ADDBITMAPSDLGPARAMS

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typedef struct _ADDBITMAPSDLGPARAMS
{
    L_UINT uStructSize;
    pBITMAPHANDLE pBitmap;
    L_BOOL bZoomToFit;
    LPDLGBITMAPLIST pBitmapList;
    L_UINT uAddBitmapsFlags;
    L_UINT * puInListIndexes;
    L_INT32 nInCount;
    HBITMAPLIST hList;
    L_UINT32 uDlgFlags;
    LTCOMMDLGHELPCB pfnHelpCallback;
    L_VOID *pHelpCallBackUserData;
} ADDBITMAPSDLGPARAMS,* LPADDBITMAPSDLGPARAMS ;

The ADDBITMAPSDLGPARAMS structure provides information used to initialize the dialog box created by the L_DlgAddBitmaps 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	Pointer to the bitmap handle that references the bitmap used for preview or processing.
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)".
pBitmapList	Pointer to a DLGBITMAPLIST structure that contains the bitmaps to add or average. Setting this before calling the L_DlgAddBitmaps function will initialize the "Available List" in the dialog. The pszDescription member of the DLGBITMAPLIST structure will be used to fill the "Available List" field(s) and the pszFileName member of the DLGBITMAPLIST structure is ignored.
uAddBitmapsFlags	Flag that indicates the operation to perform. Possible values are:
	Value	Meaning
	BC_ADD	Add the bitmaps in the specified list.
	BC_AVE	Average the bitmaps in the specified list.

puInListIndexes	An array of indexes into the pBitmapList array of bitmaps. (The value in puInListIndexes[i] is the index into the pBitmapList array.) The bitmaps referenced by the indexes in this list will be included in the "Selected List" when the Add Bitmaps Dialog is first displayed. If you pass NULL "Selected List" will be empty.
nInCount	Number of items in the puInListIndexes array.
hList	Handle to the list of bitmaps which will contains all the bitmaps in the "Selected List" this member should be created throw L_CreateBitmapList before calling the dialog, and it is the user responsibility to destroy this list.
uDlgFlags	User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are:
	Value	Meaning
	DLG_ADDBITMAPS_AUTOPROCESS	[0x00000001] process the image on OK. The pBitmap member of this structure should contain a valid bitmap.
	DLG_ADDBITMAPS_SHOW_CONTEXTHELP	[0x00000002] dialog should contain a context sensitive help icon.
	DLG_ADDBITMAPS_SHOW_PREVIEW	[0x00000004] show a preview of the image in the dialog. The pBitmap member of this structure should contain a valid bitmap.
	DLG_ADDBITMAPS_SHOW_TOOL_ZOOMLEVEL	[0x00000008] show the "Zoom to fit" and "Zoom Normal" toolbar buttons. The DLG_ADDBITMAPS_SHOW_PREVIEW flag must be set in order to show these buttons.
pfnHelpCallback	Pointer to an optional help callback function. If you do not wish to provide help to this dialog, use NULL as the value of this parameter. To provide help to this dialog, use the function pointer as the value of this parameter. The callback function must adhere to the prototype described in LTCOMMDLGHELPCB.
pHelpCallBackUserData	Void pointer that you can use to pass one or more additional parameters that the callback function needs. To use this feature, assign a value to a variable or create a structure that contains as many fields as you need. Then, in this parameter, pass the address of the variable or structure, casting it to L_VOID *. The callback function, which receives the address in its own pHelpCallBackUserData parameter, can cast it to a pointer of the appropriate data type to access your variable or structure. If the additional parameters are not needed, you can pass NULL in this parameter.