custom-controls

问题 I need custom info window with two clickable button as above.In it when more then marker and click any one of them then window should be open and when click on another marker another window should open and close previous window as well in single click. is there any specific reason why google map v2 not support live component like button ,check box? 回答1: What you are trying to achieve is possible. You can see the recipe in this answer: https://stackoverflow.com/a/15040761/2183804 And a working

问题 I am trying to convert a System.Windows.Shapes.Shape object into a System.Windows.Media.Geometry object. With the Geometry object, I am going to render it multiple times with a custom graph control depending on a set of data points. This requires that each instance of the Geometry object has a unique TranslateTransform object. Now, I am approaching the issue in two different ways, but neither seems to be working correctly. My custom control uses the following code in order to draw the

问题 Im trying to create a custom control that inherits NumericUpDown to show a settable unit. This is (visually) what I've got so far: My Code: Looks a bit long, but isnt doing that much class NumericUpDownUnit : NumericUpDown { public event EventHandler ValueChanged; /// <summary> /// Constructor creates a label /// </summary> public NumericUpDownUnit() { this.TextChanged += new EventHandler(TextChanged_Base); this.Maximum = 100000000000000000; this.DecimalPlaces = 5; this.Controls.Add(lblUnit);

问题 I am just coming up to speed on WPF and would like to create a reusable WPF control. When I look at the options for creating projects in Visual Studio, I see "WPF User Control Library" and "WPF Custom Control Library". It's unclear to me what the difference is between them and my Google searches have not turned up any decent explanations. I'd like to understand the differences between them and ideally see some examples of when to use one over the other. 回答1: In practice custom controls are

问题 I want to create a simple button template with an image and text inside it. But I want to keep the System button's look and feel. How do I create it, step by step? P.S.: I have already tried it with CustomControl in WPF and BasedOn property. 回答1: You can do this easily with a style and attached property: <ResourceDictionary xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:ap="clr-namespace:MyProject.Namespace.Path

问题 I am doing a news reader app and I want to make it so that the user can choose show/hide news categories (such as top news, business, technology, sports, etc) and reorder them like the BBC news app in Android. See the picture below: My question is: How do I make reorder control in left side of cell? (Its default position is in the right side of the cell in edit mode) I have a checkbox custom control. How do I put it in right side of the cell? 回答1: Answer [If you're not using any accessories

问题 There are three consecutive layers, picturebox1(.jpg) -> label1 -> picturebox2(.png transparent) what i want is to make the label1 and pictrurebox2 transparent to the picturebox1 so that label1 can be see through the picturebox2 but its not working.. public Form1() { InitializeComponent(); label1.Parent = pictureBox1; label1.BackColor = Color.Transparent; pictureBox2.Parent = pictureBox1; pictureBox2.BackColor = Color.Transparent; picturebox2.BringToFront(); } so please help me 回答1: If you

问题 I want to customize a ListField in BlackBerry which would be able to list an image and text in a row. How to accomplish this? 回答1: Try something like this: class TaskListField extends ListField implements ListFieldCallback { private Vector rows; private Bitmap p1; private Bitmap p2; private Bitmap p3; public TaskListField() { super(0, ListField.MULTI_SELECT); setRowHeight(80); setEmptyString("Hooray, no tasks here!", DrawStyle.HCENTER); setCallback(this); p1 = Bitmap.getBitmapResource("1.png"

问题 In visual studio when you create a custom control you get this ugly little purple gear thing for an icon of your control instead of a custom control . So how can I change the icon for my control? 回答1: Use the ToolboxBitmap attribute on the class. 回答2: Put your icon (for exemple "icon.bmp" 16x16 pixels) on the root folder of your custom control project Include this line just before your control class : [ToolboxBitmap(typeof(yourControl), "yourControl.bmp")] Here are further steps you need to

问题 when i use the following tree renderer class the the informtions in the tree gets chopped. Is there any solution to fix this bug. please help me. The PLTree class is as follows: import flash.events.Event; import mx.events.ScrollEvent; import mx.controls.Tree; import mx.core.ScrollPolicy; import mx.core.mx_internal; import mx.events.TreeEvent; public class PLTree extends Tree { private var _lastWidth:Number = 0; private var _lastHeight:Number = 0; public function PLTree() { super();