LImageViewer::TagCallBack
#include "ltwrappr.h"
L_INT LImageViewer::TagCallBack (nCellIndex, hDC, lpRect);
L_INT nCellIndex; |
/* index of the cell that called the callback */ |
HDC hDC; |
/* memory DC for painting */ |
RECT * lpRect; |
/* pointer to a structure */ |
This callback function is called before the window control paints a cell that contains an owner draw tag. This function is available only in the Medical Imaging Suite toolkits.
Parameter |
Description |
nCellIndex |
Index of the cell, which has the owner draw tag. |
HDC |
Memory DC that is used to paint the cell. |
lpRect |
Pointer to a RECT structure that contains the area of the owner draw tag in the Memory DC. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
When the window control paints a cell that contains an "owner draw" tag, this callback function is called to allow the user to draw a custom tag. This callback function is only called however, if it has been set by calling LImageViewer::EnableTagCallBack.
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. |
See Also
Functions: |
LImageViewer::EnableTagCallBack, LImageViewer::EnableActionCallBack, LImageViewer::ActionCallBack, Class Members |
Topics: |
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Example
For an example, refer to LImageViewer::Create.