| #define MSG_LBUTTONDBLCLK 0x0003 |
Left mouse button double clicked message.
This message is posted to the window when the user double clicks the left button of the mouse in the client area of the window.
MSG_LBUTTONDBLCLK DWORD key_flags = (DWORD)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| key_flags | The shift key status when this message occurred. | |
| x_pos,y_pos | The position of the mouse in client coordinates. |
| #define MSG_LBUTTONDOWN 0x0001 |
Left mouse button down message.
This message is posted to the window when the user presses down the left button of the mouse in the client area of the window.
MSG_LBUTTONDOWN DWORD key_flags = (DWORD)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| key_flags | The shift key status when this message occurred. | |
| x_pos,y_pos | The position of the mouse in client coordinates. |
Example:
/* * This example trys to handle the event when the user presses * left button and right button of the mouse at the same time. */ int MyWinProc (HWND hWnd, int message, WPARAM wParam, LPARAM lParam) { switch (message) { case MSG_LBUTTONDOWN: if (wParam & KS_RIGHTBUTTON) { // Left button and right button both are pressed. break; } break; case MSG_RBUTTONDOWN: if (wParam & KS_LEFTBUTTON) { // Left button and right button both are pressed. break; } break; case MSG_MOUSEMOVE: if (wParam & KS_CTRL) { // User moves the mouse as the <Ctrl> key is down. break; } break; ... } return DefaultMainWinProc (hWnd, message, wParam, lParam); }
| #define MSG_LBUTTONUP 0x0002 |
Left mouse button up message.
This message is posted to the window when the user releases up the left button of the mouse in the client area of the window.
MSG_LBUTTONUP DWORD key_flags = (DWORD)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| key_flags | The shift key status when this message occurred. | |
| x_pos,y_pos | The position of the mouse in client coordinates. |
| #define MSG_MOUSEMOVE 0x0004 |
The mouse moved message.
This message is posted to the window when the user moves the mouse in the client area of the window.
MSG_MOUSEMOVE DWORD key_flags = (DWORD)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| key_flags | The shift key status when this message occurred. | |
| x_pos,y_pos | The position of the mouse in client coordinates. |
| #define MSG_NCLBUTTONDBLCLK 0x000A |
Left mouse button double clicked in the non-client area.
This message is posted to the window when the user double clicks the left button of the mouse in the non-client area of the window.
MSG_NCLBUTTONDBLCLK int hit_code = (int)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| hit_code | The hit test code which tells the area of the mouse. | |
| x_pos,y_pos | The position of the mouse in window coordinates. |
| #define MSG_NCLBUTTONDOWN 0x0008 |
Left mouse button down message in the non-client area.
This message is posted to the window when the user presses down the left button of the mouse in the non-client area of the window.
MSG_NCLBUTTONDOWN int hit_code = (int)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| hit_code | The hit test code which tells the area of the mouse. | |
| x_pos,y_pos | The position of the mouse in window coordinates. |
| #define MSG_NCLBUTTONUP 0x0009 |
Left mouse button up message in the non-client area.
This message is posted to the window when the user releases up the left button of the mouse in the non-client area of the window.
MSG_NCLBUTTONUP int hit_code = (int)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| hit_code | The hit test code which tells the area of the mouse. | |
| x_pos,y_pos | The position of the mouse in window coordinates. |
| #define MSG_NCMOUSEMOVE 0x000B |
Mouse moves in the non-client area.
This message is posted to the window when the user moves the mouse in the non-client area of the window.
MSG_NCMOUSEMOVE int hit_code = (int)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| hit_code | The hit test code which tells the area of the mouse. | |
| x_pos,y_pos | The position of the mouse in window coordinates. |
| #define MSG_NCRBUTTONDBLCLK 0x000E |
Right mouse button double clicked in the non-client area.
This message is posted to the window when the user double clicks the right button of the mouse in the non-client area of the window.
MSG_NCRBUTTONDBLCLK int hit_code = (int)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| hit_code | The hit test code which tells the area of the mouse. | |
| x_pos,y_pos | The position of the mouse in window coordinates. |
| #define MSG_NCRBUTTONDOWN 0x000C |
Right mouse button down message in the non-client area.
This message is posted to the window when the user presses down the right button of the mouse in the non-client area of the window.
MSG_NCRBUTTONDOWN int hit_code = (int)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| hit_code | The hit test code which tells the area of the mouse. | |
| x_pos,y_pos | The position of the mouse in window coordinates. |
| #define MSG_NCRBUTTONUP 0x000D |
Right mouse button up message in the non-client area.
This message is posted to the window when the user releases up the right button of the mouse in the non-client area of the window.
MSG_NCRBUTTONUP int hit_code = (int)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| hit_code | The hit test code which tells the area of the mouse. | |
| x_pos,y_pos | The position of the mouse in window coordinates. |
| #define MSG_RBUTTONDBLCLK 0x0007 |
Right mouse button double clicked message.
This message is posted to the window when the user double clicks the right button of the mouse in the client area of the window.
MSG_RBUTTONDBLCLK DWORD key_flags = (DWORD)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| key_flags | The shift key status when this message occurred. | |
| x_pos,y_pos | The position of the mouse in client coordinates. |
| #define MSG_RBUTTONDOWN 0x0005 |
Right mouse button down message.
This message is posted to the window when the user presses down the right button of the mouse in the client area of the window.
MSG_RBUTTONDOWN DWORD key_flags = (DWORD)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| key_flags | The shift key status when this message occurred. | |
| x_pos,y_pos | The position of the mouse in client coordinates. |
Example:
/* * This example trys to handle the event when the user presses * left button and right button of the mouse at the same time. */ int MyWinProc (HWND hWnd, int message, WPARAM wParam, LPARAM lParam) { switch (message) { case MSG_LBUTTONDOWN: if (wParam & KS_RIGHTBUTTON) { // Left button and right button both are pressed. break; } break; case MSG_RBUTTONDOWN: if (wParam & KS_LEFTBUTTON) { // Left button and right button both are pressed. break; } break; case MSG_MOUSEMOVE: if (wParam & KS_CTRL) { // User moves the mouse as the <Ctrl> key is down. break; } break; ... } return DefaultMainWinProc (hWnd, message, wParam, lParam); }
| #define MSG_RBUTTONUP 0x0006 |
Right mouse button up message.
This message is posted to the window when the user releases up the right button of the mouse in the client area of the window.
MSG_RBUTTONUP DWORD key_flags = (DWORD)wParam; int x_pos = LOSWORD (lParam); int y_pos = HISWORD (lParam);
| key_flags | The shift key status when this message occurred. | |
| x_pos,y_pos | The position of the mouse in client coordinates. |
1.6.3