C# 如何制作浮动控件
我想创建一个控件,使其浮动(可能)超出其包含表单的边界。这可能吗?我该怎么做C# 如何制作浮动控件,c#,.net,winforms,C#,.net,Winforms,我想创建一个控件,使其浮动(可能)超出其包含表单的边界。这可能吗?我该怎么做 这与上下文菜单的功能非常相似,只是我需要能够向其添加其他控件,如按钮和图像。它需要是一个单独的窗口(与上下文菜单的实际功能非常相似)——您可以将其包装为一个控件,以显示无模式窗体(如果您真的愿意,甚至可以选择非矩形窗口)。由于您可以从父窗体的不可见控件创建窗口,因此您可以维护对子窗体的引用以处理窗体间的通信。查看源代码并采用该技术。有可能,TopLevel属性控制此操作。但是,设计器不支持它们,很难控制l控制在设计时也
这与上下文菜单的功能非常相似,只是我需要能够向其添加其他控件,如按钮和图像。它需要是一个单独的窗口(与上下文菜单的实际功能非常相似)——您可以将其包装为一个控件,以显示无模式窗体(如果您真的愿意,甚至可以选择非矩形窗口)。由于您可以从父窗体的不可见控件创建窗口,因此您可以维护对子窗体的引用以处理窗体间的通信。查看源代码并采用该技术。有可能,TopLevel属性控制此操作。但是,设计器不支持它们,很难控制l控制在设计时也是顶级窗口的控件
除了ToolTip和ContextMenuStrip等组件之外,还有一个设计为顶级的类,即Form类。将其FormBorderStyle设置为None,将ControlBox设置为False,以创建一个基本的顶级窗口,您可以使用其他控件来填充该窗口。如果希望表单的FormBorderStyle设置为None,则希望表单的FormBorderStyle设置为None行为类似于上下文菜单,然后您需要将其显示绑定到主窗体中的相应事件处理程序。下面是设置位置并从鼠标单击事件处理程序调用show的简单示例
MyForm form = new MyForm();
form.Location = PointToScreen(new Point(e.X, e.Y));
form.Show();
让您的
UserControl
覆盖CreateParams
。例如:
[DllImport("user32.dll", EntryPoint = "GetDesktopWindow")]
public static extern IntPtr GetDesktopWindow();
protected override CreateParams CreateParams
{
get
{
var cp = base.CreateParams;
cp.ExStyle &= 0x00080000; // WS_EX_LAYERED
cp.Style = 0x40000000 | 0x4000000; // WS_CHILD | WS_CLIPSIBLINGS
cp.Parent = GetDesktopWindow();
return cp;
}
}
这可能会产生意想不到的效果(包括与Designer的配合不好)。我选择遵循上述模式之一,但我认为值得在此提及。查找CreateParams
,查看其用途。(此选项是从中收集的。)这对我很有效
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.ComponentModel;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
using System.Windows.Forms;
using LollipopUIControls.UIManagers;
namespace Gamasis.Apps.Controls
{
public class FloatingButton : Button
{
public FloatingButton()
{
SetStyle((ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw | ControlStyles.SupportsTransparentBackColor | ControlStyles.UserPaint), true);
DoubleBuffered = true;
Size = new Size(50, 50);
BackColor = Color.Transparent;
SF.Alignment = StringAlignment.Center;
SF.LineAlignment = StringAlignment.Center;
AnimationTimer.Tick += new EventHandler(AnimationTick);
}
#region Variables
Timer AnimationTimer = new Timer { Interval = 1 };
FontManager font = new FontManager();
StringFormat SF = new StringFormat();
Rectangle StringRectangle;
bool Focus = false;
int margintop = 0, marginleft = 0, marginright = 0, marginBottom = 0;
int xx;
int yy;
float SizeAnimation = 0;
float SizeIncNum;
string fontcolor = "#FAFAFA";
string Backcolor = "#039BE5";
Color EnabledBGColor;
Color EnabledBorderColor;
Color StringColor;
Color DisabledBGColor = ColorTranslator.FromHtml("#B0BEC5");
Color DisabledStringColor = ColorTranslator.FromHtml("#FAFAFA");
Color NonColor = ColorTranslator.FromHtml("#e3e5e7");
Image bGImage = null;
#endregion
#region Properties
