LEADTOOLS Raster Imaging C DLL Help > LEADTOOLS Raster Imaging Features > Windows > Window Messages > ImageList Control's > L_ILN_DBLCLCK |
Sent when the user double-clicks a mouse button in the ImageList Control's client area.
Parameter |
Description |
WParam |
idCtrl = (L_INT) LOWORD(wParam) identifier of control |
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wNotifyCode = HIWORD(wParam) notification code |
LParam |
pClick = (pLILCLICK) lParam pointer to click info structure |
Comments
Sent when the user double-clicks a mouse button in the ImageList Control's client area. pClick contains the mouse position of the click event.
The parent window of the control receives this notification message through the WM_COMMAND message.
See Also
Elements: |
L_ILN_SETFOCUS, L_ILN_KILLFOCUS, L_ILN_HSCROLL, L_ILN_VSCROLL, L_ILN_CLICKED, L_ILN_ITEMSEL, L_ILN_ITEMUNSEL, L_ILN_KEYDOWN |
Topics: |
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Example
this function processes all the messages for a window
static HWND hCtl; L_SIZE_T MainWndProc4(HWND hWnd, L_UINT Message, WPARAM wParam, LPARAM lParam) { WORD wNotifyCode; L_INT idCtl; HWND hWndCtrl; L_TCHAR buf[300]; pLILCLICK pClick; switch (Message) { case WM_SETFOCUS: if(hCtl) SetFocus(hCtl); break; case WM_COMMAND: wNotifyCode = HIWORD(wParam); // notification code idCtl = LOWORD(wParam); // item, control, or accelerator identifier hWndCtrl = (HWND) lParam; // handle of control switch(idCtl) { case IDC_LEADIMAGELIST: switch(wNotifyCode) { /* other code here */ case L_ILN_DBLCLCK: pClick = (pLILCLICK)lParam; wsprintf(buf, TEXT("x: %ld, y: %ld"), pClick->xPos, pClick->yPos); MessageBox(hWnd, buf, TEXT("Double-Clicked"), MB_OK); break; /* other code here */ } break; /* other code here */ } break; /* other code here */ } return DefWindowProc (hWnd, Message, wParam, lParam); }