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。
开源地址：
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欢迎前来交流探讨： 企鹅群568015492
目录
准备工作
这个窗体继承子基类窗体frmbase，如果你对frmbase还不了解，请移步 （十七）c#winform自定义控件-基类窗体 查看
开始
添加form，命名frmwithtitle，继承自frmbase
代码较少，直接全部代码
1 // 版权所有 黄正辉 交流群：568015492 qq：623128629
2 // 文件名称：frmwithtitle.cs
3 // 创建日期：2019-08-15 16:05:30
4 // 功能描述：frmwithtitle
5 // 项目地址：https://gitee.com/kwwwvagaa/net_winform_custom_control
6 using system;
7 using system.collections.generic;
8 using system.componentmodel;
9 using system.data;
10 using system.drawing;
11 using system.linq;
12 using system.text;
13 using system.windows.forms;
14
15 namespace hzh_controls.forms
16 {
17 [designer("system.windows.forms.design.parentcontroldesigner, system.design", typeof(system.componentmodel.design.idesigner))]
18 public partial class frmwithtitle : frmbase
19 {
20 [description("窗体标题"), category("自定义")]
21 public string title
22 {
23 get
24 {
25 return lbltitle.text;
26 }
27 set
28 {
29 lbltitle.text = value;
30 }
31 }
32 private bool _isshowclosebtn = false;
33 [description("是否显示右上角关闭按钮"), category("自定义")]
34 public bool isshowclosebtn
35 {
36 get
37 {
38 return _isshowclosebtn;
39 }
40 set
41 {
42 _isshowclosebtn = value;
43 btnclose.visible = value;
44 if (value)
45 {
46 btnclose.location = new point(this.width - btnclose.width - 10, 0);
47 btnclose.bringtofront();
48 }
49 }
50 }
51
52 public frmwithtitle()
53 {
54 initializecomponent();
55 }
56
57 private void btnclose_mousedown(object sender, mouseeventargs e)
58 {
59 this.close();
60 }
61
62 private void frmwithtitle_shown(object sender, eventargs e)
63 {
64 if (isshowclosebtn)
65 {
66 btnclose.location = new point(this.width - btnclose.width - 10, 0);
67 btnclose.bringtofront();
68 }
69 }
70
71 private void btnclose_mousedown_1(object sender, mouseeventargs e)
72 {
73 this.close();
74 }
75
76 private void frmwithtitle_visiblechanged(object sender, eventargs e)
77 {
78 }
79 }
80 }
1 namespace hzh_controls.forms
2 {
3 partial class frmwithtitle
4 {
5 /// <summary>
6 /// required designer variable.
7 /// </summary>
8 private system.componentmodel.icontainer components = null;
9
10 /// <summary>
11 /// clean up any resources being used.
12 /// </summary>
13 /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
14 protected override void dispose(bool disposing)
15 {
16 if (disposing && (components != null))
17 {
18 components.dispose();
19 }
20 base.dispose(disposing);
21 }
22
23 #region windows form designer generated code
24
25 /// <summary>
26 /// required method for designer support - do not modify
27 /// the contents of this method with the code editor.
28 /// </summary>
29 private void initializecomponent()
30 {
31 system.componentmodel.componentresourcemanager resources = new system.componentmodel.componentresourcemanager(typeof(frmwithtitle));
32 this.lbltitle = new system.windows.forms.label();
33 this.ucsplitline_h1 = new hzh_controls.controls.ucsplitline_h();
34 this.btnclose = new system.windows.forms.panel();
35 this.suspendlayout();
36 //
37 // lbltitle
38 //
39 this.lbltitle.backcolor = system.drawing.color.transparent;
40 this.lbltitle.dock = system.windows.forms.dockstyle.top;
41 this.lbltitle.font = new system.drawing.font("微软雅黑", 17f);
42 this.lbltitle.location = new system.drawing.point(0, 0);
43 this.lbltitle.name = "lbltitle";
44 this.lbltitle.size = new system.drawing.size(427, 60);
45 this.lbltitle.tabindex = 5;
46 this.lbltitle.text = "标题";
47 this.lbltitle.textalign = system.drawing.contentalignment.middlecenter;
48 //
49 // ucsplitline_h1
50 //
51 this.ucsplitline_h1.backcolor = system.drawing.color.fromargb(((int)(((byte)(238)))), ((int)(((byte)(238)))), ((int)(((byte)(238)))));
52 this.ucsplitline_h1.dock = system.windows.forms.dockstyle.top;
53 this.ucsplitline_h1.location = new system.drawing.point(0, 60);
54 this.ucsplitline_h1.name = "ucsplitline_h1";
55 this.ucsplitline_h1.size = new system.drawing.size(427, 1);
56 this.ucsplitline_h1.tabindex = 0;
57 this.ucsplitline_h1.tabstop = false;
58 //
59 // btnclose
60 //
61 this.btnclose.anchor = ((system.windows.forms.anchorstyles)((system.windows.forms.anchorstyles.top | system.windows.forms.anchorstyles.right)));
62 this.btnclose.backgroundimage = global::hzh_controls.properties.resources.dialog_close;
63 this.btnclose.backgroundimagelayout = system.windows.forms.imagelayout.zoom;
64 this.btnclose.location = new system.drawing.point(399, 0);
65 this.btnclose.maximumsize = new system.drawing.size(0, 60);
66 this.btnclose.name = "btnclose";
67 this.btnclose.size = new system.drawing.size(28, 60);
68 this.btnclose.tabindex = 6;
69 this.btnclose.visible = false;
70 this.btnclose.mousedown += new system.windows.forms.mouseeventhandler(this.btnclose_mousedown_1);
71 //
72 // frmwithtitle
73 //
74 this.autoscalemode = system.windows.forms.autoscalemode.none;
75 this.backcolor = system.drawing.color.white;
76 this.clientsize = new system.drawing.size(427, 310);
77 this.controls.add(this.btnclose);
78 this.controls.add(this.ucsplitline_h1);
79 this.controls.add(this.lbltitle);
80 this.icon = ((system.drawing.icon)(resources.getobject("$this.icon")));
81 this.isfullsize = false;
82 this.isshowmaskdialog = true;
83 this.isshowregion = true;
84 this.name = "frmwithtitle";
85 this.redraw = true;
86 this.showicon = false;
87 this.showintaskbar = false;
88 this.text = "frmwithtitle";
89 this.shown += new system.eventhandler(this.frmwithtitle_shown);
90 this.visiblechanged += new system.eventhandler(this.frmwithtitle_visiblechanged);
91 this.resumelayout(false);
92
93 }
94
95 #endregion
96
97 private system.windows.forms.label lbltitle;
98 private controls.ucsplitline_h ucsplitline_h1;
99 private system.windows.forms.panel btnclose;
100
101 }
102 }
用处及效果
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