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typedef struct _AUTOTRIMDLGPARAMS{L_UINT uStructSize;pBITMAPHANDLE pBitmap;L_INT nThreshold;L_UINT32 uDlgFlags;LTCOMMDLGHELPCB pfnHelpCallback;L_VOID *pHelpCallBackUserData;} AUTOTRIMDLGPARAMS, * LPAUTOTRIMDLGPARAMS;
The AUTOTRIMDLGPARAMS structure provides information used to initialize the dialog box created by the LDialogImage::DoModalAutoTrim 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. | |
| nThreshold | Delta value for detecting blank space. Notice that the dialog dynamically calculates the range of threshold values that are applicable to your bitmap, once the dialog starts using the bitmap passed in the pBitmap parameter. If you don't provide a valid bitmap, or NULL is passed in the pBitmap parameter, the range of values is between 0 and 244. | |
| uDlgFlags | User interface flags for this dialog, which determine the layout and action of the dialog. Possible values are: | |
| Value | Meaning | |
| DLG_AUTOTRIM_SHOW_CONTEXTHELP | [0x00000002] dialog should contain a context sensitive help icon. | |
| DLG_AUTOTRIM_SHOW_APPLY | [0x00000080] Show the Apply button in the dialog. The dialog will not apply any effect unless the user presses the Apply button. | |
| pfnHelpCallback | Ignored. | |
| pHelpCallBackUserData | Ignored. | |
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