devmodew结构体（devmodew结构体）.docVIP

devmodew结构体（devmodew结构体） DEVMODE structure The DEVMODE structure has the following form: Typedef struct _devicemode {/ * * / dvmd TCHAR dmDeviceName[32]; WORD dmSpecVersion; WORD dmDriverVersion; WORD dmSize; WORD dmDriverExtra; DWORD dmFields; Short dmOrientation; Short dmPaperSize; Short dmPaperLength; Short dmPaperWidth; Short dmScale; Short dmCopies; Short dmDefaultSource; Short dmPrintQuality; Short dmColor; Short dmDuplex; Short dmYResolution; Short dmTTOption; Short dmCollate; TCHAR dmFormName[32]; WORD dmUnusedPadding; USHORT dmBitsPerPel; DWORD dmPelsWidth; DWORD dmPelsHeight; DWORD dmDisplayFlags; DWORD dmDisplayFrequency; } DEVMODE; The DEVMODE data structure contains information about device initialization and printer environment. Member: dmDeviceName specifies the device name supported by the driver; for example, for the PCL/HP LaserJet series, it will be a CL/HP laser printer. This string is different between device drivers. DmSpecVersion specifies the version number of the initialization data, which is based on the data. DmDriverVersion specifies the printer driver version number assigned by the printer driver developer. DmSize specifies the size of the DEVMODE structure, in bytes, and does not include members of the dmDriverData (device related). If the application operates only part of the data that is not part of the driver, it can use this member to determine the length of the structure without the need for a different version of the record. DmDriverExtra contains the number of private driver data behind this structure, in bytes. If the device driver does not use the devices unique information, the member is set to zero. DmFields specifies which of the remaining members of the DEVMODE structure have been initialized. Zeroth bit (defined as DM) ORIENTATION stands for dmOrientation, first bit (defined as DM_PAPERSIZE), stands for dmPaperSize, and so on. The printer driver appears to support only those members who are suitable for printing. DmOrienta