public event EventHandler? MouseHover; 事件类型 EventHandler 示例 下面的代码示例演示如何使用不同的鼠标事件在 上 Panel绘制鼠标的路径。 为发生的每个 MouseMove 和MouseDown 事件添加GraphicsPath一个线段。 若要更新图形,将Invalidate针对每个 MouseDown 和MouseUp 事件调用 Panel 方法。 此外,当事件发生时 MouseWhe...
public delegate void MouseEventHandler(object? sender, MouseEventArgs e);参数sender Object 事件源。e MouseEventArgs 包含事件数据的 MouseEventArgs。示例下面的代码示例演示如何使用不同的鼠标事件在 上 Panel绘制鼠标的路径。 为发生的每个 MouseMove 和MouseDown 事件添加GraphicsPath一个线段。 若要更新图形,请 ...
package { import flash.display.Sprite; public class MouseEventExample extends Sprite { private var size:uint = 100; private var bgColor:uint = 0xFFCC00; public function MouseEventExample() { var child:ChildSprite = new ChildSprite(); addChild(child); } } } import flash.display.Sprite...
The argument of this method is the mouse-down event that occurred in the non-key window, which the view object can examine to determine whether it wants to receive the mouse event and potentially become first responder. You want the default behavior of this method in, for example, a ...
The SelectionDemo example, draws a rectangle illustrating the user's current dragging. To draw the rectangle, the application must implement an event handler for three kinds of mouse events: mouse presses, mouse drags, and mouse releases. To be informed of all these events, the handler must im...
To get the state of all buttons and modifier keys, use InputEvent.getModifiersEx(). The button which has changed state is returned by getButton() For example, if the first mouse button is pressed, events are sent in the following order: ...
If the value isDragAction.Drop, the drop effect value is returned to the source, so that the source application can perform the appropriate operation on the source data; for example, cut the data if the operation was a move. If the value isDragAction.Cancel, theOnDragLeaveevent is r...
Some browsers no longer support the keypress event, and it is not fired for all keys (like Alt, Control, Shift, or Esc) in all browsers. It is recommended to use the keydown or keyup events instead. Advertisement Example of Using the Keyboard Events Mouse Events Mouse events, on the ...
Chapter 9. Mouse Events Mouse Events Let’s explore Director’s sometimes counter-intuitive handling of mouse-related events. (See Chapter 2, for details on Director’s overall event handling and script creation.) This … - Selection from Lingo in a Nut
Check Move mouse before sending mouse event to show the options of the Move Mouse action. A variable can be used for entering the coordinates. Set the coordinates relative to the entire screen, the active window, or the current mouse position. To enter the cursor's current position into the...