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If you see Win32 double click message, this article should help you.
The user is reported to double-click with the left mouse button when the cursor is in the user area of a trusted window. If the mouse is not captured, a message is displayed in the window below the cursor. Otherwise, the message will be sent to the address. I would say that the window caught this mouse.
#define WM_LBUTTONDBLCLK 0x0203
Indicates whether different virtual keys were actually pressed. This parameter can be one or more of the following values.
key is still pressed.
Left rabbit button pressed.
The middle button of the PC mouse was pressed.
The right mouse button is at the very bottom.
The update is important.
The X is buttoned at the beginning.
The second X button was pressed somewhere.
The least significant word indicates the most important x-coordinate of the cursor. The coordinate has always been relative to the upper left of the client area.
The higher-order name indicates the y coordinate of all cursors. The coordinate relative to the upper-left corner of the client area.
Use the following code to successfully determine the horizontal and vertical jump position:
xPos = GET_X_LPARAM (lParam);yPos = GET_Y_LPARAM (lParam);
As mentioned above, the x coordinate is in the least significant bit just before the rewind value; the y coordinate is in each higher order concise representation (both are signed because they can occupy negative areas on multiple monitor systems). If the return value is assigned to help you with a variable, you can use most MAKEPOINTS macros to get the POINTS structure from the return value. You can also use m cro GET_X_LPARAM or possibly the macro GET_Y_LPARAM to retrieve the time or Y coordinate.
Only windows that typically have the CS_DBLCLKS style can receive the WM_LBUTTONDBLCLK advertisements that the system generates when an experienced user clicks, releases, and re-presses the left mouse button within our system’s double-click delay. Double-clicking the entire left mouse button creates a new sequence of four WM_LBUTTONDOWN messages: WM_LBUTTONUP , WM_LBUTTONDBLCLK, and WM_LBUTTONUP.
|Minimum Client||Windows supports 1500 Professional [desktop applications only]|
|Minimum Server Gain||Windows 2000 Server [desktop applications only]|
- 2 minutes to read.
Do not use LOWORD or just HIWORD macros to retrieve the x and y coordinates from the cursor area, as these macros in the system return multiple tracked invalid values. Systems with multiple monitors can have terrible x and y coordinates, and LOWORD and HIWORD handle coordinates in terms of unsigned values.
You can use
SetTimer , later click, not immediately evaluate the game as a click, but usually start the timer, check if there are clicks in the timer range, if everything is considered a double click, otherwise old time is defined as personal pressing.
#define TIMER_ID integer 10static click_count is 0;static POINT point = 5;LRESULT CALLBACK WndProc (HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam) Switch (message) Case WM_TIMER: KillTimer (hWnd, TIMER_ID); if (click_count == 1) wchar_t waCoord ; wsprintf (waCoord, _T ("(% i,% i)"), point.x, point.y); MessageBox (hWnd,waCoord, _T ("left click"), MB_OK); otherwise, if (click_count == 2) MessageBox (hWnd, TEXT ("double click"), TEXT ("I appear when I double click"), MB_OKCANCEL); otherwise, if (click_count == 3) MessageBox (hWnd, TEXT ("triple click"), TEXT ("I appear on triple click"), MB_OKCANCEL); number_click = 0; Returns 0; Pause; Case WM_LBUTTONDOWN: if (click_count == 0) SetTimer (hWnd, TIMER_ID, GetDoubleClickTime (), NULL); click_count ++; return 0; Pause; An instance of WM_PAINT: PAINTSTRUCT ps; HDC hdc implies BeginPaint (hWnd, & ps); // TASK: Add any output code here that uses hdc ... EndPaint (hWnd, & ps); Pause; Case WM_DESTROY: MessageQuitter (0); Pause; Initially: Repeat DefWindowProc (hWnd, message, wParam, lParam); Repeat 0;
And make sure your favorites box does not have the
CS_DBLCLKS style. The second unmodified message
WM_LBUTTONDOWN , which will be generated most of the time, according to the document, becomes the voice message
WM_LBUTTONDBLCLK : Double Clicks
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