UNDERLAYDLGPARAMS
typedef struct _UNDERLAYDLGPARAMS
{
L_UINT uStructSize;
pBITMAPHANDLE pBitmap;
L_BOOL bZoomToFit;
L_UINT32 uUnderlayFlags;
L_INT nUnderlayBitmapIndex;
LPDLGBITMAPLIST pBitmapList;
L_UINT32 uDlgFlags;
LTCOMMDLGHELPCB pfnHelpCallback;
L_VOID *pHelpCallBackUserData;
} UNDERLAYDLGPARAMS, * LPUNDERLAYDLGPARAMS;
The UNDERLAYDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogImageEffect::DoModalUnderlay function. After the user closes the dialog box, this structure is updated with information about the user's selections.
Member |
Description |
|
uStructSize |
Size of this structure, in bytes. Use the sizeof operator to calculate this value. |
|
pBitmap |
Ignored. |
|
bZoomToFit |
Flag that indicates the initial zoom level for previewing the image. Possible values are: |
|
|
Value |
Meaning |
|
TRUE |
Set the initial zoom level to "Zoom to fit". |
|
FALSE |
Set the initial zoom level to "Normal (1:1)". |
uUnderlayFlags |
Flags that indicate how the underlying image is to be positioned. Possible values are: |
|
|
Value |
Meaning |
|
UB_TILE |
[0x00] Tile the underlay image. This repeats the underlying image, so that it fills the target image. |
|
UB_STRETCH |
[0x01] Stretch the underlay image to fit the dimensions of the target image. |
nUnderlayBitmapIndex |
Index of the selected tile bitmap to use for underlay. This index points to an entry in pBitmapList member. |
|
pBitmapList |
Pointer to a DLGBITMAPLIST structure that references the images in the image picker. Set this to initialize the image picker in the dialog. |
|
uDlgFlags |
User interface flags for this dialog, which determines the layout and action of the dialog. Possible values are: |
|
|
Value |
Meaning |
|
DLG_UNDERLAY_SHOW_CONTEXTHELP |
[0x0002] dialog should contain a context sensitive help icon. |
pfnHelpCallback |
Ignored. |
|
pHelpCallBackUserData |
Ignored. |