LTCOMMDLGHELPCB
#include "l_bitmap.h"
L_VOID pEXT_CALLBACK YourFunction(uFlag, nCtlID, pUserData)
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L_UINT32 uFlag; |
/* flag indicating origin of help command message */ |
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L_INT nCtlID; |
/* ID of the control */ |
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/* pointer to additional parameters */ |
The callback function that will be called to provide the appropriate help information, based on the dialog from which help was requested.
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Parameter |
Description |
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uFlag |
Identifies the origin of the help command message. Possible values are: |
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Constant |
Meaning |
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DLG_HELP_OPEN |
[1] Help command message coming from L_DlgOpen. |
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DLG_HELP_SAVE |
[2] Help command message coming from L_DlgSave |
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DLG_HELP_COLORRES |
[3] Help command message coming from L_DlgColorRes |
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DLG_HELP_RESIZE |
[4] Help command message coming from L_DlgResize |
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DLG_HELP_INTENSITYDETECT |
[5] Help command message coming from L_DlgIntensityDetect |
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DLG_HELP_GAMMAADJUSTMENT |
[6] Help command message coming from L_DlgGammaAdjustment |
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DLG_HELP_ADDNOISE |
[7] Help command message coming from L_DlgAddNoise |
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DLG_HELP_GETEFFECT |
[8] Help command message coming from L_DlgGetEffect |
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DLG_HELP_GETSHAPE |
[9] Help command message coming from L_DlgGetShape |
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DLG_HELP_GETTEXT |
[10] Help command message coming from L_DlgGetText |
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DLG_HELP_GETGRADIENT |
[11] Help command message coming from L_DlgGetGradient |
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DLG_HELP_GETTRANSITION |
[12] Help command message coming from L_DlgGetTransition |
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DLG_HELP_GETDIRECTORY |
[13] Help command message coming from L_DlgGetDirectory |
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DLG_HELP_CONTOURFILTER |
[14] Help command message coming from L_DlgContourFilter |
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DLG_HELP_HALFTONE |
[15] Help command message coming from L_DlgHalftone |
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DLG_HELP_J2KOPTIONS |
[16] Help command message coming from L_DlgSave and L_DlgFileConversion |
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DLG_HELP_FILEINFO |
[17] Help command message coming from L_DlgOpen and L_DlgFileConversion |
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DLG_HELP_SOLARIZE |
[18] Help command message coming from L_DlgSolarize |
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DLG_HELP_BRIGHTNESS |
[19] Help command message coming from L_DlgBrightness |
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DLG_HELP_CONTRAST |
[20] Help command message coming from L_DlgContrast |
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DLG_HELP_HUE |
[21] Help command message coming from L_DlgHue |
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DLG_HELP_SATURATION |
[22] Help command message coming from L_DlgSaturation |
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DLG_HELP_POSTERIZE |
[24] Help command message coming from L_DlgPosterize |
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DLG_HELP_HISTOCONTRAST |
[25] Help command message coming from L_DlgHistoContrast |
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DLG_HELP_AVERAGE |
[26] Help command message coming from L_DlgAverage |
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DLG_HELP_MEDIAN |
[27] Help command message coming from L_DlgMedian |
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DLG_HELP_MAXFILTER |
[28] Help command message coming from L_DlgMaxFilter |
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DLG_HELP_MINFILTER |
[29] Help command message coming from L_DlgMinFilter |
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DLG_HELP_SHARPEN |
[30] Help command message coming from L_DlgSharpen |
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DLG_HELP_SHIFTDIFFERENCEFILTER |
[31] Help command message coming from L_DlgShiftDifferenceFilter |
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DLG_HELP_EMBOSS |
[32] Help command message coming from L_DlgEmboss |
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DLG_HELP_OILIFY |
[33] Help command message coming from L_DlgOilify |
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DLG_HELP_MOSAIC |
[34] Help command message coming from L_DlgMosaic |
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DLG_HELP_EROSIONFILTER |
[35] Help command message coming from L_DlgErosionFilter |
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DLG_HELP_DILATIONFILTER |
[36] Help command message coming from L_DlgDilationFilter |
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DLG_HELP_GRADIENTFILTER |
[37] Help command message coming from L_DlgGradientFilter |
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DLG_HELP_LAPLACIANFILTER |
[38] Help command message coming from L_DlgLaplacianFilter |
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DLG_HELP_SOBELFILTER |
[39] Help command message coming from L_DlgSobelFilter |
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DLG_HELP_PREWITTFILTER |
[40] Help command message coming from L_DlgPrewittFilter |
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DLG_HELP_LINESEGMENTFILTER |
[41] Help command message coming from L_DlgLineSegmentFilter |
