#include "ltwrappr.h"
HWND LImageViewer::GetWindowHandle (uFlags);
L_UINT uFlags; |
reserved for future use |
Returns a handle to the specified container window.
Parameter |
Description |
uFlags |
Reserved for future use. Pass 0. |
> 0 |
Handle to the container window. |
NULL |
An error occurred. To get extended error information, call GetLastError, and refer to Return Codes. |
This function gets a handle to the container's window.
Required DLLs and Libraries
LTIVW For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Functions: |
LImageViewer::Destroy, LImageViewer::SetProperties, LImageViewer::GetProperties, Class Members |
Topics: |
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Window Control/Image Viewer Functions: Using the Image Viewer |
This function returns the bounding rect that specifies the absolute position of the cell.
L_INT LImageViewer_GetWindowHandleExample(LImageViewer& ImageViewer, L_INT nCellIndex, RECT * lpRect){L_INT nRet = 0;RECT rcRect1, rcRect2 ;POINT pt ;CWnd wndContainer, wndCell ;// Check whether the cell index is valid or not.L_INT nCount = ImageViewer.GetCellCount(0);if (nCellIndex < 0 || nCellIndex >= nCount){MessageBox(NULL, TEXT("cell index is not valid!"), NULL, MB_OK) ;return nRet;}// Get the cell's bounding rectangle,//the coordinates are relative to the upper left corner of the container window.nRet = ImageViewer.GetCellBounds(nCellIndex, &rcRect1, 0);if(nRet != SUCCESS)return nRet;pt.x = rcRect1.left;pt.y = rcRect1.top;// Get the container window handle.nRet = wndContainer.Attach(ImageViewer.GetWindowHandle(0));wndContainer.ClientToScreen(&pt);// Get the window handle of the cellnRet = wndCell.Attach(ImageViewer.GetCellWindowHandle(nCellIndex, 0));// Get the client rect for the cell.wndCell.GetClientRect(&rcRect2);OffsetRect(&rcRect2, pt.x, pt.y);CopyRect(lpRect, &rcRect2);wndContainer.Detach() ;wndCell.Detach() ;return SUCCESS;}