C button to click on the event

bool boo = false;

private void button1_click(object sender, eventargs e)

if (boo)

boo = false;

Click the button 2 times before it pops up");

else{boo = true;

private void form1_formclosing(object sender, formclosingeventargs e)

dialogresult answer = "Do you want to save the current state? ", "Exit the program", ,if (answer ==

Method.

If you write two sentences in the event that pops up the dialog box, it's OK.

1. First of all, create a new form as the carrier of button.

2. Then on this form, drag a button from the toolbar.

3. Then select the button and press the silver button, right-click - you can select the attribute from the menu and click it.

4. After clicking, in the open attribute group, find the text attribute, fix the value of the text and modify it to OK.

5. At this time, the button on the interface and the display text will be changed to the content after the correction of the eggplant.

1. Open the VS software we installed and create a new WinForm windowing program. Of course, C can also be used to develop web-based software.

2. Drag a button from the common widget in the toolbox on the left to our new WinForm program interface, named 'Test'.

3. Double-click on the button twice to enter the ** writing page of the click event of this control.

4. When the button is selected, the property page of the control will appear on the right, find the lightning symbol, and select the function to be used is the same effect.

5. Enter the function we want to achieve in the **interface**, here is the pop-up when you click the mouse:"Congratulations, the test was successful! "。

The button name can be obtained from the sender object passed through the click event.

button)

1. First of all, create a new form as the carrier of button.

2. Then on this form, drag a button from the toolbar.

3. Then select the button, right-click - you can select the attribute from the menu and click it.

4. After clicking, in the open attribute group, find the text attribute, modify the value of text, and modify it to OK.

5. At this time, the button on the interface and the displayed text will be changed to the modified content.

The button does not have a doubleclick event.

eventhandler(button1_doubleclick);With this method, the double-click event is not triggered when double-clicked, but rather a double-click event.

It is recommended to use label, select an event (like lightning) in the property, and double-click and doubleclick. The image property can be changed to make it look like a button.

If you must use the button button, you can add a timer, which is named button1 and timer1. Double-click button1 and timer1 to add button1 click and timer1 tick, respectively. Set the interval of timer1 to 100 (i.e. seconds).

If the timer's enabled value is false when you click the button, start the timer, otherwise close the timer and double-click. ** Below:

private void button1_click(object sender, eventargs e)

If the current time is more than 1 second from the last recording time, the timer is closed and the click event is executed. ** Below:

private void timer1_tick(object sender, eventargs e)

else}}

Click on the event, left-click on the designer, and double-click the button. Double-click on an event to go to the Events tab and find mousedoubleclick, click on the event and it will be automatically generated.

The right-click properties are onclick() and ondoubleclick() event properties.

Double-click the form directly. Is it ready to sign up?