（六⼗七）c#Winform⾃定义控件-柱状图前提 ⼊⾏已经7,8年了，⼀直想做⼀套漂亮点的⾃定义控件，于是就有了本系列⽂章。
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NuGet
Install-Package HZH_Controls
⽬录
⽤处及效果
agps是什么意思
调⽤⽰例
1 this.ucBarChart1.SetDataSource(new double[] { random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100) });
2 this.ucBarChart2.SetDataSource(new double[] { random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100) }, new string[] { "张三", "李四", "王五", "赵六", "⽥七" });
3 this.ucBarChart3.SetDataSource(new double[] { random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100) }, new string[] { "张三", "李四", "王五", "赵六", "⽥七" });
4
5 this.ucBarChart4.SetDataSource(new double[] { random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100) }, new string[] { "张三", "李四", "王五", "赵六", "⽥七" });
6 this.ucBarChart4.AddAuxiliaryLine(60, Color.Red, "及格线超长占位符");
7
8 this.ucBarChart5.SetDataSource(new double[] { random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100), random.Next(50, 100) }, new string[] { "张三", "
李四", "王五", "赵六", "⽥七" });
一机双号9 this.ucBarChart5.AddAuxiliaryLine(50, Color.Black, "及格线");
10
11
12 var ds = new double[5][];
13 for (int i = 0; i < ds.Length; i++)
14 {
15 ds[i] = new double[] { random.Next(50, 100), random.Next(50, 100), random.Next(50, 100) };
16 }
17 this.ucBarChart6.BarChartItems = new HZH_Controls.Controls.BarChartItem[] { new HZH_Controls.Controls.BarChartItem(Color.Red, "语⽂"), new HZH_Controls.Controls.BarChartItem(
Color.Blue, "英语"), new HZH_Controls.Controls.BarChartItem(Color.Orange, "数学") };
18 this.ucBarChart6.SetDataSource(ds, new string[] { "张三", "李四", "王五", "赵六", "⽥七" });
19 this.ucBarChart6.AddAuxiliaryLine(60, Color.Black);
20
21 var ds2 = new List<double[]>();脉冲氙灯
22 for (int i = 0; i < 20; i++)
23 {
24 ds2.Add(new double[] { random.Next(800, 2000), random.Next(100, 200) });
25 }
26 var titles = new List<string>();
27 double dblSum = ds2.Sum(p=>p[0]);
28 for (int i = 0; i < ds2.Count; i++)
29 {
30 titles.Add("员⼯" + (i + 1) + "\n" + (ds2[i][0] / dblSum).ToString("0.0%"));
31 }
32 this.ucBarChart7.BarChartItems = new HZH_Controls.Controls.BarChartItem[] { new HZH_Controls.Controls.BarChartItem(Color.Green, "合格"), new HZH_Controls.Controls.BarChartItem(Color.Red, "次品") };
33 this.ucBarChart7.SetDataSource(ds2.ToArray(), titles.ToArray());
34 this.ucBarChart7.AddAuxiliaryLine(1000, Color.Black, "标准线");
准备⼯作
GDI画图，不懂可以先百度⼀下
另外⽤到了 不知道的可以先前往看⼀下
开始
我们先理⼀下思路，
我们需要值，x轴，y轴，辅助线，项列表，标题，以及⼀些颜⾊等
血浆分离器添加⼀个类UCBarChart ，继承UCControlBase 添加⼀些控制属性
1 /// <summary>
7 /// The value maximum left
8 /// </summary>
9 private int value_max_left = -1;
10
11 /// <summary>
12 /// The value minimum left
13 /// </summary>
14 private int value_min_left = 0;
15
16 /// <summary>
17 /// The value segment
太赫兹时域光谱18 /// </summary>
19 private int value_Segment = 5;
20
21 /// <summary>
22 /// The data values
23 /// </summary>
24 private double[][] data_values = null;
25
26 /// <summary>
27 /// The data texts
28 /// </summary>
29 private string[] data_texts = null;
30
31 / <summary>
32 / The data colors
33 / </summary>
34 //private Color[] data_colors = null;
35
36 /// <summary>
37 /// The brush deep
38 /// </summary>
39 private Brush brush_deep = null;
40
41 /// <summary>
42 /// The pen normal
43 /// </summary>
44 private Pen pen_normal = null;
45
46 /// <summary>
47 /// The pen dash
