button

问题 I have few controls on a form. I have to set the tabIndex in an order that is not natural to their order of creation on HTML. There is a button at the fag end and the tabIndex is not getting set (it's never focussed) only on this element. <button id="btnSave" tabindex = "86" title='click here'>Submit Here</button> What may be the reasons?? Appreciate your help. 回答1: Tabindex Best Practices Commonly, I would suggest that do not set Tabindex with any incremental values because for any fields

问题 I am using bootstrap 3 and I have the following html: <div class="col-sm-2" > <a id="new-board-btn" class="btn btn-success" >Create New Board</a> </div> On a small screen, the text "Create New Board" is too long to fit on the button. I would like the text to wrap on to another line and the height of the button to increase to fit the text. Any tips on how to do this? 回答1: In Bootstrap, the .btn class has a white-space: nowrap; property, making it so that the button text won't wrap. So, after

问题 I'm creating a quiz app where randomly generating tasks, but I don't know how to wait for user click in for loop. I tried to do this: final Integer min=1; final Integer max=100; for (int i = 0; i<5; i++){ button_check3.setVisibility(View.VISIBLE); button_next3.setVisibility(View.INVISIBLE); final int x = new Random().nextInt(max - min)+min; final int y = new Random().nextInt(max-x - min)+min; task3.setText(x + " + " + y + " ="); //set task final int zbroj = x+y; button_check3

问题 I created a button in c++ as follows: HWND btn = CreateWindow( "BUTTON", "OK", WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_DEFPUSHBUTTON, 10, 10, 100, 100, hWnd, NULL, (HINSTANCE)GetWindowLong(hWnd, GWL_HINSTANCE), NULL); The button is displayed in the main window (hWnd) but I don't know how or where to give it an event handler. Any help please? 回答1: There are three ways to detect the button being clicked. The preferred approach is to add a WM_COMMAND handler to the window procedure of the button

问题 I'm trying to create a Calculator using SwiftUI , I'm struggling right now on creating the Grid of buttons to fill the available space horizontally Right now I'm just trying to make the buttons fill a grid of 3 x 3 of equal height and width I was able to make them same height by using Spacer() according to this answer but same width is where I'm stuck right now: import SwiftUI struct ContentView : View { var body: some View { VStack(alignment: .center, spacing: 50) { HStack(alignment: .center

问题 I'm trying to create a Calculator using SwiftUI , I'm struggling right now on creating the Grid of buttons to fill the available space horizontally Right now I'm just trying to make the buttons fill a grid of 3 x 3 of equal height and width I was able to make them same height by using Spacer() according to this answer but same width is where I'm stuck right now: import SwiftUI struct ContentView : View { var body: some View { VStack(alignment: .center, spacing: 50) { HStack(alignment: .center

问题 How do you create a button with an image using Flutter? It seems like the simplest thing to do, but the image does not fill the parent widget completely. This is what I have: Container(child: ConstrainedBox( constraints: BoxConstraints.expand(), child: FlatButton(onPressed: null, child: Image.asset('path/the_image.png')))) I followed this post as guidance. My image looks like this: Notice the padding around the PNG image - it's not in the code. Where does it come from? The PNG itself does not

问题 How do you create a button with an image using Flutter? It seems like the simplest thing to do, but the image does not fill the parent widget completely. This is what I have: Container(child: ConstrainedBox( constraints: BoxConstraints.expand(), child: FlatButton(onPressed: null, child: Image.asset('path/the_image.png')))) I followed this post as guidance. My image looks like this: Notice the padding around the PNG image - it's not in the code. Where does it come from? The PNG itself does not

问题 How can I add an image to a button, rather than text? 回答1: Rather humorously, considering your tags, just use the ImageButton widget. 回答2: Simply use ImageButton View and set image for it:` <ImageButton android:id="@+id/searchImageButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_alignParentRight="true" android:src="@android:drawable/ic_menu_search" /> 回答3: As he stated, used the ImageButton widget. Copy your

问题 How can I add an image to a button, rather than text? 回答1: Rather humorously, considering your tags, just use the ImageButton widget. 回答2: Simply use ImageButton View and set image for it:` <ImageButton android:id="@+id/searchImageButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_alignParentRight="true" android:src="@android:drawable/ic_menu_search" /> 回答3: As he stated, used the ImageButton widget. Copy your