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DLG_HELP_ROTATE |
[42] Help command message coming from L_DlgRotate |
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DLG_HELP_SHEAR |
[43] Help command message coming from L_DlgShear |
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DLG_HELP_LOADOPTIONS_VECTOR |
[44] Help command message coming from L_DlgOpen |
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DLG_HELP_LOADOPTIONS_RASTER |
[45] Help command message coming from L_DlgOpen |
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DLG_HELP_LOADOPTIONS_PDF |
[46] Help command message coming from L_DlgOpen |
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DLG_HELP_LOADOPTIONS_GENERAL |
[47] Help command message coming from L_DlgOpen |
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DLG_HELP_SMOOTH |
[48] Help command message coming from L_DlgSmooth |
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DLG_HELP_LINEREMOVE |
[49] Help command message coming from L_DlgLineRemove |
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DLG_HELP_BORDERREMOVE |
[50] Help command message coming from L_DlgBorderRemove |
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DLG_HELP_INVERTEDTEXT |
[51] Help command message coming from L_DlgInvertedText |
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DLG_HELP_DOTREMOVE |
[52] Help command message coming from L_DlgDotRemove |
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DLG_HELP_HOLEPUNCHREMOVE |
[53] Help command message coming from L_DlgHolePunchRemove |
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DLG_HELP_COLOR |
[54] Help command message coming from L_DlgColor |
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DLG_HELP_CANVASRESIZE |
[55] Help command message coming from L_DlgCanvasResize |
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DLG_HELP_ADDFRAME |
[56] Help command message coming from L_DlgAddFrame |
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DLG_HELP_FILESASSOCIATION |
[57] Help command message coming from L_DlgFilesAssociation |
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DLG_HELP_GIFWEBTUNER |
[58] Help command message coming from L_DlgGIFWebTuner |
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DLG_HELP_ADDBORDER |
[59] Help command message coming from L_DlgAddBorder |
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DLG_HELP_HTMLMAPPER |
[60] Help command message coming from L_DlgHTMLMapper |
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DLG_HELP_JPEGWEBTUNER |
[62] Help command message coming from L_DlgJPEGWebTuner |
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DLG_HELP_PNGWEBTUNER |
[63] Help command message coming from L_DlgPNGWebTuner |
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DLG_HELP_CUSTOMIZEPALETTE |
[64] Help command message coming from L_DlgCustomizePalette |
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DLG_HELP_PICTURIZE |
[65] Help command message coming from L_DlgPicturize |
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DLG_HELP_UNDERLAY |
[66] Help command message coming from L_DlgUnderlay |
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DLG_HELP_AUTOTRIM |
[67] Help command message coming from L_DlgAutoTrim |
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DLG_HELP_GAUSSIANBLUR |
[68] Help command message coming from L_DlgGaussianBlur |
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DLG_HELP_UNSHARPMASK |
[69] Help command message coming from L_DlgUnsharpMask |
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DLG_HELP_ANTIALIAS |
[70] Help command message coming from L_DlgAntiAlias |
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DLG_HELP_EDGEDETECTOR |
[71] Help command message coming from L_DlgEdgeDetector |
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DLG_HELP_REMOVEREDEYE |
[72] Help command message coming from L_DlgRemoveRedeye |
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DLG_HELP_MOTIONBLUR |
[73] Help command message coming from L_DlgMotionBlur |
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DLG_HELP_GRAYSCALE |
[74] Help command message coming from L_DlgGrayScale |
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DLG_HELP_COLOREDGRAY |
[75] Help command message coming from L_DlgColoredGray |
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DLG_HELP_HISTOGRAM |
[76] Help command message coming from L_DlgHistogram |
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DLG_HELP_MULTIPLY |
[78] Help command message coming from L_DlgMultiply |
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DLG_HELP_LOCALHISTOEQUALIZE |
[79] Help command message coming from L_DlgLocalHistoEqualize |
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DLG_HELP_BALANCECOLORS |
[80] Help command message coming from L_DlgBalanceColors |
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DLG_HELP_ADDBITMAPS |
[81] Help command message coming from L_DlgAddBitmaps |
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DLG_HELP_PRINTPREVIEW |
[82] Help command message coming from L_DlgPrintStitchedImages |
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DLG_HELP_REMAPINTENSITY |
[83] Help command message coming from L_DlgRemapIntensity |
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DLG_HELP_REMAPHUE |
[84] Help command message coming from L_DlgRemapHue |
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DLG_HELP_FREEHANDWAVE |
[85] Help command message coming from L_DlgFreeHandWave |
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DLG_HELP_WIND |
[86] Help command message coming from L_DlgWind |
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DLG_HELP_IMPRESSIONIST |
[87] Help command message coming from L_DlgImpressionist |
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DLG_HELP_CYLINDRICAL |
[88] Help command message coming from L_DlgCylindrical |
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DLG_HELP_POLAR |
[89] Help command message coming from L_DlgPolar |
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DLG_HELP_PIXELATE |
