#Icefaces menuitem hoverover update#
You can also use the GET_X_LPARAM or GET_Y_LPARAM macro to extract the x- or y-coordinate. You use actionListener () when you want to return nothing but wish to update certain components on your page. If the return value is assigned to a variable, you can use the MAKEPOINTS macro to obtain a POINTS structure from the return value. Use the following code to obtain the horizontal and vertical position: xPos = GET_X_LPARAM(lParam) Īs noted above, the x-coordinate is in the low-order short of the return value the y-coordinate is in the high-order short (both represent signed values because they can take negative values on systems with multiple monitors). The application must call TrackMouseEvent again if it requires further tracking of mouse hover behavior. See the ICEfaces Showcase Live Demo of this component, complete with source code. a button.) The mouseover () function specifically binds to the mouseover event. Its very convenient for a UI element that has a hover and normal state (e.g. Hover tracking stops when WM_MOUSEHOVER is generated. MenuItem - ICEfaces - Community Wiki Added by Yip Ng, last edited by Arturo Zambrano on ( view change) Overview Since 3.1 MenuItem is used by various menu components to specify the menu items. The hover () function is more high level - its built to call functions to handle both a mouseenter event and a mouseleave event. If an application processes this message, it should return zero.
#Icefaces menuitem hoverover drivers#
The coordinate is relative to the upper-left corner of the client area. Unplug the mouse and plug it back in The system loads the drivers for USB devices when they are connected, so unplugging and plugging the device back in should cause the system to force the device. The high-order word specifies the y-coordinate of the cursor. The coordinate is relative to the upper-left corner of the client area.
The low-order word specifies the x-coordinate of the cursor. The menuItem component defines the menu items contained by a menuBar. This parameter can be one or more of the following values. Hover tracking stops when WMMOUSEHOVER is generated. Indicates whether various virtual keys are down. Posted to a window when the cursor hovers over the client area of the window for the period of time specified in a prior call to TrackMouseEvent.Ī window receives this message through its WindowProc function.
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