WinForm磁性窗体吸附边缘
1 #region 磁性窗体
2
3 public class MagneticManager
4 {
5 public class ChildFormInfo
6 {
7 public Form Child { get; set; }
8 public MagneticLocation Location { get; set; }
9 public MagneticState State { get; set; }
10 public bool CutstomSetLocation { get; set; }
11 }
12
13 public int Step { get; set; }
14
15 private Form m_mainForm = null;
16 private List m_childs = new List();
17
18 public MagneticManager(Form form)
19 {
20 m_mainForm = form;
21 form.LocationChanged += MainForm_LocationChanged;
22 form.SizeChanged += MainForm_SizeChanged;
23 form.FormClosed += MainForm_FormClosed;
24 Step = 20;
25 }
26
27 public void addChild(Form childForm, MagneticLocation loc)
28 {
29 foreach (ChildFormInfo info in m_childs)
30 {
31 if (info.Child == childForm)
32 {
33 return;
34 }
35 }
36
37 ChildFormInfo childInfo = new ChildFormInfo();
38 childInfo.Child = childForm;
39 childInfo.Location = loc;
40 childInfo.State = MagneticState.Adsorbent;
41 childInfo.CutstomSetLocation = false;
42 childForm.LocationChanged += ChildForm_LocationChanged;
43 childForm.SizeChanged += ChildForm_SizeChanged;
44 childForm.FormClosed += ChildForm_FormClosed;
45
46 m_childs.Add(childInfo);
47 adsorbentChild(childInfo);
48 }
49
50 private ChildFormInfo getInfo(Form form)
51 {
52 if (form == null)
53 {
54 return null;
55 }
56
57 foreach (ChildFormInfo info in m_childs)
58 {
59 if (info.Child == form)
60 {
61 return info;
62 }
63 }
64
65 return null;
66 }
67
68 private Point getLocation(ChildFormInfo info)
69 {
70 Point pos = Point.Empty;
71
72 switch (info.Location)
73 {
74 case MagneticLocation.Left:
75 pos = new Point(m_mainForm.Left - info.Child.Width + 14, m_mainForm.Top);
76 break;
77 case MagneticLocation.Right:
78 pos = new Point(m_mainForm.Right - 14, m_mainForm.Top);
79 break;
80 case MagneticLocation.Top:
81 pos = new Point(m_mainForm.Left, m_mainForm.Top - info.Child.Height);
82 break;
83 case MagneticLocation.Bottom:
84 pos = new Point(m_mainForm.Left, m_mainForm.Bottom);
85 break;
86 default:
87 break;
88 }
89
90 return pos;
91 }
92
93 private void setChildLocation(ChildFormInfo info, Point location)
94 {
95 if (info.Child == null)
96 {
97 return;
98 }
99
100 info.CutstomSetLocation = true;
101 info.Child.Location = location;
102 info.CutstomSetLocation = false;
103 }
104
105 private void setChildLocation(ChildFormInfo info, int x, int y)
106 {
107 setChildLocation(info, new Point(x, y));
108 }
109
110 private void resetChildLocation(ChildFormInfo info)
111 {
112 if (info.Child == null)
113 {
114 return;
115 }
116
117 Point pos = getLocation(info);
118 setChildLocation(info, pos);
119 }
120
121 private void adsorbentChild(ChildFormInfo info)
122 {
123 info.State = MagneticState.Adsorbent;
124 resetChildLocation(info);
125 }
126
127 private void separationChild(ChildFormInfo info)
128 {
129 info.State = MagneticState.Separation;