[Category("Custom")]
public string BGColor
{
get { return Backcolor; }
set
{
Backcolor = value;
Invalidate();
}
}
[Category("Custom")]
public string FontColor
{
get { return fontcolor; }
set
{
fontcolor = value;
Invalidate();
}
}
[Browsable(false)]
public Font Font
{
get { return base.Font; }
set { base.Font = value; }
}
[Browsable(false)]
public Color ForeColor
{
get { return base.ForeColor; }
set { base.ForeColor = value; }
}
[Category("Custom")]
public Image BGImage
{
get { return bGImage; }
set { bGImage = value; }
}
ImageSizeLevel bGimgSize = ImageSizeLevel.peque2;
public ImageSizeLevel BGimgSize
{
get { return bGimgSize; }
set { bGimgSize = value; }
}
#endregion
#region Events
protected override void OnMouseEnter(EventArgs e)
{
base.OnMouseEnter(e);
EnabledBGColor = Color.FromArgb(30, ColorTranslator.FromHtml(BGColor));//StringColor);
EnabledBorderColor = Color.FromArgb(20, ColorTranslator.FromHtml(BGColor));//StringColor);
Refresh();
}
protected override void OnMouseLeave(EventArgs e)
{
base.OnMouseLeave(e);
EnabledBGColor = ColorTranslator.FromHtml(BGColor);
EnabledBorderColor = ColorTranslator.FromHtml(BGColor);
Refresh();
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
EnabledBGColor = Color.FromArgb(30, StringColor);
Refresh();
xx = e.X;
yy = e.Y;
Focus = true;
AnimationTimer.Start();
Invalidate();
}
protected override void OnMouseUp(MouseEventArgs e)
{
base.OnMouseUp(e);
Focus = false;
AnimationTimer.Start();
Invalidate();
}
protected override void OnTextChanged(System.EventArgs e)
{
base.OnTextChanged(e);
Invalidate();
}
protected override void OnSizeChanged(EventArgs e)
{
base.OnSizeChanged(e);
//StringRectangle = new Rectangle(3, 0, Width - 6, Height - 6);
}
#endregion
protected override void OnResize(System.EventArgs e)
{
base.OnResize(e);
//SizeIncNum = Width / 34;
SizeIncNum = Width / 10;
}
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
var G = e.Graphics;
#region Default rectangle
//G.SmoothingMode = SmoothingMode.HighQuality | SmoothingMode.AntiAlias;
//G.Clear(Parent.BackColor);
//StringColor = ColorTranslator.FromHtml(fontcolor);
//var BG = DrawHelper.CreateRoundRect(1, 1, Width - 3, Height - 3, 1);
//Region region = new Region(BG);
//G.FillPath(new SolidBrush(Enabled ? EnabledBGColor : Color.White), BG);
//G.DrawPath(new Pen(Enabled ? EnabledBorderColor : Color.White), BG);
//G.SetClip(region, CombineMode.Replace);
////The Ripple Effect
//G.FillEllipse(new SolidBrush(Color.FromArgb(30, StringColor)), xx - (SizeAnimation / 2), yy - (SizeAnimation / 2), SizeAnimation, SizeAnimation);
//G.DrawString(Text, font.Roboto_Medium10, new SolidBrush(Enabled ? StringColor : DisabledStringColor), R, SF);
#endregion
#region Circle
