)
* **Assembly:** UnityEditor

## GetBool(string, bool)

Returns the value corresponding to key in the preference file if it exists.

```csharp
public static bool GetBool(string key, bool defaultValue)
```

### Parameters

**** (\[string]\(https\://learn.microsoft.com/dotnet/api/system.string)): **** (\[bool]\(https\://learn.microsoft.com/dotnet/api/system.boolean)): 

### Returns

| Type                                                          | Description |
| ------------------------------------------------------------- | ----------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) |             |

### Remarks

If it doesn't exist, it will return defaultValue.

![EditorPrefsBool (GetBool)](/api/media?file=/engine/6000.0/media/images/EditorPrefsBool.png)

*Round rotations/positions and remember the active option.*

### Examples

```csharp
using UnityEngine;
using UnityEditor;

public class EditorPrefsBoolExample : EditorWindow
{
    bool showRoundPosition = true;
    bool showRoundRotation = true;

    [MenuItem("Examples/Round positions-rotations")]
    static void Init()
    {
        EditorPrefsBoolExample window = (EditorPrefsBoolExample)EditorWindow.GetWindow(typeof(EditorPrefsBoolExample), true, "My Empty Window");
        window.Show();
    }

    void OnGUI()
    {
        showRoundPosition = EditorGUILayout.BeginToggleGroup("Round Position", showRoundPosition);
        if (GUILayout.Button("Round Position!"))
            DoRoundPosition();
        EditorGUILayout.EndToggleGroup();
        showRoundRotation = EditorGUILayout.BeginToggleGroup("Round Rotation", showRoundRotation);
        if (GUILayout.Button("Round Rotation!"))
            DoRoundRotation();
        EditorGUILayout.EndToggleGroup();
    }

    void DoRoundPosition()
    {
        foreach (Transform t in Selection.transforms)
            t.localPosition = new Vector3(Mathf.Round(t.localPosition.x),
                Mathf.Round(t.localPosition.z),
                Mathf.Round(t.localPosition.y));
    }

    void DoRoundRotation()
    {
        foreach (Transform t in Selection.transforms)
            t.rotation = Quaternion.Euler(
                new Vector3(Mathf.Round(t.eulerAngles.x / 45f) * 45f,
                    Mathf.Round(t.eulerAngles.y / 45f) * 45f,
                    Mathf.Round(t.eulerAngles.z / 45f) * 45f));
    }

    void OnFocus()
    {
        if (EditorPrefs.HasKey("ShowRoundPosition"))
            showRoundPosition = EditorPrefs.GetBool("ShowRoundPosition");
        if (EditorPrefs.HasKey("ShowRoundRotation"))
            showRoundPosition = EditorPrefs.GetBool("ShowRoundRotation");
    }

    void OnLostFocus()
    {
        EditorPrefs.SetBool("ShowRoundPosition", showRoundPosition);
        EditorPrefs.SetBool("ShowRoundRotation", showRoundRotation);
    }

    void OnDestroy()
    {
        EditorPrefs.SetBool("ShowRoundPosition", showRoundPosition);
        EditorPrefs.SetBool("ShowRoundRotation", showRoundRotation);
    }
}
```

## GetBool(string)

Returns the value corresponding to key in the preference file if it exists.

```csharp
public static bool GetBool(string key)
```

### Parameters

**** (\[string]\(https\://learn.microsoft.com/dotnet/api/system.string)): 

### Returns

| Type                                                          | Description |
| ------------------------------------------------------------- | ----------- |
| [bool](https://learn.microsoft.com/dotnet/api/system.boolean) |             |

### Remarks

If it doesn't exist, it will return defaultValue.

![EditorPrefsBool (GetBool)](/api/media?file=/engine/6000.0/media/images/EditorPrefsBool.png)

*Round rotations/positions and remember the active option.*

### Examples

```csharp
using UnityEngine;
using UnityEditor;

public class EditorPrefsBoolExample : EditorWindow
{
    bool showRoundPosition = true;
    bool showRoundRotation = true;

    [MenuItem("Examples/Round positions-rotations")]
    static void Init()
    {
        EditorPrefsBoolExample window = (EditorPrefsBoolExample)EditorWindow.GetWindow(typeof(EditorPrefsBoolExample), true, "My Empty Window");
        window.Show();
    }

    void OnGUI()
    {
        showRoundPosition = EditorGUILayout.BeginToggleGroup("Round Position", showRoundPosition);
        if (GUILayout.Button("Round Position!"))
            DoRoundPosition();
        EditorGUILayout.EndToggleGroup();
        showRoundRotation = EditorGUILayout.BeginToggleGroup("Round Rotation", showRoundRotation);
        if (GUILayout.Button("Round Rotation!"))
            DoRoundRotation();
        EditorGUILayout.EndToggleGroup();
    }

    void DoRoundPosition()
    {
        foreach (Transform t in Selection.transforms)
            t.localPosition = new Vector3(Mathf.Round(t.localPosition.x),
                Mathf.Round(t.localPosition.z),
                Mathf.Round(t.localPosition.y));
    }

    void DoRoundRotation()
    {
        foreach (Transform t in Selection.transforms)
            t.rotation = Quaternion.Euler(
                new Vector3(Mathf.Round(t.eulerAngles.x / 45f) * 45f,
                    Mathf.Round(t.eulerAngles.y / 45f) * 45f,
                    Mathf.Round(t.eulerAngles.z / 45f) * 45f));
    }

    void OnFocus()
    {
        if (EditorPrefs.HasKey("ShowRoundPosition"))
            showRoundPosition = EditorPrefs.GetBool("ShowRoundPosition");
        if (EditorPrefs.HasKey("ShowRoundRotation"))
            showRoundPosition = EditorPrefs.GetBool("ShowRoundRotation");
    }

    void OnLostFocus()
    {
        EditorPrefs.SetBool("ShowRoundPosition", showRoundPosition);
        EditorPrefs.SetBool("ShowRoundRotation", showRoundRotation);
    }

    void OnDestroy()
    {
        EditorPrefs.SetBool("ShowRoundPosition", showRoundPosition);
        EditorPrefs.SetBool("ShowRoundRotation", showRoundRotation);
    }
}
```