48 /// </summary>
49 private Pen pen_dash = null;
50
51 /// <summary>
52 /// The bar back color
53 /// </summary>
54 //private Color barBackColor = Color.FromArgb(255, 77, 59);
55
56 /// <summary>
57 /// The use gradient
58 /// </summary>
59 private bool useGradient = false;
60
61 /// <summary>
62 /// The color deep
63 /// </summary>
64 private Color color_deep = Color.FromArgb(150, 255, 77, 59);
65
66 /// <summary>
72 /// The format left
73 /// </summary>
74 private StringFormat format_left = null;
75
76 /// <summary>
77 /// The format right
78 /// </summary>
79 private StringFormat format_right = null;
80
81 /// <summary>
82 /// The format center
83 /// </summary>
84 private StringFormat format_center = null;
85
86 /// <summary>
87 /// The value is render dash line
88 /// </summary>
89 private bool value_IsRenderDashLine = true;
90
91 /// <summary>
92 /// The is show bar value
93 /// </summary>
94 private bool isShowBarValue = true;
95
96 /// <summary>
97 /// The show bar value format
98 /// </summary>
99 private string showBarValueFormat = "{0}";
100
101 /// <summary>
102 /// The value title
103 /// </summary>
104 private string value_title = "";
105
106 /// <summary>
107 /// The bar percent width
108 /// </summary>
109 private float barPercentWidth = 0.9f;
110
111 /// <summary>
112 /// The components
113 /// </summary>
114 private IContainer components = null;
115
116 /// <summary>
118 /// </summary>
119 /// <value>The color of the back.</value>
120 /// <PermissionSet>
121 /// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
122 /// </PermissionSet>
123 [Browsable(true)]
124 [Description("获取或设置控件的背景⾊")]
125 [Category("⾃定义")]
126 [DefaultValue(typeof(Color), "Transparent")]
127 [EditorBrowsable(EditorBrowsableState.Always)]
128 public override Color BackColor
129 {
130 get
134 set
135 {
136 base.BackColor = value;
137 }
138 }
139
140 /// <summary>
141 /// Gets or sets the text.
142 /// </summary>
143 /// <value>The text.</value>
144 [Browsable(true)]
145 [Description("获取或设置当前控件的⽂本")]
146 [Category("⾃定义")]
147 [EditorBrowsable(EditorBrowsableState.Always)]
148 [Bindable(true)]
149 [DesignerSerializationVisibility(DesignerSerializationVisibility.Visible)]
150 public override string Text
151 {
152 get
153 {
154 return base.Text;
155 }
156 set
157 {
158 base.Text = value;
159 Invalidate();
160 }
161 }
162
163 /// <summary>
164 /// 获取或设置控件的前景⾊。
165 /// </summary>
166 /// <value>The color of the fore.</value>
167 /// <PermissionSet>
168 /// <IPermission class="System.Security.Permissions.FileIOPermission, mscorlib, Version=2.0.3600.0, Culture=neutral, PublicKeyToken=b77a5c561934e089" version="1" Unrestricted="true" />
169 /// </PermissionSet>
170 [Browsable(true)]
171 [Description("获取或设置控件的前景⾊")]
埃及开始拓宽苏伊士运河
172 [Category("⾃定义")]
173 [EditorBrowsable(EditorBrowsableState.Always)]
174 public override Color ForeColor
175 {
176 get
177 {
178 return base.ForeColor;
179 }
180 set
181 {
182 base.ForeColor = value;
183 }
184 }
185
186 /// <summary>
187 /// Gets or sets the color lines and text.
188 /// </summary>
189 /// <value>The color lines and text.</value>
190 [Category("⾃定义")]
191 [Description("获取或设置坐标轴及相关信息⽂本的颜⾊")]
192 [Browsable(true)]
193 [DefaultValue(typeof(Color), "DimGray")]
194 public Color ColorLinesAndText
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