panel

问题 I have just downloaded the WeifenLuo(Dock Panel Suite) and trying to work with that but I couldn't find a specific documentation on how to use it. And I have gone through some of the SO questions and finally got something to get started. Here is what I have done: I have created a ToolboxWindow class like shown below: Public Class ToolboxWindow Inherits WeifenLuo.WinFormsUI.Docking.DockContent Public Sub New() End Sub End Class And trying to create an instance of this toolbox in this way:

问题 I have built a semi-transparent custom layout panel in WPF by setting the Opacity value of the panel to 0.5. Everything works as expected, except that the children of the panel are also semi-transparent ! What do I need to change to have the children of the panel rendered without transparency? Here's the relevant code: public class DialogLayoutPanelControl : Panel { public DialogLayoutPanelControl() : base() { Background = Brushes.LightGray; Opacity = 0.5; } } Solution (by Anvaka): Background

问题 Guys, I have a C# Winforms application with a panel inside the form. What I want to do is, whenever the mouse pointer enters this panel, I want to slow the movement speed of the mouse by 50%. Once the pointer moves outside this panel, I want to speed of the mouse to resume normal 100% speed. How can I accomplish this in C#? 回答1: This article might help Here's the code from the article: using System; using System.Runtime.InteropServices; namespace MouseSpeedSwitcher { class Program { public

问题 I wrote a function to dynamically add elements to the "Panel". public int State; public Point Point = new Point(0, 0); public void DialogAdd(string message, string author) { var d = new DialogMessage(); if(State == 0) { d.BackColor = Color.FromArgb(255, 237, 241, 245); State = 1; } else { State = 0; } d.Controls["name"].Text = author; d.Location = new Point(0, Point.Y); d.Controls["msg"].Text = message; Point.Y += d.Size.Height; Controls["panel1"].Controls.Add(d); } DialogMessage is

问题 This question already has answers here : How to select the first and last row within a grouping variable in a data frame? (4 answers) Closed 10 months ago . I would like to subset an unbalanced panel data set by group. For each group, I would like to keep the two observations in the first and the last years. How do I best do this in R? For example: dt <- data.frame(name= rep(c("A", "B", "C"), c(3,2,3)), year=c(2001:2003,2000,2002,2000:2001,2003)) > dt name year 1 A 2001 2 A 2002 3 A 2003 4 B

问题 I have the following Panel in my jQuery mobile app , I want to make it to be drop down as appears in the following image rather than to be slide from the page edge . Is this can be done in jQuery mobile and How can i do this ? <div data-role="page" id="MainPage" > <div data-role="panel" id="Mainnavpanel" data-theme="b" data-display="overlay" data- position="right" data-position-fixed="true"> <ul data-role="listview"><li> <a href="#MainPageheader" data-rel="close" class="ui-btn" >Close</a></li

问题 I want to drag controls on panel and when dragging I want to move the control and get its location to drop on to panel. I have tried out mouseUp, mouseDown, MouseMove events of control.But that is not what I am looking for. I want to fire DragDrop event on panel and move control. Can I do this? If you can give me an idea it will be great. Below is part of my code. Please correct me. Thanks a lot. using System; using System.Collections.Generic; using System.ComponentModel; using System.Data;

问题 Hi i want to convert panel which contains components like label and buttons to image file. I have done the following code. The image was saved. but the content of the panel not visible or saved. Can anyone tell me how to save the panel with its components. Code: package PanelToImage; import java.awt.Color; import java.awt.image.BufferedImage; import java.io.File; import javax.imageio.ImageIO; import javax.swing.*; public class sample extends JPanel { public JPanel firstpanel; public JPanel

问题 What is the difference between <asp:Panel > and <asp:PlaceHolder > in ASP.NET? When should you use one over the other? 回答1: A panel expands to a span (or a div), with it's content within it. A placeholder is just that, a placeholder that's replaced by whatever you put in it. 回答2: The Placeholder does not render any tags for itself, so it is great for grouping content without the overhead of outer HTML tags. The Panel does have outer HTML tags but does have some cool extra properties.

问题 i can open a form or another forms when button is clicked in netbeans. such as the following code private void button1ActionPerformed(java.awt.event.ActionEvent evt) { frame1 fr = new frame1(); desktop.add(fr); fr.setVisible(true);} but i want to control that is current form is open or close? if current form is open then when i click same button not open current form again until its closed the same form. how can i make it? there is some methods like isclosed(), isDisplayable(), but i dont