130 }
131
132 private void MainForm_LocationChanged(object sender, EventArgs e)
133 {
134 foreach (ChildFormInfo info in m_childs)
135 {
136 if (info.State == MagneticState.Adsorbent)
137 {
138 resetChildLocation(info);
139 }
140 }
141 }
142
143 private void MainForm_SizeChanged(object sender, EventArgs e)
144 {
145 foreach (ChildFormInfo info in m_childs)
146 {
147 if (info.State == MagneticState.Adsorbent)
148 {
149 resetChildLocation(info);
150 }
151 }
152 }
153
154 private void MainForm_FormClosed(object sender, EventArgs e)
155 {
156 }
157
158 private void ChildForm_LocationChanged(object sender, EventArgs e)
159 {
160 ChildFormInfo info = getInfo(sender as Form);
161
162 if (info == null)
163 {
164 return;
165 }
166
167 if (info.CutstomSetLocation == true)
168 {
169 return;
170 }
171
172 Point location = getLocation(info);
173
174 if (info.Child.Left > location.X && info.Location == MagneticLocation.Right)
175 {
176 if (info.Child.Left - location.X > Step)
177 {
178 separationChild(info);
179 }
180 else
181 {
182 adsorbentChild(info);
183 }
184 }
185 else if (info.Child.Left < location.X && info.Location == MagneticLocation.Left)
186 {
187 if (info.Child.Left - location.X < -Step)
188 {
189 separationChild(info);
190 }
191 else
192 {
193 adsorbentChild(info);
194 }
195 }
196 if (info.Child.Top > location.Y && info.Location == MagneticLocation.Bottom)
197 {
198 if (info.Child.Top - location.Y > Step)
199 {
200 separationChild(info);
201 }
202 else
203 {
204 adsorbentChild(info);
205 }
206 }
207 else if (info.Child.Top < location.Y && info.Location == MagneticLocation.Top)
208 {
209 if (info.Child.Top - location.Y < -Step)
210 {
211 separationChild(info);
212 }
213 else
214 {
215 adsorbentChild(info);
216 }
217 }
218 }
219
220 private void ChildForm_SizeChanged(object sender, EventArgs e)
221 {
222 ChildFormInfo info = getInfo(sender as Form);
223
224 if (info != null && info.State == MagneticState.Adsorbent)
225 {
226 resetChildLocation(info);
227 }
228 }
229
230 private void ChildForm_FormClosed(object sender, EventArgs e)
231 {
232 ChildFormInfo info = getInfo(sender as Form);
233
234 if (info != null)
235 {
236 m_childs.Remove(info);
237 }
238 }
239 }
240
241 #endregion
View Code
窗体标题居中代码 （如果设置无窗体边框则用不到这段）
1 private void SetTitleCenter()
2 {
3 string titleMsg = "Winfrom Title";
4 Graphics g = this.CreateGraphics();
5 Double startingPoint = (this.Width / 2) - (g.MeasureString(titleMsg, this.Font).Width / 2);
6 Double widthOfASpace = g.MeasureString(" ", this.Font).Width;
7 String tmp = " ";
8 Double tmpWidth = 0;
9
10 while ((tmpWidth + widthOfASpace) < startingPoint)
11 {
12 tmp += " ";
13 tmpWidth += widthOfASpace;
14 }
15 this.Text = tmp + titleMsg;
16 }
17
View Code
自带控件ChartToolTips 属性
1 Series.ToolTip = "Y：#VALY";
2 //#VALX //x轴数据
3 //#VALY //y轴数据
4 //#PERCENT //百分比
5 //#AVG //平均值
6 //#INDEX //索引值