//G.SmoothingMode = SmoothingMode.AntiAlias;
//G.Clear(BackColor);
//GraphicsPath bgbtn = new GraphicsPath();
//bgbtn.AddEllipse(0, 0, Width - 5, Height - 5);
//GraphicsPath bgShadow = new GraphicsPath();
//bgShadow.AddEllipse(0, 0, Width - 2, Height - 2);
//G.FillPath(new SolidBrush(NonColor), bgShadow);
//G.DrawPath(new Pen(NonColor), bgShadow);
//G.FillPath(new SolidBrush(Color.DeepSkyBlue), bgbtn);
//G.DrawPath(new Pen(Color.DeepSkyBlue), bgbtn);
#endregion
///----------------------------
G.SmoothingMode = SmoothingMode.AntiAlias;
G.Clear(Parent.BackColor);
StringColor = ColorTranslator.FromHtml(fontcolor);
//var BG = DrawHelper.CreateRoundRect(1, 1, Width - 3, Height - 3, 1);
//Círculo principal
GraphicsPath bgbtn = new GraphicsPath();
bgbtn.AddEllipse(2, 0, Width - 6, Height - 6);
//Círculo para la sombra
GraphicsPath bgShadow = new GraphicsPath();
bgShadow.AddEllipse(2, 4, Width - 6, Height - 6);
// se dibuja la sombra
G.FillPath(new SolidBrush(NonColor), bgShadow);
G.DrawPath(new Pen(NonColor), bgShadow);
//sedibuja el círculo principal sobre la sombra
G.FillPath(new SolidBrush(Enabled ? ColorTranslator.FromHtml(BGColor) : DisabledBGColor), bgbtn);
G.DrawPath(new Pen(Enabled ? ColorTranslator.FromHtml(BGColor) : DisabledBGColor), bgbtn);
// Se da a la región forma de círculo/elipse
Region region = new Region(bgbtn);//BG);
G.SetClip(region, CombineMode.Replace);
//The Ripple Effect
if (Enabled)
G.FillEllipse(new SolidBrush(Color.FromArgb(30, EnabledBGColor)), xx - (SizeAnimation / 2), yy - (SizeAnimation / 2), SizeAnimation, SizeAnimation);
StringRectangle = new Rectangle((int)bgbtn.GetBounds().Location.X, (int)bgbtn.GetBounds().Location.Y,
(int)bgbtn.GetBounds().Size.Width, (int)bgbtn.GetBounds().Size.Height);
G.DrawString(Text, font.Roboto_Medium15, new SolidBrush(Enabled ? StringColor : DisabledStringColor), StringRectangle, SF);
if (bGImage != null)
{
float imgX = 0, imgY = 0;
imgY = (bgbtn.GetBounds().Size.Height - (int)bGimgSize) / 2;
imgX = ((bgbtn.GetBounds().Size.Width - (int)bGimgSize) + 2) / 2;
G.DrawImage(bGImage, imgX, imgY, (float)bGimgSize, (float)bGimgSize);
}
}
protected void AnimationTick(object sender, EventArgs e)
{
if (Focus)
{
if (SizeAnimation < Width + 250)
{
SizeAnimation += SizeIncNum;
this.Invalidate();
}
}
else
{
if (SizeAnimation > 0)
{
SizeAnimation = 0;
this.Invalidate();
}
}
}
public enum ImageSizeLevel
{
peque = 12, peque1 = 24, peque2 = 32,
maso = 48, maso1 = 56, maso2 = 64,
grande = 72, grande1 = 86, grande2 = 96,
monstruo = 128, monstruo1 = 256, monstruo2 = 512
}
}
使用系统;
使用System.Collections.Generic;
使用System.Linq;
使用系统文本;
使用System.Threading.Tasks;
使用系统组件模型;
使用系统图;
使用System.Drawing.Drawing2D;
使用System.Drawing.Text;
