DosQueryResourceSize - Parameters

hmod (HMODULE) - input

The handle of the module that has the required resource.

A value of zero means to get the size from the current process. A value other than zero is a module handle that was returned by DosLoadModule.

idt (ULONG) - input

The type identifier of the resource.

Possible values are between 1 and 0xFFFE inclusive. Values from 1 to 255 are reserved for predefinition. Values from 256 and on can be type defined for the resource. The fist 21 values are predefined as follows:

• RT_POINTER Mouse pointer shape

• RT_BITMAP
  Bit map

• RT_MENU
  Menu template

• RT_DIALOG
  Dialog template

• RT_STRING
  String tables

• RT_FONTDIR
  Font directory

• RT_FONT
  Font

• RT_ACCELTABLE
  Accelerator tables

• RT_RCDATA
  Binary data

  10

  RT_MESSAGE
  Error message tables
  11
  RT_DLGINCLUDE
  Dialog include file name
  12
  RT_VKEYTBL
  Key to vkey tables
  13
  RT_KEYTBL
  Key to UGL tables
  14
  RT_CHARTBL
  Glyph to character tables
  15
  RT_DISPLAYINFO
  Screen display information
  16
  RT_FKASHORT
  Function key area short form
  17
  RT_FKALONG
  Function key area long form
  18
  RT_HELPTABLE
  Help table for Help manager
  19
  RT_HELPSUBTABLE
  Help subtable for Help manager
  20
  RT_FDDIR
  DBCS unique/font driver directory
  21
  RT_FD
  DBCS unique/font driver

  idn (ULONG) - input

  The name identifier of the resource.

  Possible values are between 1 and 0xFFFE inclusive.

  pulsize (PULONG) - output

  A pointer to a ULONG in which the size, in bytes, of the resource is returned.

  ulrc (APIRET) - returns

  Return Code.

  DosQueryResourceSize returns one of the following values:

  • NO_ERROR 6
    ERROR_INVALID_HANDLE
    87
    ERROR_INVALID_PARAMETER
    For a full list of error codes, see Errors.

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