7 //#MAX //最大值
8 //#MIN //最小值
9 //#TOTAL //合计
10 //#LEGENDTEXT //显示Legend的text
11 //#SER //显示Series名称
12
13
14
15 private void Chart1_GetToolTipText(object sender, ToolTipEventArgs e)
16 {
17 // Check selected chart element and set tooltip text
18 switch (e.HitTestResult.ChartElementType)
19 {
20 case ChartElementType.Axis:
21 //e.Text = e.HitTestResult.Axis.Name;
22 break;
23 case ChartElementType.ScrollBarLargeDecrement:
24 //e.Text = "A scrollbar large decrement button";
25 break;
26 case ChartElementType.ScrollBarLargeIncrement:
27 //e.Text = "A scrollbar large increment button";
28 break;
29 case ChartElementType.ScrollBarSmallDecrement:
30 //e.Text = "A scrollbar small decrement button";
31 break;
32 case ChartElementType.ScrollBarSmallIncrement:
33 //e.Text = "A scrollbar small increment button";
34 break;
35 case ChartElementType.ScrollBarThumbTracker:
36 //e.Text = "A scrollbar tracking thumb";
37 break;
38 case ChartElementType.ScrollBarZoomReset:
39 //e.Text = "The ZoomReset button of a scrollbar";
40 break;
41 case ChartElementType.DataPoint:
42 int.TryParse(e.HitTestResult.Series.LegendText.Substring(2), out int ch_num);
43 if (ch_num != 110)
44 e.Text = "通道" + (cmbList[ch_num] as ComboBox).Text/*.Substring(2)*/ + " X轴 :" + (int)e.HitTestResult.Series.Points[e.HitTestResult.PointIndex].YValues[0] + "\r\n" + "与参考线差值(Δ):" + ((int)e.HitTestResult.Series.Points[e.HitTestResult.PointIndex].YValues[0] - (int)e.HitTestResult.ChartArea.CursorY.Position);
45 break;
46 case ChartElementType.Gridlines:
47 //e.Text = "网格线";
48 break;
49 case ChartElementType.LegendArea:
50 //e.Text = "Legend Area";
51 break;
52 case ChartElementType.LegendItem:
53 //e.Text = "Legend Item";
54 break;
55 case ChartElementType.PlottingArea:
56 //e.Text = string.Format("X: {0}, Y: {1}", (int)e.HitTestResult.ChartArea.CursorX.Position, (int)e.HitTestResult.ChartArea.CursorY.Position);
57 break;
58 case ChartElementType.StripLines:
59 //e.Text = "Strip Lines";
60 break;
61 case ChartElementType.TickMarks:
62 //e.Text = "Tick Marks";
63 break;
64 case ChartElementType.Title:
65 //e.Text = "通道调试";
66 break;
67
68 }
69 }
View Code
Winform中窗体移动
1 #region 窗体移动
2 private Point mouseOff;//鼠标移动位置变量
3 private bool leftFlag;//标签是否为左键
4 private void FrmMain_MouseDown(object sender, MouseEventArgs e)
5 {
6 if (e.Button == MouseButtons.Left)
7 {
8 mouseOff = new Point(-e.X, -e.Y); //得到变量的值
9 leftFlag = true; //点击左键按下时标注为true;
10 }
11 }
12 private void FrmMain_MouseMove(object sender, MouseEventArgs e)
13 {
14 if (leftFlag)
15 {
16 Point mouseSet = Control.MousePosition;
17 mouseSet.Offset(mouseOff.X, mouseOff.Y); //设置移动后的位置
18 Location = mouseSet;
19 }
20 }
21 private void FrmMain_MouseUp(object sender, MouseEventArgs e)
22 {
23 if (leftFlag)
24 {
25 leftFlag = false;//释放鼠标后标注为false;
26 }
27 }
28 #endregion
View Code
判断鼠标在窗体外
1 #region 判断鼠标在窗体外
2