使用System.Windows.Forms;
使用LollipopUIControls.ui管理器;
命名空间Gamasis.Apps.Controls
{
公共类浮动按钮:按钮
{
公共浮动按钮()
{
设置样式((ControlStyles.AllPaintingInWmPaint | ControlStyles.OptimizedDubleBuffer | ControlStyles.ResizerDraw | ControlStyles.SupportsTransparentBackColor | ControlStyles.UserPaint),true);
双缓冲=真;
尺寸=新尺寸(50,50);
背景色=颜色。透明;
SF.Alignment=StringAlignment.Center;
SF.LineAlignment=StringAlignment.Center;
AnimationTimer.Tick+=新事件处理程序(AnimationTick);
}
#区域变量
计时器动画计时器=新计时器{Interval=1};
FontManager字体=新FontManager();
StringFormat SF=新的StringFormat();
矩形串矩形;
bool Focus=false;
int margintop=0,marginleft=0,marginright=0,marginBottom=0;
int xx;
int-yy;
float SizeAnimation=0;
浮点数;
字符串fontcolor=“#FAFAFA”;
字符串Backcolor=“#039BE5”;
颜色使能的颜色;
启用颜色的OrderColor;
颜色;
Color DISABLEDBGCLOR=ColorTranslator.FromHtml(“#B0BEC5”);
Color DisabledStringColor=ColorTranslator.FromHtml(“#fafafafa”);
Color NONCLOR=ColorTranslator.FromHtml(“#e3e5e7”);
图像bGImage=null;
#端区
#区域属性
[类别(“海关”)]
公共字符串颜色
{
获取{return Backcolor;}
设置
{
背景色=值;
使无效();
}
}
[类别(“海关”)]
公共字符串字体颜色
{
获取{return fontcolor;}
设置
{
fontcolor=值;
使无效();
}
}
[可浏览(错误)]
公共字体
{
获取{return base.Font;}
设置{base.Font=value;}
}
[可浏览(错误)]
公共颜色前景色
{
获取{return base.ForeColor;}
设置{base.ForeColor=value;}
}
[类别(“海关”)]
公众形象
{
获取{返回bGImage;}
设置{bGImage=value;}
}
ImageSizeLevel bGimgSize=ImageSizeLevel.peque2;
公共图像SizeLevel BGimgSize
{
获取{return bGimgSize;}
设置{bGimgSize=value;}
}
#端区
#地区活动
MouseCenter上受保护的覆盖无效(事件参数e)
{
base.onmouseinter(e);
EnabledBGColor=Color.FromArgb(30,ColorTranslator.FromHtml(BGColor));//StringColor);
EnabledBorderColor=Color.FromArgb(20,ColorTranslator.FromHtml(BGColor));//StringColor);
刷新();
}
MouseLeave上的受保护覆盖无效(事件参数e)
{
基地,离港(e);;
EnabledBGColor=ColorTranslator.FromHtml(BGColor);
EnabledBorderColor=ColorTranslator.FromHtml(BGColor);
刷新();
}
MouseEventArgs e上的受保护覆盖无效(MouseEventArgs e)
{
base.OnMouseDown(e);
EnabledBGColor=Color.FromArgb(30,StringColor);
刷新();
xx=e.X;
yy=e.Y;
焦点=真;
AnimationTimer.Start();
使无效();
}
MouseUp上的受保护覆盖无效(MouseEventArgs e)
{
base.OnMouseUp(e);
焦点=错误;
AnimationTimer.Start();
使无效();
}
受保护的覆盖void OnTextChanged(System.EventArgs e)
{
base.OnTextChanged(e);
使无效();
}
IzeChanged上的受保护覆盖无效(EventArgs e)
{
基地.OnSizeChanged(e);
//StringRectangle=新矩形(3,0,宽度-6,高度-6);
}
#端区
受保护的覆盖void OnResize(System.EventArgs e)
{
基数(e);
//SizeIncNum=宽度/34;
SizeIncNum=宽度/10;
private void Panel_MouseMove(object sender, MouseEventArgs e)
{
if (e.Button == System.Windows.Forms.MouseButtons.Left)
{
Panel.Left += e.X - PanelMouseDownLocation.X;
Panel.Top += e.Y - PanelMouseDownLocation.Y;
}
}
private void Panel_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left) PanelMouseDownLocation = e.Location;
}
public Point PanelMouseDownLocation { get; set; }