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| 1 | +namespace RS.GitSubDirectoryDownloader |
| 2 | +{ |
| 3 | + /// <summary> |
| 4 | + /// Control安全访问扩展方法 |
| 5 | + /// 解决跨线程访问WinForm控件问题 |
| 6 | + /// </summary> |
| 7 | + public static class ControlExtensions |
| 8 | + { |
| 9 | + /// <summary> |
| 10 | + /// 线程安全地执行操作 |
| 11 | + /// </summary> |
| 12 | + /// <param name="control">控件</param> |
| 13 | + /// <param name="action">要执行的操作</param> |
| 14 | + public static void SafeInvoke(this Control control, Action action) |
| 15 | + { |
| 16 | + if (control == null) return; |
| 17 | + |
| 18 | + if (control.InvokeRequired) |
| 19 | + { |
| 20 | + control.Invoke(action); |
| 21 | + } |
| 22 | + else |
| 23 | + { |
| 24 | + action(); |
| 25 | + } |
| 26 | + } |
| 27 | + |
| 28 | + /// <summary> |
| 29 | + /// 线程安全地获取控件属性值 |
| 30 | + /// </summary> |
| 31 | + /// <typeparam name="T">返回类型</typeparam> |
| 32 | + /// <param name="control">控件</param> |
| 33 | + /// <param name="func">获取值的函数</param> |
| 34 | + /// <returns>属性值</returns> |
| 35 | + public static T SafeGet<T>(this Control control, Func<T> func) |
| 36 | + { |
| 37 | + if (control == null) return default!; |
| 38 | + |
| 39 | + if (control.InvokeRequired) |
| 40 | + { |
| 41 | + return (T)control.Invoke(func); |
| 42 | + } |
| 43 | + return func(); |
| 44 | + } |
| 45 | + |
| 46 | + /// <summary> |
| 47 | + /// 线程安全地设置文本 |
| 48 | + /// </summary> |
| 49 | + public static void SafeSetText(this TextBox textBox, string text) |
| 50 | + { |
| 51 | + textBox.SafeInvoke(() => textBox.Text = text); |
| 52 | + } |
| 53 | + |
| 54 | + /// <summary> |
| 55 | + /// 线程安全地获取文本 |
| 56 | + /// </summary> |
| 57 | + public static string SafeGetText(this TextBox textBox) |
| 58 | + { |
| 59 | + return textBox.SafeGet(() => textBox.Text); |
| 60 | + } |
| 61 | + |
| 62 | + /// <summary> |
| 63 | + /// 线程安全地设置标签文本 |
| 64 | + /// </summary> |
| 65 | + public static void SafeSetText(this Label label, string text) |
| 66 | + { |
| 67 | + label.SafeInvoke(() => label.Text = text); |
| 68 | + } |
| 69 | + |
| 70 | + /// <summary> |
| 71 | + /// 线程安全地设置进度条值 |
| 72 | + /// </summary> |
| 73 | + public static void SafeSetValue(this ProgressBar progressBar, int value) |
| 74 | + { |
| 75 | + progressBar.SafeInvoke(() => progressBar.Value = value); |
| 76 | + } |
| 77 | + |
| 78 | + /// <summary |
| 79 | + /// 线程安全地设置进度条最大值 |
| 80 | + /// </summary> |
| 81 | + public static void SafeSetMaximum(this ProgressBar progressBar, int maximum) |
| 82 | + { |
| 83 | + progressBar.SafeInvoke(() => progressBar.Maximum = maximum); |
| 84 | + } |
| 85 | + |
| 86 | + /// <summary> |
| 87 | + /// 线程安全地设置按钮文本 |
| 88 | + /// </summary> |
| 89 | + public static void SafeSetText(this Button button, string text) |
| 90 | + { |
| 91 | + button.SafeInvoke(() => button.Text = text); |
| 92 | + } |
| 93 | + |
| 94 | + /// <summary> |
| 95 | + /// 线程安全地设置按钮背景色 |
| 96 | + /// </summary> |
| 97 | + public static void SafeSetBackColor(this Button button, Color color) |
| 98 | + { |
| 99 | + button.SafeInvoke(() => button.BackColor = color); |
| 100 | + } |
| 101 | + |
| 102 | + /// <summary> |
| 103 | + /// 线程安全地获取ComboBox文本 |
| 104 | + /// </summary> |
| 105 | + public static string SafeGetText(this ComboBox comboBox) |
| 106 | + { |
| 107 | + return comboBox.SafeGet(() => comboBox.Text); |
| 108 | + } |
| 109 | + |
| 110 | + /// <summary> |
| 111 | + /// 线程安全地设置ComboBox文本 |
| 112 | + /// </summary> |
| 113 | + public static void SafeSetText(this ComboBox comboBox, string text) |
| 114 | + { |
| 115 | + comboBox.SafeInvoke(() => comboBox.Text = text); |
| 116 | + } |
| 117 | + } |
| 118 | +} |
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