3
4 Point p1 = this.PointToClient(Control.MousePosition);//鼠标相对窗体的位置
5
6 if (p1.X > this.ClientSize.Width || p1.X < 0 || p1.Y > this.ClientSize.Height || p1.Y < 0)
7 {
8 //判断鼠标在窗体外
9 }
10
11
12 #endregion
View Code
实现Winform 里控件的拖动
1 #region window中拖拽控件
2
3
4 [DllImport("user32.dll", EntryPoint = "ReleaseCapture")]
5 public static extern void ReleaseCapture();
6 [DllImport("user32.dll", EntryPoint = "SendMessage")]
7 public static extern void SendMessage(int hwnd, int wMsg, int wParam, int lParam);
8
9 private void ActionServo1_MouseDown(object sender, MouseEventArgs e)
10 {
11 if (e.Button == MouseButtons.Left)
12 {
13 pictureBox1.BringToFront(); //将控件（控件名根据需要选择更改）置于顶层
14 ReleaseCapture();
15 SendMessage((int)pictureBox1.Handle, 0xA1, 2, 0);
16 //Console.WriteLine(ActionServo1.Location.X+"--"+ ActionServo1.Location.Y);
17 }
18 }
19 #endregion
View Code
控件大小随窗体大小等比例缩放
1 public Form1()
2 {
3 InitializeComponent();
4 x = this.Width;
5 y = this.Height;
6 setTag(this); //这里把代码添加到主窗体类中
7 }
8
9 #region 控件大小随窗体大小等比例缩放
10 private float x;//定义当前窗体的宽度
11 private float y;//定义当前窗体的高度
12 private void setTag(Control cons)
13 {
14 foreach (Control con in cons.Controls)
15 {
16 con.Tag = con.Width + ";" + con.Height + ";" + con.Left + ";" + con.Top + ";" + con.Font.Size;
17 if (con.Controls.Count > 0)
18 {
19 setTag(con);
20 }
21 }
22 }
23 private void setControls(float newx, float newy, Control cons)
24 {
25 //遍历窗体中的控件，重新设置控件的值
26 foreach (Control con in cons.Controls)
27 {
28 //获取控件的Tag属性值，并分割后存储字符串数组
29 if (con.Tag != null)
30 {
31 string[] mytag = con.Tag.ToString().Split(new char[] { ';' });
32 //根据窗体缩放的比例确定控件的值
33 con.Width = Convert.ToInt32(System.Convert.ToSingle(mytag[0]) * newx);//宽度
34 con.Height = Convert.ToInt32(System.Convert.ToSingle(mytag[1]) * newy);//高度
35 con.Left = Convert.ToInt32(System.Convert.ToSingle(mytag[2]) * newx);//左边距
36 con.Top = Convert.ToInt32(System.Convert.ToSingle(mytag[3]) * newy);//顶边距
37 Single currentSize = System.Convert.ToSingle(mytag[4]) * newy;//字体大小
38 con.Font = new Font(con.Font.Name, currentSize, con.Font.Style, con.Font.Unit);
39 if (con.Controls.Count > 0)
40 {
41 setControls(newx, newy, con);
42 }
43 }
44 }
45 }
46 private void Form1_Resize(object sender, EventArgs e)
47 {
48 float newx = (this.Width) / x;
49 float newy = (this.Height) / y;
50 setControls(newx, newy, this);
51 }
52
53 #endregion
View Code
无边框窗体实现窗体大小可调整
1 //定义一个枚举，表示拖动方向
2 public enum MouseDirection
3 {
4 Herizontal,//水平方向拖动，只改变窗体的宽度
5 Vertical,//垂直方向拖动，只改变窗体的高度
6 Declining,//倾斜方向，同时改变窗体的宽度和高度
7 None//不做标志，即不拖动窗体改变大小
8 }
9
10 #region 无边框窗体大小可调整
11 bool isMouseDown = false; //表示鼠标当前是否处于按下状态，初始值为否
12 MouseDirection direction = MouseDirection.None;//表示拖动的方向，起始为None，表示不拖动
13
14 private void CC_MouseDown(object sender, MouseEventArgs e)
15 {
16 //鼠标按下
17 isMouseDown = true;
18 }
19
20 private void CC_MouseUp(object sender, MouseEventArgs e)