[90] Help command message coming from L_DlgPixelate |
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DLG_HELP_STITCH |
[91] Help command message coming from L_DlgStitch |
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DLG_HELP_STITCH_TILE |
[92] Help command message coming from L_DlgStitch |
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DLG_HELP_STITCH_ATTRIBUTES |
[93] Help command message coming from L_DlgStitch |
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DLG_HELP_ZOOMWAVE |
[94] Help command message coming from L_DlgZoomWave |
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DLG_HELP_RADIALWAVE |
[95] Help command message coming from L_DlgRadialWave |
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DLG_HELP_RIPPLE |
[96] Help command message coming from L_DlgRipple |
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DLG_HELP_PUNCH |
[97] Help command message coming from L_DlgPunch |
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DLG_HELP_BENDING |
[98] Help command message coming from L_DlgBending |
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DLG_HELP_SPHERIZE |
[99] Help command message coming from L_DlgSpherize |
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DLG_HELP_SWIRL |
[100] Help command message coming from L_DlgSwirl |
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DLG_HELP_RADIALBLUR |
[101] Help command message coming from L_DlgRadialBlur |
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DLG_HELP_ZOOMBLUR |
[102] Help command message coming from L_DlgZoomBlur |
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DLG_HELP_WAVE |
[103] Help command message coming from L_DlgWave |
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DLG_HELP_WAVESHEAR |
[104] Help command message coming from L_DlgWaveShear |
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DLG_HELP_FILECONVERSION |
[105] Help command message coming from L_DlgFileConversion |
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DLG_HELP_FILESAVEOPTIONS |
[106] Help command message coming from L_DlgFileConversion and L_DlgSave |
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DLG_HELP_FILELOADOPTIONS |
[107] Help command message coming from L_DlgOpen |
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DLG_HELP_FILECONVERSION_LOGREPORT |
[108] Help command message coming from L_DlgFileConversion |
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DLG_HELP_PRINTPREVIEW_PREFERENCES |
[109] Help command message coming from L_DlgPrintStitchedImages |
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DLG_HELP_PRINTSTITCHEDIMAGES |
[110] Help command message coming from L_DlgPrintStitchedImages |
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DLG_HELP_PRINTSTITCHEDIMAGES_DELETEPAGES |
[111] Help command message coming from L_DlgPrintStitchedImages |
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DLG_HELP_PRINTSTITCHEDIMAGES_INSERTPAGES |
[112] Help command message coming from L_DlgPrintStitchedImages |
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DLG_HELP_PRINT |
[113] Help command message coming from L_DlgPrintStitchedImages |
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DLG_HELP_PAGESETUP |
[114] Help command message coming from L_DlgPrintStitchedImages |
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DLG_HELP_FILECONVERSION_PROGRESS |
[115] Help command message coming from L_DlgFileConversion |
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DLG_HELP_FILECONVERSION_ADDPROGRESS |
[116] Help command message coming from L_DlgFileConversion |
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DLG_HELP_NAMINGTEMPLATE |
[117] Help command message coming from L_DlgFileConversion |
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DLG_HELP_RENAME |
[118] Help command message coming from L_DlgFileConversion |
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DLG_HELP_FILECONVERSION_ROTATE |
[119] Help command message coming from L_DlgFileConversion |
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DLG_HELP_FILECONVERSION_RESIZE |
[120] Help command message coming from L_DlgFileConversion |
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DLG_HELP_WINDOWLEVEL |
[121] Help command message coming from L_DlgWindowLevel |
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DLG_HELP_JBIG2OPTIONS |
[122] Help command message coming from L_DlgSave and L_DlgFileConversion. |
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DLG_HELP_ICCPROFILE |
[123] Help command message coming from L_DlgICCProfile. |
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nCtlID |
ID of the control that received the context sensitive help click. A value of -1 refers to the Help Button itself. For a list of other possible values, refer to the DLGRESID.H file in the LEAD \ INCLUDE directory. |
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pUserData |
A void pointer that you can use to access a variable or structure containing data that your callback function needs. This gives you a way to receive data indirectly from the function that uses this callback function. (This is the same pointer that you pass in the pUserData parameter of the calling function.) |
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Keep in mind that this is a void pointer, which must be cast to the appropriate data type within your callback function. |
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Comments
This callback function is optional. It is necessary only if you wish to provide help information for individual dialogs. The exact nature of the help provided is up to you, but must be outlined in this callback function. In order to implement help for a dialog box, a pointer to this HelpCallback Function must be passed to the specific dialog function. By passing this pointer, a Help button is shown in the dialog.
Returns
None.
See Also
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Functions: |
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Topics: |
Example
For an example, refer to L_DlgSetFont.