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t;summary>
74 /// 获取或设置大小，该大小是 <see cref="M:System.Windows.Forms.Control.GetPreferredSize(System.Drawing.Size)" /> 可以指定的下限。
75 /// </summary>
76 /// <value>The minimum size.</value>
77 [Localizable(true)]
78 public override Size MinimumSize
79 {
80 get
81 {
82 return base.MinimumSize;
83 }
84 set
85 {
86 base.MinimumSize = value;
87 ResetMaxSize();
88 }
89 }
90
91
92 /// <summary>
93 /// 获取或设置大小，该大小是 <see cref="M:System.Windows.Forms.Control.GetPreferredSize(System.Drawing.Size)" /> 可以指定的上限。
94 /// </summary>
95 /// <value>The maximum size.</value>
96 [Localizable(true)]
97 public override Size MaximumSize
98 {
99 get
100 {
101 return base.MaximumSize;
102 }
103 set
104 {
105 base.MaximumSize = value;
106 ResetMaxSize();
107 }
108 }
109 /// <summary>
110 /// 获取或设置一个值，该值指示是否自动调整控件的大小以完整显示其内容。
111 /// </summary>
112 /// <value><c>true</c> if [automatic size]; otherwise, <c>false</c>.</value>
113 /// <PermissionSet>
114 /// <IPermission class="System.Security.Permissions.EnvironmentPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
115 /// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
116 /// <IPermission class="System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Flags="UnmanagedCode, ControlEvidence" />
117 /// <IPermission class="System.Diagnostics.PerformanceCounterPermission, System, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
118 /// </PermissionSet>
119 [EditorBrowsable(EditorBrowsableState.Never), Browsable(false)]
120 public override bool AutoSize
121 {
122 get
123 {
124 return base.AutoSize;
125 }
126 set
127 {
128 base.AutoSize = value;
129 }
130 }
131
132
133 /// <summary>
134 /// The line color
135 /// </summary>
136 private Color lineColor = LineColors.Light;
137
138 /// <summary>
139 /// Gets or sets the color of the line.
140 /// </summary>
141 /// <value>The color of the line.</value>
142 public Color LineColor
143 {
144 get { return lineColor; }
145 set
146 {
147 lineColor = value;
148 Invalidate();
149 }
150 }
151
152 /// <summary>
153 /// Resets the maximum size.
154 /// </summary>
155 private void ResetMaxSize()
156 {
157 using (var g = this.CreateGraphics())
158 {
159 var _width = Width;
160 var size = g.MeasureString(string.IsNullOrEmpty(Text) ? "A" : Text, Font);
161 if (MinimumSize.Height != (int)size.Height)
162 MinimumSize = new Size(base.MinimumSize.Width, (int)size.Height);
163 if (MaximumSize.Height != (int)size.Height)
164 MaximumSize = new Size(base.MaximumSize.Width, (int)size.H |