21 {
22 // 鼠标弹起，
23
24 isMouseDown = false;
25 //既然鼠标弹起了，那么就不能再改变窗体尺寸，拖拽方向置 none
26 direction = MouseDirection.None;
27 }
28
29 private void WINDOW_MouseMove(object sender, MouseEventArgs e)
30 {
31 //鼠标移动过程中，坐标时刻在改变
32 //当鼠标移动时横坐标距离窗体右边缘5像素以内且纵坐标距离下边缘也在5像素以内时，要将光标变为倾斜的箭头形状，同时拖拽方向direction置为MouseDirection.Declining
33 if (e.Location.X >= this.Width - 5 && e.Location.Y > this.Height - 5)
34 {
35 this.Cursor = Cursors.SizeNWSE;
36 direction = MouseDirection.Declining;
37 }
38 //当鼠标移动时横坐标距离窗体右边缘5像素以内时，要将光标变为倾斜的箭头形状，同时拖拽方向direction置为MouseDirection.Herizontal
39 else if (e.Location.X >= this.Width - 5)
40 {
41 this.Cursor = Cursors.SizeWE;
42 direction = MouseDirection.Herizontal;
43 }
44 //同理当鼠标移动时纵坐标距离窗体下边缘5像素以内时，要将光标变为倾斜的箭头形状，同时拖拽方向direction置为MouseDirection.Vertical
45 else if (e.Location.Y >= this.Height - 5)
46 {
47 this.Cursor = Cursors.SizeNS;
48 direction = MouseDirection.Vertical;
49
50 }
51 //否则，以外的窗体区域，鼠标星座均为单向箭头（默认）
52 else
53 {
54 this.Cursor = Cursors.Arrow;
55 direction = MouseDirection.None;
56 }
57 //设定好方向后，调用下面方法，改变窗体大小
58 ResizeWindow();
59 }
60
61
62 private void ResizeWindow()
63 {
64 //这个判断很重要，只有在鼠标按下时才能拖拽改变窗体大小，如果不作判断，那么鼠标弹起和按下时，窗体都可以改变
65 if (!isMouseDown)
66 return;
67 //MousePosition的参考点是屏幕的左上角，表示鼠标当前相对于屏幕左上角的坐标this.left和this.top的参考点也是屏幕，属性MousePosition是该程序的重点
68 if (direction == MouseDirection.Declining)
69 {
70 //此行代码在mousemove事件中已经写过，在此再写一遍，并不多余，一定要写
71 this.Cursor = Cursors.SizeNWSE;
72 //下面是改变窗体宽和高的代码，不明白的可以仔细思考一下
73 this.Width = MousePosition.X - this.Left;
74 this.Height = MousePosition.Y - this.Top;
75 }
76 //以下同理
77 if (direction == MouseDirection.Herizontal)
78 {
79 this.Cursor = Cursors.SizeWE;
80 this.Width = MousePosition.X - this.Left;
81 }
82 else if (direction == MouseDirection.Vertical)
83 {
84 this.Cursor = Cursors.SizeNS;
85 this.Height = MousePosition.Y - this.Top;
86 }
87 //即使鼠标按下，但是不在窗口右和下边缘，那么也不能改变窗口大小
88 else
89 this.Cursor = Cursors.Arrow;
90 }
91 #endregion
92
93
View Code
控件Panel边框重画
1 private void panel3_Paint(object sender, PaintEventArgs e)
2 {
3 ControlPaint.DrawBorder(e.Graphics,
4 panel3.ClientRectangle,
5 ColorTranslator.FromHtml("#F2F2F2"),
6 2,
7 ButtonBorderStyle.Solid,
8 ColorTranslator.FromHtml("#F2F2F2"),
9 2,
10 ButtonBorderStyle.Solid,
11 ColorTranslator.FromHtml("#F2F2F2"),
12 2,
13 ButtonBorderStyle.Solid,
14 ColorTranslator.FromHtml("#F2F2F2"),
15 2,
16 ButtonBorderStyle.Solid);
17 }
View Code
更改datagridview表头标题颜色
1 //这个属性只能在代码中应用 属性列表中更改没效果 2 dataGridView1.EnableHeadersVisualStyles = false; 3 4 dataGridView1.EnableHeadersVisualStyles = false; 5 6 dataGridView1.ColumnHeadersDefaultCellStyle.BackColor = Color.Red; 7View Code
更改WPF/WINFORM窗体圆角
//窗体圆角 https://learn.microsoft.com/zh-cn/windows/apps/desktop/modernize/apply-rounded-corners标签：info,控件,C#,void,private,break,窗体,con From： https://www.cnblogs.com/noaheallen/p/17325303.html