WM_LBUTTONDBLCLK

Important:
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This message is posted when the user double-taps the touch-screen while the stylus is pressed to the touch screen in the client area of a window. If the stylus is not captured, the message is posted to the window beneath the stylus position. Otherwise, the message is posted to the window that has captured the mouse.

WM_LBUTTONDBLCLK
fwKeys= 
wParam; 
xPos= 
LOWORD(
lParam); 
yPos= 
HIWORD(
lParam);

Parameters

fwKeys

Indicates whether various virtual keys are down. It is any combination of the following values:

Value	Description
MK_CONTROL	Set if the CTRL key is down.
MK_LBUTTON	Set if the left mouse button is down.
MK_MBUTTON	Set if the middle mouse button is down.
MK_RBUTTON	Set if the right mouse button is down.
MK_SHIFT	Set if the SHIFT key is down.

xPos

Value of the low-order word of lParam. Specifies the x-coordinate of the cursor. The coordinate is relative to the upper-left corner of the client area.

yPos

Value of the high-order word of lParam. Specifies the y-coordinate of the cursor. The coordinate is relative to the upper-left corner of the client area.

Return Values

An application should return zero if it processes this message.

Remarks

Only windows that have the CS_DBLCLKS style can receive WM_LBUTTONDBLCLK messages, which the system generates when the user presses, releases, and again presses the left mouse button within the system's double-click time limit. Double-clicking the left mouse button actually generates four messages: WM_LBUTTONDOWN, WM_LBUTTONUP, WM_LBUTTONDBLCLK, and WM_LBUTTONUP again.

An application can use the MAKEPOINTSmacro to convert the lParamparameter to a POINTSstructure.

Requirements

Runs on	Versions	Defined in	Include	Link to
Windows CE OS	1.0 and later	Winuser.h

Note This API is part of the complete Windows CE OS package as provided by Microsoft. The functionality of a particular platform is determined by the original equipment manufacturer (OEM) and some devices may not support this API.