custom-controls | 易学教程

Custom vs User control

阅读更多关于 Custom vs User control

问题 I've been reading some explanations about the difference between User and Custom Controls, for example this: http://www.wpftutorial.net/CustomVsUserControl.html I want to create, for example, a simple composition of a datagrid with 2 comboboxes which are responsible to change the values from the datagrid's items. I want to create a specific control for this because I'm going to use it a lot of times. I would like to implement the logic behind and then in the xaml invocation I only have to

Display simple HTML in a native BlackBerry application

阅读更多关于 Display simple HTML in a native BlackBerry application

问题 I want to be able to display some simple chunks of HTML in my native BlackBerry app, NOT returned from a URL. This is similar to existing Stackoverflow questions (e.g. here and here), but I need help getting the actual BlackBerry sample code to run (or perhaps somebody to tell me why this is doomed to not work!). The BlackBerry website has some sample 'browser' code based on different API versions available: V4.5 API sample V5.0 API sample I've found the sample code that ships with the

How to make two transparent layer with c#?

阅读更多关于 How to make two transparent layer with c#?

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 If you need a control support transparency, you should override painting of the control and draw the control in this

How to customize a ListField in BlackBerry?

阅读更多关于 How to customize a ListField in BlackBerry?

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? Maksym Gontar screenshot http://img10.imageshack.us/img10/1410/listfield.jpg 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"); p2 = Bitmap

Blackberry User Interface Design - Customizable UI?

阅读更多关于 Blackberry User Interface Design - Customizable UI?

I am trying to design a Blackberry Application and I am wondering if there are any resources on how to create custom user interface elements, skin existing ones and what other possibilities are there? I have developed a few iPhone applications with custom UI and stuff, so not sure what BB world offers in terms of UI development. Any tips, suggestions or ideas would be great. Maksym Gontar There are no skins in Blackberry, two ways I know to achive skin effect are create own theme create custom controls Create BlackBerry Theme removed dead Imageshack link - BlackBerry Theme Builder What can you

Custom Fonts and Custom Textview on Android

阅读更多关于 Custom Fonts and Custom Textview on Android

问题 From an application I need to develop, I've received a specific font that has many files like FontName-Regular, FontName-Bold , FontName-it . I need to use it in all the textviews in the application. First I thought it was an easy task. Look over SO and found a very nice thread:here So first I did like: public static void overrideFonts(final Context context, final View v) { try { if (v instanceof ViewGroup) { ViewGroup vg = (ViewGroup) v; for (int i = 0; i < vg.getChildCount(); i++) { View

How to make a Scroll Listener for WebView in Android

阅读更多关于 How to make a Scroll Listener for WebView in Android

How to implement the Scroll Listener for WebView in Android i tried this but its not calling my Log.i on scrolling the webview. package com.example.webview.full.width; import android.content.Context; import android.util.AttributeSet; import android.util.Log; import android.webkit.WebView; import android.widget.AbsListView; import android.widget.AbsListView.OnScrollListener; public class scorllableWebview extends WebView implements OnScrollListener { Context ctx; AttributeSet atrs; public scorllableWebview(Context context) { super(context); ctx = context; } public scorllableWebview(Context

How to make an expandable/collapsable section widget in Qt

阅读更多关于 How to make an expandable/collapsable section widget in Qt

问题 I would like to create a custom widget in Qt with the following features: It is a container It may be populated with any Qt layout It may be inside any Qt layout A button allows to collapse/fold vertically the content, so only the button is visible, all the contained layout is invisible. The previous button allows to expand/unfold it again to the size of the layout content. The expanding/collapsing is based on sizes (not on show/hide) to allows animation. Usable in QDesigner To provide an

How can we do pagination in datagridview in winform

阅读更多关于 How can we do pagination in datagridview in winform

I want to show 10 records per page in a datagridview on a window form and user must click next button to show next 10 records. Is it there some property in DataGridview or do i need to create a custom control. What i need to do to achieve this. Rick Mohr Here's a simple working example, where a BindingNavigator GUI control uses a BindingSource object to identify page breaks, by setting its DataSource to a custom subclass of IListSource . (Thanks to this answer for the key idea.) When the user clicks the "next page" button, the BindingNavigator fires bindingSource1_CurrentChanged and your code

How do we create a bigger center UITabBar Item

阅读更多关于 How do we create a bigger center UITabBar Item

问题 I am wondering how do we create a bigger center UITabBar like the shot below? Its really beautiful!!!! 回答1: I recommend you taking a look at the following article. It explains how to customise a tab bar raising the main button. Code: UIButton* button = [UIButton buttonWithType:UIButtonTypeCustom]; button.frame = CGRectMake(0.0, 0.0, buttonImage.size.width, buttonImage.size.height); [button setBackgroundImage:buttonImage forState:UIControlStateNormal]; [button setBackgroundImage:highlightImage